{"id":76225,"date":"2020-04-01T01:42:48","date_gmt":"2020-03-31T23:42:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/nastrojka-microsoft-windows-server-2016-2019-dlya-predostavleniya-dhcp-servisov-dlya-vxlan-dfa"},"modified":"2020-04-01T01:42:48","modified_gmt":"2020-03-31T23:42:48","slug":"nastrojka-microsoft-windows-server-2016-2019-dlya-predostavleniya-dhcp-servisov-dlya-vxlan-dfa","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/administrirovanie\/nastrojka-microsoft-windows-server-2016-2019-dlya-predostavleniya-dhcp-servisov-dlya-vxlan-dfa","title":{"rendered":"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Syftet med denna artikel \u00e4r att f\u00f6renkla installationen av DHCP-tj\u00e4nsten f\u00f6r VXLAN BGP EVPN och DFA-fabriken med hj\u00e4lp av Microsoft Windows Server 2016\/2019.<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/f9380c07801612786865f7756042df07.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nI den officiella dokumentationen konfigureras DHCP-tj\u00e4nsten baserad p\u00e5 Microsoft Windows Server 2012 f\u00f6r fabriken som ett SuperScope, som inneh\u00e5ller en Loopback-pool (denna pool har det unika att alla IP-adresser fr\u00e5n poolen exkluderas (excluded IP address = pool)) och IP-adressutdelningspooler f\u00f6r de verkliga n\u00e4tverken (h\u00e4r \u00e4r det unika att policyer st\u00e4lls in \u2013 d\u00e4r DHCP Relay Circuit ID filtreras och detta DHCP relay Circuit ID inneh\u00e5ller VNI f\u00f6r n\u00e4tverket, det vill s\u00e4ga f\u00f6r en annan pool kommer detta DHCP Relay Circuit ID att vara n\u00e5got annorlunda). <\/p>\n<pre><code class=\"plaintext\">F\u00f6r att konfigurera DHCP p\u00e5 Windows-server. \n\n1. Skapa en superomr\u00e5de. Inom superomr\u00e5det, skapa omr\u00e5de B, S1, S2, S3, \u2026, Sn f\u00f6r subnet B och subn\u00e4t f\u00f6r varje segment. \n2. I omr\u00e5de B, ange 'Exkluderingsomr\u00e5det' som det kompletta adressomr\u00e5det (s\u00e5 att det erbjudna adressomr\u00e5det inte f\u00e5r komma fr\u00e5n detta omr\u00e5de). \n3. F\u00f6r varje segmentomr\u00e5de Si, ange en policy som matchar p\u00e5 Agent Circuit ID med v\u00e4rde '0108000600XXXXXX', d\u00e4r '0108000600' \u00e4r ett fast v\u00e4rde f\u00f6r alla segment, de 6 siffrorna \"XXXXXX\" \u00e4r segmentets ID-v\u00e4rde i hexadecimalt. Se ocks\u00e5 till att kontrollera rutan f\u00f6r att l\u00e4gga till wildcard (*) . \n4. St\u00e4ll in policyadressomr\u00e5det p\u00e5 hela omr\u00e5det av omr\u00e5det.<\/code><\/pre>\n<p>\nDenna artikel inneh\u00e5ller svar p\u00e5 f\u00f6ljande fr\u00e5gor:<\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/494850\/#WhyVXLANDHCPRelayDoNotSupportWindows2008andEarley\">Varf\u00f6r st\u00f6ds inte Microsoft Windows Server 2000\/2003\/2008?<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/494850\/#WhyWindows2012DHCPSoHardToConfigure\">Varf\u00f6r \u00e4r installationen s\u00e5 komplicerad i Microsoft Windows Server 2012?<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/494850\/#howsimplifiedsetupwindows20162019\">Hur f\u00f6renklas installationen i Microsoft Windows Server 2016\/2019?<\/a><\/noindex><\/li>\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\n<b class=\"spoiler_title\">Inneh\u00e5ll<\/b><\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"#introduction\">Introduktion<\/a><\/noindex>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"#ConfigurationNexusDHCPRelay\">Hur konfigureras DHCP Relay p\u00e5 VXLAN BGP EVPN-fabriken?<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"#RFCDHCPRelayVXLAN\">RFC som anv\u00e4nds i DHCP Relay med VXLAN BGP EVPN-fabriken.<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"#CiscoDocumentationEvalution\">Evolutionen av Cisco-dokumentationen kring DHCP-installation p\u00e5 Microsoft Windows Server 2012.<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"#DHCPSuperScopeAndPolicy\">DHCP i Microsoft Windows Server.<\/a><\/noindex> (<noindex><a rel=\"nofollow\" href=\"#DHCPSuperScope\">superscope<\/a><\/noindex> &amp; <noindex><a rel=\"nofollow\" href=\"#DHCPPolicy\">policy<\/a><\/noindex>)<\/li>\n<\/ul>\n<\/li>\n<li><noindex><a rel=\"nofollow\" href=\"#Common\">Huvuddel<\/a><\/noindex>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"#WhyVXLANDHCPRelayDoNotSupportWindows2008andEarley\">Varf\u00f6r st\u00f6ds inte Microsoft Windows Server 2000\/2003\/2008?<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"#WhyWindows2012DHCPSoHardToConfigure\">Varf\u00f6r \u00e4r installationen s\u00e5 komplicerad i Microsoft Windows Server 2012?<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"#howsimplifiedsetupwindows20162019\">Hur f\u00f6renklas installationen i Microsoft Windows Server 2016\/2019?<\/a><\/noindex>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"#windows20162019dhcpexample\">Exempel<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"#windows20162019dhcpsetup\">Installation av DHCP-tj\u00e4nsten p\u00e5 Microsoft Windows Server 2019.<\/a><\/noindex><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li><noindex><a rel=\"nofollow\" href=\"#finale\">Slutsats<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"#listofsources\">K\u00e4llf\u00f6rteckning<\/a><\/noindex><\/li>\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"introduction\"><\/a><\/noindex><\/p>\n<h2>Introduktion<\/h2>\n<p>\nI denna del listas alla ursprungliga data kortfattat: Instruktioner f\u00f6r konfiguration av n\u00e4tverksutrustning, RFC som anv\u00e4nds i DHCP-paket i eVPN-fabriker, en \u00f6versikt \u00f6ver utvecklingen av DHCP-serverinst\u00e4llningar p\u00e5 Microsoft Windows Server 2012 i Cisco-dokumentationen. Dessutom kort information om Superscope och Policy i DHCP-tj\u00e4nsten p\u00e5 Microsoft Windows Server.<br \/>\n<noindex><a rel=\"nofollow\" name=\"ConfigurationNexusDHCPRelay\"><\/a><\/noindex><\/p>\n<h4>Hur konfigureras DHCP Relay p\u00e5 VXLAN BGP EVPN, DFA?<\/h4>\n<p>\nKonfiguration av DHCP Relay p\u00e5 VXLAN BGP EVPN-fabriken \u00e4r inte huvud\u00e4mnet f\u00f6r denna artikel, eftersom det \u00e4r ganska enkelt. Jag ger l\u00e4nkar till dokumentation och en sammanfattning av inst\u00e4llningarna p\u00e5 n\u00e4tverksutrustningen.<\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/nexus9000\/sw\/7-x\/vxlan\/configuration\/guide\/b_Cisco_Nexus_9000_Series_NX-OS_VXLAN_Configuration_Guide_7x\/b_Cisco_Nexus_9000_Series_NX-OS_VXLAN_Configuration_Guide_7x_appendix_0110.html\">Nexus 9000 VXLAN Configuration Guide 7.X <\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/nexus9000\/sw\/93x\/vxlan\/configuration\/guide\/b-cisco-nexus-9000-series-nx-os-vxlan-configuration-guide-93x\/b-cisco-nexus-9000-series-nx-os-vxlan-configuration-guide-93x_appendix_010111.html#id_103149\">Nexus 9000 VXLAN Configuration Guide 9.3<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/dfa\/configuration\/b-dfa-configuration\/segment-id-support-for-dhcp-relay.html\">DFA (Cisco Dynamic Fabric Automation)<\/a><\/noindex><\/li>\n<\/ul>\n<p>\n<b class=\"spoiler_title\">Exempel p\u00e5 konfiguration av DHCP Relay p\u00e5 Nexus 9000V v9.2(3)<\/b><\/p>\n<pre><code class=\"plaintext\">tj\u00e4nst dhcp\nip dhcp relay\nip dhcp relay information option\nip dhcp relay information option vpn\ninterface loopback10\n  vrf medlem VRF1\n  ip adress 10.120.0.1\/32 tag 1234567\ninterface Vlan12\n  no shutdown\n  vrf medlem VRF1\n  no ip redirects\n  ip adress 10.120.251.1\/24 tag 1234567\n  no ipv6 redirects\n  fabric forwarding mode anycast-gateway\n  ip dhcp relay adress 10.0.0.5\n  ip dhcp relay source-interface loopback10\n<\/code><\/pre>\n<p><noindex><a rel=\"nofollow\" name=\"RFCDHCPRelayVXLAN\"><\/a><\/noindex><\/p>\n<h4>RFC som implementeras i arbetet med DHCP Relay-tj\u00e4nsten i VXLAN BGP EVPN-fabriker<\/h4>\n<p><\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/nexus9000\/sw\/93x\/vxlan\/configuration\/guide\/b-cisco-nexus-9000-series-nx-os-vxlan-configuration-guide-93x\/b-cisco-nexus-9000-series-nx-os-vxlan-configuration-guide-93x_appendix_010111.html#id_103141\">Lista \u00f6ver RFC, f\u00f6r Nexus 9000 v9.3<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/nexus9000\/sw\/7-x\/vxlan\/configuration\/guide\/b_Cisco_Nexus_9000_Series_NX-OS_VXLAN_Configuration_Guide_7x\/b_Cisco_Nexus_9000_Series_NX-OS_VXLAN_Configuration_Guide_7x_appendix_0110.html#concept_wm1_f5k_4fb\">Lista \u00f6ver RFC, Nexus 9000 v7.x<\/a><\/noindex><\/li>\n<\/ul>\n<p>\n<b class=\"spoiler_title\">RFC#6607: Sub-option 151(0x97) \u2014 Virtuell subn\u00e4tval<\/b><\/p>\n<pre><code class=\"plaintext\">\u2022\tSub-option 151(0x97) - Virtuell subnetval (Definierad i RFC#6607)\nAnv\u00e4nds f\u00f6r att \u00f6verf\u00f6ra VRF-relaterad information till DHCP-servern i en MPLS-VPN och VXLAN EVPN multi-tenant milj\u00f6.<\/code><\/pre>\n<p>\nNamnet p\u00e5 VRF som klienten befinner sig i \u00f6verf\u00f6rs.<\/p>\n<p><b class=\"spoiler_title\">RFC#5107: Sub-option 11(0xb) \u2014 Server-ID-\u00f6verskrivning<\/b><\/p>\n<pre><code class=\"plaintext\">\u2022\tSub-option 11(0xb) - Server ID Override (Definierad i RFC#5107.)\nServeridentifieraren (server ID) override sub-option g\u00f6r att DHCP-rel\u00e4agenten kan specificera ett nytt v\u00e4rde f\u00f6r server ID-optionen, som s\u00e4tts in av DHCP-servern i svaret. Denna sub-option g\u00f6r att DHCP-rel\u00e4agenten kan agera som den verkliga DHCP-servern s\u00e5 att f\u00f6rnyelsef\u00f6rfr\u00e5gningar kommer till rel\u00e4agenten ist\u00e4llet f\u00f6r till DHCP-servern direkt. Server ID override sub-option inneh\u00e5ller den inkommande gr\u00e4nssnitts-IP-adressen, som \u00e4r IP-adressen p\u00e5 rel\u00e4agenten som \u00e4r tillg\u00e4nglig f\u00f6r klienten. Med denna information skickar DHCP-klienten alla f\u00f6rnyelse- och avbest\u00e4llningsf\u00f6rfr\u00e5gningspaket till rel\u00e4agenten. Rel\u00e4agenten l\u00e4gger till alla l\u00e4mpliga sub-options och vidarebefordrar sedan f\u00f6rnyelse- och avbest\u00e4llningsf\u00f6rfr\u00e5gningspaketen till den ursprungliga DHCP-servern. F\u00f6r denna funktion \u00e4r Cisco's propriet\u00e4ra implementation sub-option 152(0x98). Du kan anv\u00e4nda kommandot ip dhcp relay sub-option type cisco f\u00f6r att hantera funktionen.<\/code><\/pre>\n<p>\nAlternativet anv\u00e4nds f\u00f6r att klienten ska skicka en beg\u00e4ran om att f\u00f6rl\u00e4nga hyresavtalet f\u00f6r den IP-adress som anv\u00e4nds i detta alternativ. (I Cisco VXLAN BGP EVPN \u2013 detta \u00e4r Anycast-adressen f\u00f6r gatewayen som anv\u00e4nds som standard av klienten.)<\/p>\n<p><b class=\"spoiler_title\">RFC#3527: Sub-option 5(0x5) \u2014 L\u00e4nkval<\/b><\/p>\n<pre><code class=\"plaintext\">Sub-option 5(0x5) - L\u00e4nkval (Definierad i RFC#3527.)\n\nL\u00e4nkval sub-option tillhandah\u00e5ller en mekanism f\u00f6r att separera subnettet\/l\u00e4nken som DHCP-klienten befinner sig i fr\u00e5n gatewayadressen (giaddr), som kan anv\u00e4ndas f\u00f6r att kommunicera med rel\u00e4agenten av DHCP-servern. Rel\u00e4agenten kommer att s\u00e4tta sub-optionen till r\u00e4tt abonnent-subnet och DHCP-servern kommer att anv\u00e4nda det v\u00e4rdet f\u00f6r att tilldela en IP-adress ist\u00e4llet f\u00f6r giaddr-v\u00e4rdet. Rel\u00e4agenten kommer att s\u00e4tta giaddr till sin egen IP-adress s\u00e5 att DHCP-meddelanden kan vidarebefordras \u00f6ver n\u00e4tverket. F\u00f6r denna funktion \u00e4r Cisco's propriet\u00e4ra implementation sub-option 150(0x96). Du kan anv\u00e4nda kommandot ip dhcp relay sub-option type cisco f\u00f6r att hantera funktionen.<\/code><\/pre>\n<p>\nN\u00e4tverksadressen fr\u00e5n vilken klienten beh\u00f6ver en IP-adress.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"CiscoDocumentationEvalution\"><\/a><\/noindex><\/p>\n<h4>Evolutionen av Cisco-dokumentationen kring DHCP-installation p\u00e5 Microsoft Windows Server 2012.<br \/>\n<\/h4>\n<p>\nJag inkluderade detta avsnitt eftersom det finns en positiv trend fr\u00e5n leverant\u00f6ren:<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/nexus9000\/sw\/7-x\/vxlan\/configuration\/guide\/b_Cisco_Nexus_9000_Series_NX-OS_VXLAN_Configuration_Guide_7x\/b_Cisco_Nexus_9000_Series_NX-OS_VXLAN_Configuration_Guide_7x_appendix_0110.html\">Nexus 9000 VXLAN Konfigurationsguide 7.3<\/a><\/noindex> <\/p>\n<p>Dokumentationen inneh\u00e5ller endast konfigurationen av DHCP Relay p\u00e5 n\u00e4tverksutrustning.<\/p>\n<p>F\u00f6r att st\u00e4lla in DHCP p\u00e5 Windows Server 2012 anv\u00e4ndes en annan artikel:<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/support\/docs\/switches\/nexus-9000-series-switches\/200248-Configuring-Microsoft-Windows-Server-201.html\">Konfigurera Microsoft Windows Server 2012 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster i ett eVPN-scenario (VXLAN, Cisco One Fabric, etc)<\/a><\/noindex><\/p>\n<p>Denna artikel anger att f\u00f6r varje n\u00e4tverk\/VNI beh\u00f6vs en egen SuperScope-koppling och en egen upps\u00e4ttning Loopback-adresser:<\/p>\n<pre><code class=\"plaintext\">Om flera DHCP-scopes kr\u00e4vs f\u00f6r flera subn\u00e4t m\u00e5ste du skapa en LoopbackX per subnet\/vlan p\u00e5 alla LEAFS och skapa en superscope med ett loopbackX-omr\u00e5de och det faktiska klient-IP-subnetomr\u00e5det per vlan.<\/code><\/pre>\n<p>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/nexus9000\/sw\/93x\/vxlan\/configuration\/guide\/b-cisco-nexus-9000-series-nx-os-vxlan-configuration-guide-93x\/b-cisco-nexus-9000-series-nx-os-vxlan-configuration-guide-93x_appendix_010111.html#id_103149\">Nexus 9000 VXLAN Configuration Guide 9.3<\/a><\/noindex><\/p>\n<p>Vi har lagt till inst\u00e4llningar f\u00f6r Windows 2012 Server i dokumentationen f\u00f6r n\u00e4tverksutrustningskonfiguration. F\u00f6r alla anv\u00e4nda adresspooler beh\u00f6vs en SuperScope p\u00e5 datacentret och denna SuperScope \u00e4r gr\u00e4nsen f\u00f6r datacentret:<\/p>\n<pre><code class=\"plaintext\">Skapa Superscope f\u00f6r alla scopes som du vill anv\u00e4nda f\u00f6r Option 82-baserade policys.\nObs!\nSuperscope ska kombinera alla scopes och fungera som den administrativa gr\u00e4nsen.<\/code><\/pre>\n<p>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/dfa\/configuration\/b-dfa-configuration\/segment-id-support-for-dhcp-relay.html#concept_3347D39EEA1B44B1839904FBAA4708EE\">Cisco Dynamic Fabric Automation<\/a><\/noindex><\/p>\n<p>Mycket kort beskrivet om allt:<\/p>\n<pre><code class=\"plaintext\">L\u00e5t oss anta att switchen anv\u00e4nder adressen fr\u00e5n subnet B (det kan vara ryggradsn\u00e4tet, administrationsn\u00e4tet, eller n\u00e5got kundutsett n\u00e4tverk f\u00f6r detta syfte) f\u00f6r att kommunicera med Windows DHCP-server. I DFA har vi subn\u00e4t S1, S2, S3, \u2026, Sn f\u00f6r segment s1, s2, s3, \u2026, sn. \n\nF\u00f6r att konfigurera DHCP p\u00e5 Windows-server. \n\n1. Skapa en superomr\u00e5de. Inom superomr\u00e5det, skapa omr\u00e5de B, S1, S2, S3, \u2026, Sn f\u00f6r subnet B och subn\u00e4t f\u00f6r varje segment. \n2. I omr\u00e5de B, ange 'Exkluderingsomr\u00e5det' som det kompletta adressomr\u00e5det (s\u00e5 att det erbjudna adressomr\u00e5det inte f\u00e5r komma fr\u00e5n detta omr\u00e5de). \n3. F\u00f6r varje segmentomr\u00e5de Si, ange en policy som matchar p\u00e5 Agent Circuit ID med v\u00e4rde '0108000600XXXXXX', d\u00e4r '0108000600' \u00e4r ett fast v\u00e4rde f\u00f6r alla segment, de 6 siffrorna \"XXXXXX\" \u00e4r segmentets ID-v\u00e4rde i hexadecimalt. Se ocks\u00e5 till att kontrollera rutan f\u00f6r att l\u00e4gga till wildcard (*) . \n4. St\u00e4ll in policyadressomr\u00e5det p\u00e5 hela omr\u00e5det av omr\u00e5det.\n<\/code><\/pre>\n<p>\n<noindex><a rel=\"nofollow\" name=\"DHCPSuperScopeAndPolicy\"><\/a><\/noindex><\/p>\n<h4>DHCP i Microsoft Windows Server (superscope &amp; policy)<\/h4>\n<p>\n<noindex><a rel=\"nofollow\" name=\"DHCPSuperScope\"><\/a><\/noindex><\/p>\n<h4><noindex><a rel=\"nofollow\" href=\"https:\/\/docs.microsoft.com\/en-us\/openspecs\/windows_protocols\/ms-dhcpm\/4b3dafe4-70e5-4085-969e-4bb402d9c68b\">SuperScope<\/a><\/noindex><\/h4>\n<p><\/p>\n<pre><code class=\"plaintext\">Superscope \u00e4r en administrativ funktion p\u00e5 en DHCP-server som kan anv\u00e4ndas f\u00f6r att gruppera flera scopes som en enda administrativ enhet. Superscope g\u00f6r det m\u00f6jligt f\u00f6r en DHCP-server att tillhandah\u00e5lla leasingar fr\u00e5n mer \u00e4n en scope till klienter p\u00e5 ett enda fysiskt n\u00e4tverk. Scopes som l\u00e4ggs till en superscope kallas medlems-scopes.<\/code><\/pre>\n<p>\nVad \u00e4r SuperScope \u2013 det \u00e4r en funktion som g\u00f6r det m\u00f6jligt att kombinera flera IP-adresspooler till en administrativ enhet. F\u00f6r att annonsera IP-adresser fr\u00e5n flera pooler till anv\u00e4ndare i ett fysiskt n\u00e4tverk (i en VLAN). Om en beg\u00e4ran kommer till en adresspool inom en SuperScope, kan adressen utf\u00e4rdas till klienten fr\u00e5n en annan scope som ing\u00e5r i denna SuperScope.<br \/>\n<noindex><a rel=\"nofollow\" name=\"DHCPPolicy\"><\/a><\/noindex><\/p>\n<h4><noindex><a rel=\"nofollow\" href=\"https:\/\/docs.microsoft.com\/en-us\/previous-versions\/windows\/it-pro\/windows-server-2012-r2-and-2012\/dn425039(v%3Dws.11)\">Policy<\/a><\/noindex><\/h4>\n<p><\/p>\n<pre><code class=\"plaintext\">DHCP-serverrollen i Windows Server 2012 introducerar en ny funktion som l\u00e5ter dig skapa IPv4-policys som specificerar anpassade IP-adress- och alternativstilldelningar f\u00f6r DHCP-klienter baserat p\u00e5 en upps\u00e4ttning villkor.\n\nDen policybaserade tilldelningsfunktionen (PBA) g\u00f6r det m\u00f6jligt att gruppera DHCP-klienter efter specifika egenskaper baserat p\u00e5 f\u00e4lt i DHCP-klientens beg\u00e4rningspaket. PBA m\u00f6jligg\u00f6r m\u00e5linriktad administration och st\u00f6rre kontroll \u00f6ver de konfigurationsparametrar som \u00f6verf\u00f6rs till n\u00e4tverksenheter med DHCP.<\/code><\/pre>\n<p>\nPolicys \u2013 de till\u00e5ter att tilldela IP-adresser till anv\u00e4ndare baserat p\u00e5 anv\u00e4ndartyp eller parameter. Cisco-ingenj\u00f6rer anv\u00e4nder policies i Windows Server 2012 f\u00f6r filtrering baserat p\u00e5 VNI (Virtual Network Identifier). <br \/>\n<noindex><a rel=\"nofollow\" name=\"Common\"><\/a><\/noindex><\/p>\n<h2>Huvuddel<\/h2>\n<p>\nI det h\u00e4r avsnittet presenteras resultaten av forskningen om varf\u00f6r det inte st\u00f6ds, hur det fungerar (logik), vad som \u00e4r nytt och hur dessa nyheter kan hj\u00e4lpa oss.<br \/>\n<noindex><a rel=\"nofollow\" name=\"WhyVXLANDHCPRelayDoNotSupportWindows2008andEarley\"><\/a><\/noindex><\/p>\n<h4>Varf\u00f6r st\u00f6ds inte Microsoft Windows Server 2000\/2003\/2008?<\/h4>\n<p>\nMicrosoft Windows Server 2008 och \u00e4ldre versioner hanterar inte alternativ 82 (Option 82) och skickar tillbaka paketet utan alternativ 82.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/social.technet.microsoft.com\/Forums\/windowsserver\/en-US\/e093f0ea-9cee-4d65-85ce-20100038d9c7\/win2k8-r2-dhcp-problem-with-option82?forum=winserverNIS\">Win2k8 R2 DHCP-problem med Option82<\/a><\/noindex><\/p>\n<ol>\n<li>Beg\u00e4ran fr\u00e5n klienten skickas som Broadcast (DHCP Discover).<\/li>\n<li>Utrustningen (Nexus) skickar paketet till DHCP-servern (DHCP Discover + Option 82).<\/li>\n<li>DHCP-servern tar emot paketet, bearbetar det och skickar tillbaka, men utan alternativ 82. (DHCP Offer \u2013 utan option 82)<\/li>\n<li>Utrustningen (Nexus) tar emot paketet fr\u00e5n DHCP-servern. (DHCP Offer) Men skickar inte detta paket till slutkunden.<\/li>\n<\/ol>\n<p>\n<b class=\"spoiler_title\">Snifferdata \u2014 p\u00e5 Windows Server 2008 och p\u00e5 DHCP-klienten<\/b>Windows Server 2008 f\u00e5r beg\u00e4ran fr\u00e5n n\u00e4tverksutrustningen. (Option 82 finns i listan)<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/267332ca80f1f1a2522307d791074644.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nWindows Server 2008 skickar svar till n\u00e4tverksutrustningen. (Option 82 saknas i paketets optionslista)<br \/>\n<img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/dea552f68344f7c1c4e7904c67859e40.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nBeg\u00e4ran fr\u00e5n klienten \u2013 DHCP Discover finns och DHCP Offer saknas<br \/>\n<img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/611e7c61971d92813fad5e85541c1926.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nStatistik p\u00e5 n\u00e4tverksutrustningen:<\/p>\n<pre><code class=\"plaintext\">NEXUS-9000V-SW-1# show ip dhcp relay statistics \n----------------------------------------------------------------------\nMessage Type             Rx              Tx           Drops  \n----------------------------------------------------------------------\nDiscover                  8               8               0\nOffer                     8               8               0\nRequest(*)                0               0               0\nAck                       0               0               0\nRelease(*)                0               0               0\nDecline                   0               0               0\nInform(*)                 0               0               0\nNack                      0               0               0\n----------------------------------------------------------------------\nTotal                    16              16               0\n----------------------------------------------------------------------\n\nDHCP L3 FWD:\nTotal Packets Received                           :         0\nTotal Packets Forwarded                          :         0\nTotal Packets Dropped                            :         0\nNon DHCP:\nTotal Packets Received                           :         0\nTotal Packets Forwarded                          :         0\nTotal Packets Dropped                            :         0\nDROP:\nDHCP Relay not enabled                           :         0\nInvalid DHCP message type                        :         0\nInterface error                                  :         0\nTx failure towards server                        :         0\nTx failure towards client                        :         0\nUnknown output interface                         :         0\nUnknown vrf or interface for server              :         0\nMax hops exceeded                                :         0\nOption 82 validation failed                      :         0\nPacket Malformed                                 :         0\nRelay Trusted port not configured                :         0\nDHCP Request dropped on MCT                      :         0\n*  -  Dessa r\u00e4knare visar korrekt v\u00e4rde n\u00e4r switchen \ntar emot DHCP-beg\u00e4ran med destinations-IP som broadcast\nadress. Om beg\u00e4ran \u00e4r unicast kommer den att v\u00e4xlas HW\nNEXUS-9000V-SW-1#<\/code><\/pre>\n<p>\n<noindex><a rel=\"nofollow\" name=\"WhyWindows2012DHCPSoHardToConfigure\"><\/a><\/noindex><\/p>\n<h4>Varf\u00f6r \u00e4r installationen s\u00e5 komplicerad i Microsoft Windows Server 2012?<\/h4>\n<p>\nI Microsoft Windows Server 2012 st\u00f6ds \u00e4nnu inte RFC#3527 (Option 82 Sub-option 5(0x5) \u2014 Link Selection)<br \/>\nMen funktionen Policy har redan implementerats.<\/p>\n<p>S\u00e5 h\u00e4r fungerar det:<\/p>\n<ul>\n<li>I Microsoft Windows Server 2012 finns det en super-pool (SuperScope) som inneh\u00e5ller Loopback-adresser och pooler f\u00f6r verkliga n\u00e4tverk.<\/li>\n<li>Valet av pool f\u00f6r utdelning av IP-adresser hamnar i SuperScope eftersom svaret kom fr\u00e5n DHCP Relay med k\u00e4lladress Loopback, som ing\u00e5r i SuperScope.<\/li>\n<li>Genom att anv\u00e4nda Policy v\u00e4ljer f\u00f6rfr\u00e5gan fr\u00e5n Superscope den medlemsomf\u00e5ng vars VNI finns i Option 82 Suboption 1 Agent Circuit ID. (\"0108000600\" + 24 bitar VNI + 24 bitar av v\u00e4rden som jag inte k\u00e4nner till, men sniffaren visar v\u00e4rden 0 i detta f\u00e4lt.)<\/li>\n<\/ul>\n<p>\n<noindex><a rel=\"nofollow\" name=\"howsimplifiedsetupwindows20162019\"><\/a><\/noindex><\/p>\n<h4>Hur f\u00f6renklas installationen i Microsoft Windows Server 2016\/2019?<\/h4>\n<p>\nI Microsoft Windows Server 2016 implementerades funktionen RFC#3527. Det vill s\u00e4ga Windows Server 2016 kan k\u00e4nna igen r\u00e4tt n\u00e4tverk fr\u00e5n attributet Option 82 Sub-option 5(0x5) \u2014 Link Selection. <\/p>\n<p>Tre fr\u00e5gor uppst\u00e5r genast:<\/p>\n<ul>\n<li>Kan vi klara oss utan Superscope?<\/li>\n<li>Kan vi klara oss utan Policy och konvertering av VNI till hexadecimalt format?<\/li>\n<li>Kan vi klara oss utan Scope f\u00f6r Loopback-adresser DHCP Source?<\/li>\n<\/ul>\n<p>\n<b>Q.<\/b> Kan vi klara oss utan Superscope?<br \/>\n<b>A.<\/b> Ja, scope kan skapas direkt inom IPv4-adressomr\u00e5den.<br \/>\n<b>Q.<\/b> Kan vi klara oss utan Policy och konvertering av VNI till hexadecimalt format?<br \/>\n<b>A.<\/b> Ja, n\u00e4tverksvalet sker baserat p\u00e5 Option 82 Suboption 0x5.<br \/>\n<b>Q.<\/b> Kan vi klara oss utan Scope f\u00f6r Loopback-adresser DHCP Source?<br \/>\n<b>A.<\/b> Nej, vi kan inte. Eftersom Microsoft Windows Server 2016\/2019 har skydd mot illvilliga DHCP-f\u00f6rfr\u00e5gningar. Det vill s\u00e4ga alla f\u00f6rfr\u00e5gningar fr\u00e5n adresser som inte finns i DHCP-serverns pool anses vara illvilliga.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/docs.microsoft.com\/en-us\/windows-server\/networking\/technologies\/dhcp\/dhcp-subnet-options\">DHCP Subnet Selection Options<\/a><\/noindex><\/p>\n<pre><code class=\"plaintext\"> Obs\nAlla relay-agenternas IP-adresser (GIADDR) m\u00e5ste vara en del av ett aktivt DHCP-omr\u00e5de IP-adress-intervall. Alla GIADDR utanf\u00f6r DHCP-omr\u00e5dets IP-adressintervall betraktas som en illojal relay och Windows DHCP-servern kommer inte att bekr\u00e4fta DHCP-klientbeg\u00e4rningar fr\u00e5n dessa relayagenter.\n\nEtt speciellt omr\u00e5de kan skapas f\u00f6r att \"auktorisera\" relayagenter. Skapa ett omr\u00e5de med GIADDR (eller flera om GIADDR:erna \u00e4r sekventiella IP-adresser), exkludera GIADDR-adress(er) fr\u00e5n distributionen och aktivera sedan omr\u00e5det. Detta kommer att auktorisera relayagenter medan de f\u00f6rhindrar att GIADDR-adresserna tilldelas.<\/code><\/pre>\n<p>\nDet vill s\u00e4ga, f\u00f6r att konfigurera en DHCP-pool p\u00e5 Microsoft Windows Server 2016\/2019 f\u00f6r VXLAN BGP EVPN-fabriken beh\u00f6vs endast:<\/p>\n<ul>\n<li>Skapa en pool f\u00f6r k\u00e4lladresser fr\u00e5n Relay.<\/li>\n<li>Skapa en pool f\u00f6r klientn\u00e4tverk.<\/li>\n<\/ul>\n<p>\nVad som inte \u00e4r n\u00f6dv\u00e4ndigt (men kan konfigureras och det kommer att fungera, och inte st\u00f6ra funktionen):<\/p>\n<ul>\n<li>Skapa Policy.<\/li>\n<li>Skapa SuperScope.<\/li>\n<\/ul>\n<p>\n<noindex><a rel=\"nofollow\" name=\"windows20162019dhcpexample\"><\/a><\/noindex><b class=\"spoiler_title\">Exempel<\/b>Exempel p\u00e5 konfiguration av DHCP-server (det finns 2 verkliga DHCP-klienter \u2014 klienter kopplade till VXLAN-fabriken)<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/c3a49fb7581aa7e60b85765499fd0d49.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nExempel p\u00e5 konfiguration av en anpassad pool:<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/c4bf4f6457f6cab564a3b6c16c0e0ed6.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nExempel p\u00e5 konfiguration av en anpassad pool (policys valda \u2014 f\u00f6r att bevisa att policies inte anv\u00e4ndes f\u00f6r korrekt funktion av poolen):<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/58dde157b1aaf61d1810b33905fa41e0.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nExempel p\u00e5 konfiguration av en pool f\u00f6r k\u00e4lladresser fr\u00e5n DHCP Relay (adressintervallet f\u00f6r utdelning \u00f6verensst\u00e4mmer helt med undantaget fr\u00e5n adresspoolen):<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/ff17e07ac6e9b5531bbcadc202752d37.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<noindex><a rel=\"nofollow\" name=\"windows20162019dhcpsetup\"><\/a><\/noindex><b class=\"spoiler_title\">Installation av DHCP-tj\u00e4nsten p\u00e5 Microsoft Windows Server 2019.<\/b><\/p>\n<h4>Konfigurera pool f\u00f6r Loopback-adresser (k\u00e4lla) f\u00f6r DHCP Relay.<\/h4>\n<p>\nSkapa en ny pool (Scope) i IPv4-omr\u00e5det.<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/828cdb37e1ab759b35b73c5f7dd6ff54.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nGuiden f\u00f6r att skapa en pool. \"N\u00e4sta &gt;\"<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/6a95b404d2b8555fe4c2f7dc995d7136.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nKonfigurera poolens namn och beskrivning (Description).<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/4de21b9090e089c61014bda5a51a4b4d.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nAnge IP-adressintervall f\u00f6r Loopback och mask f\u00f6r poolen.<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/48ac2949da64e3c3af09bc4405907e58.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nL\u00e4gg till undantag. Undantagsintervallet m\u00e5ste matcha poolens intervall helt.<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/08e8e5cc77234f06e98eed868bee67ec.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nHyrestid. \"N\u00e4sta &gt;\"<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/0b664ecaec68d98562af26b8ca7b0e81.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nF\u00f6rfr\u00e5gan: Kommer du att konfigurera DHCP-alternativ nu (DNS, WINS, Gateway, Dom\u00e4n) eller g\u00f6r du det senare? Det snabbaste svaret \u00e4r nej, och sedan aktivera poolen manuellt. Annars kan du g\u00e5 till slutet utan att fylla i n\u00e5gon information och aktivera poolen vid slutet av guiden.<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/6e7e01ee34e365c448f41a3b20078920.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nVi bekr\u00e4ftar att alternativen inte \u00e4r inst\u00e4llda, poolen \u00e4r inte aktiverad. \"Avsluta\"<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/698fa93bf8a0fe0ade26fa10bdc6549f.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nAktivera poolen manuellt. \u2013 V\u00e4lj Scope och i kontextmenyn \u2013 v\u00e4lj \"Aktivera\". <\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/3db2846b071f7b1462263114bbad2081.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<h4>Skapa en pool f\u00f6r anv\u00e4ndare\/servrar.<\/h4>\n<p>\nSkapa en ny pool.<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/8458c23bf19e02fbec43c743f518d8c5.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nGuiden f\u00f6r att skapa en pool. \"N\u00e4sta &gt;\"<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/f8d1617a6562985240ec481c540a3e0d.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nKonfigurera poolens namn och beskrivning (Description).<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/3be102f86f31a219722dfb86c441c62c.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nAnge IP-adressintervall f\u00f6r Loopback och mask f\u00f6r poolen.<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/95961214f5cf35f1e25692e4e008eee7.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nL\u00e4gg till undantag. (Som standard beh\u00f6vs inga undantag) \"N\u00e4sta &gt;\"<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/8a84a14fa2f403e5341caf7b769f68a3.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nHyrestid. \"N\u00e4sta &gt;\"<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/36a3d8f03abe3c904a1603e7734d62e8.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nF\u00f6rfr\u00e5gan: Kommer du att konfigurera DHCP-alternativ nu (DNS, WINS, Gateway, Dom\u00e4n) eller g\u00f6r du det senare? Ja, vi konfigurerar nu.<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/822ecc9ef6376ead20b2a34069ef548d.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nKonfigurera standardgateway-adressen.<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/3878daaaab73e0af2d9dda3ad1cdc379.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nKonfigurera dom\u00e4nen och adresserna f\u00f6r DNS-servrar.<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/4a873e8dfda51d687ddff132e5a4d3cd.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nKonfigurera IP-adresser f\u00f6r WINS-servrar.<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/85abf769a1ecb995da55375c178470d3.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nAktivering av Scope.<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/4c1c52ee5e6aaa245f350c71e568fa28.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nPoolen \u00e4r konfigurerad. \"Avsluta\"<\/p>\n<p><img decoding=\"async\" alt=\"Konfigurera Microsoft Windows Server 2016\/2019 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster f\u00f6r VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/dce3cbed37e029d7de297f0b5c0cde40.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<noindex><a rel=\"nofollow\" name=\"finale\"><\/a><\/noindex><\/p>\n<h2>Slutsats<\/h2>\n<p>\nAtt anv\u00e4nda Windows Server 2016\/2019 minskar komplexiteten i att konfigurera DHCP-servern f\u00f6r VXLAN-fabriken (eller n\u00e5gon annan fabrik). (Ingen s\u00e4rskild \u00f6verf\u00f6ring av IT-specialister kr\u00e4vs: Network\/Agent Circuit ID f\u00f6r att skriva filtren.)<\/p>\n<p>Kommer konfigurationen f\u00f6r Windows Server 2012 att fungera p\u00e5 de nya servrarna 2016\/2019 \u2013 ja, det kommer att fungera.<\/p>\n<p>Detta dokument inneh\u00e5ller l\u00e4nkar till 2 versioner: 7.X och 9.3. Detta beror p\u00e5 att version 7.0(3)I7(7) \u00e4r Cisco f\u00f6reslagen version, medan version 9.3 \u00e4r den mest innovativa (inklusive st\u00f6d f\u00f6r Multicast via VXLAN Multisite).<br \/>\n<noindex><a rel=\"nofollow\" name=\"listofsources\"><\/a><\/noindex><\/p>\n<h2>K\u00e4llf\u00f6rteckning<\/h2>\n<p><\/p>\n<ol>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/nexus9000\/sw\/7-x\/vxlan\/configuration\/guide\/b_Cisco_Nexus_9000_Series_NX-OS_VXLAN_Configuration_Guide_7x\/b_Cisco_Nexus_9000_Series_NX-OS_VXLAN_Configuration_Guide_7x_appendix_0110.html\">Nexus 9000 VXLAN Konfigurationsguide 7.x<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/nexus9000\/sw\/93x\/vxlan\/configuration\/guide\/b-cisco-nexus-9000-series-nx-os-vxlan-configuration-guide-93x\/b-cisco-nexus-9000-series-nx-os-vxlan-configuration-guide-93x_appendix_010111.html#id_103149\">Nexus 9000 VXLAN Configuration Guide 9.3<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/dfa\/configuration\/b-dfa-configuration\/segment-id-support-for-dhcp-relay.html\">DFA (Cisco Dynamic Fabric Automation)<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/support\/docs\/switches\/nexus-9000-series-switches\/200248-Configuring-Microsoft-Windows-Server-201.html\">Konfigurera Microsoft Windows Server 2012 f\u00f6r att tillhandah\u00e5lla DHCP-tj\u00e4nster i ett eVPN-scenario (VXLAN, Cisco One Fabric, etc)<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/docs.microsoft.com\/en-us\/openspecs\/windows_protocols\/ms-dhcpm\/4b3dafe4-70e5-4085-969e-4bb402d9c68b\">3.4 DHCP Superscope<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/docs.microsoft.com\/en-us\/previous-versions\/windows\/it-pro\/windows-server-2012-r2-and-2012\/dn425039(v%3Dws.11)\">Introduktion till DHCP-policies<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/social.technet.microsoft.com\/Forums\/windowsserver\/en-US\/e093f0ea-9cee-4d65-85ce-20100038d9c7\/win2k8-r2-dhcp-problem-with-option82?forum=winserverNIS\">Win2k8 R2 DHCP-problem med Option82<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/docs.microsoft.com\/en-us\/windows-server\/networking\/technologies\/dhcp\/dhcp-subnet-options\">DHCP Subnet Selection Options<\/a><\/noindex><\/li>\n<\/ol>\n<p>K\u00e4lla: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/494850\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u044d\u0442\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0438 \u2013 \u0443\u043f\u0440\u043e\u0441\u0442\u0438\u0442\u044c \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0443 DHCP \u0441\u0435\u0440\u0432\u0438\u0441\u0430 \u0434\u043b\u044f \u0444\u0430\u0431\u0440\u0438\u043a\u0438 VXLAN BGP EVPN and DFA \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c Microsoft Windows Server 2016\/2019. \u0412 \u043e\u0444\u0438\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0439 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u0438 DHCP \u0441\u0435\u0440\u0432\u0438\u0441 \u043d\u0430 \u0431\u0430\u0437\u0435 Microsoft Windows Server 2012 \u0434\u043b\u044f \u0444\u0430\u0431\u0440\u0438\u043a\u0438 \u043d\u0430\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043a\u0430\u043a SuperScope, \u0441\u043e\u0434\u0435\u0440\u0436\u0430\u0449\u0438\u0439 \u043f\u0443\u043b Loopback (\u0432 \u0434\u0430\u043d\u043d\u043e\u043c \u043f\u0443\u043b\u0435 \u2013 \u0438\u0437\u044e\u043c\u0438\u043d\u043a\u0430 \u044d\u0442\u043e \u0438\u0441\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u0438\u0437 \u043f\u0443\u043b\u0430 \u0432\u0441\u0435\u0445 IP \u0430\u0434\u0440\u0435\u0441\u043e\u0432 \u043f\u0443\u043b\u0430 (excluded IP [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":76226,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-76225","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u044d\u0442\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0438 \u2013 \u0443\u043f\u0440\u043e\u0441\u0442\u0438\u0442\u044c \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0443 DHCP \u0441\u0435\u0440\u0432\u0438\u0441\u0430 \u0434\u043b\u044f \u0444\u0430\u0431\u0440\u0438\u043a\u0438 VXLAN BGP EVPN and DFA \u0441 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