αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)

αž‚αŸ„αž›αž”αŸ†αžŽαž„αž“αŸƒαž’αžαŸ’αžαž”αž‘αž“αŸαŸ‡αž‚αžΊαžŠαžΎαž˜αŸ’αž”αžΈαžŸαž˜αŸ’αžšαž½αž›αž€αžΆαžšαž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN BGP EVPN αž“αž·αž„αž€αŸ’αžšαžŽαžΆαžαŸ‹ DFA αžŠαŸ„αž™αž”αŸ’αžšαžΎ Microsoft Windows Server 2016/2019 αŸ”

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αž“αŸ…αž€αŸ’αž“αž»αž„αž―αž€αžŸαžΆαžšαž•αŸ’αž›αžΌαžœαž€αžΆαžš αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αž•αŸ’αž’αŸ‚αž€αž›αžΎ Microsoft Windows Server 2012 αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž€αŸ’αžšαžŽαžΆαžαŸ‹αžαŸ’αžšαžΌαžœαž”αžΆαž“αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’αž‡αžΆ SuperScope αžŠαŸ‚αž›αž˜αžΆαž“ Loopback pool (αž€αžΆαžšαž”αž“αŸ’αž›αž·αž…αž“αŸƒαž’αžΆαž„αž“αŸαŸ‡αž‚αžΊαž€αžΆαžšαžŠαž€αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“ IP αž‘αžΆαŸ†αž„αž’αžŸαŸ‹αž“αŸƒαž’αžΆαž„αž…αŸαž‰αž–αžΈαž’αžΆαž„ (αž˜αž·αž“αžšαžΆαž”αŸ‹αž”αž‰αŸ’αž…αžΌαž›αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“ IP = αž’αžΆαž„)) αž“αž·αž„αž’αžΆαž„αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž€αžΆαžšαž…αŸαž‰αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“ IP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž”αžŽαŸ’αžαžΆαž‰αž–αž·αž (αž“αŸαŸ‡αž‚αžΊαž‡αžΆαž…αŸ†αžŽαž»αž…αžŸαŸ†αžαžΆαž“αŸ‹ - αž‚αŸ„αž›αž€αžΆαžšαžŽαŸαžαŸ’αžšαžΌαžœαž”αžΆαž“αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ - αžŠαŸ‚αž›αž€αŸ’αž“αž»αž„αž“αŸ„αŸ‡ DHCP Relay Circuit ID αžαŸ’αžšαžΌαžœαž”αžΆαž“αžαŸ’αžšαž„ αž αžΎαž™αž›αŸαžαžŸαž˜αŸ’αž‚αžΆαž›αŸ‹αžŸαŸ€αž‚αŸ’αžœαžΈαž”αž‰αŸ’αž‡αžΌαž“αž DHCP αž“αŸαŸ‡αž˜αžΆαž“ VNI αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž”αžŽαŸ’αžαžΆαž‰ αž–αŸ„αž›αž‚αžΊ αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž’αžΆαž„αž•αŸ’αžŸαŸαž„αž‘αŸ€αž DHCP Relay αž“αŸαŸ‡ αž›αŸαžαžŸαž˜αŸ’αž‚αžΆαž›αŸ‹αžŸαŸ€αž‚αŸ’αžœαžΈαž“αžΉαž„αžαž»αžŸαž‚αŸ’αž“αžΆαž”αž“αŸ’αžαž·αž…) αŸ”

To configure DHCP on Windows server. 

1. Create a super scope. Within the super scope, create scope B, S1, S2, S3, …, Sn for the subnet B and the subnets for each segment. 
2. In scope B,  specify the 'Exclusion Range' to be the entire address range (so that the offered address range must not be from this scope). 
3. For every segment scope Si, specify a policy that matches on Agent Circuit ID with value of '0108000600XXXXXX', where '0108000600' is a fixed value for all segments, the 6 numbers "XXXXXX" is the segment ID value in hexadecimal. Also ensure to check the Append wildcard(*) check box. 
4. Set the policy address range to the entire range of the scope.

αž’αžαŸ’αžαž”αž‘αž“αŸαŸ‡αž˜αžΆαž“αž…αž˜αŸ’αž›αžΎαž™αž…αŸ†αž–αŸ„αŸ‡αžŸαŸ†αžŽαž½αžšαžαžΆαž„αž€αŸ’αžšαŸ„αž˜αŸ–


αž˜αžΆαžαž·αž€αžΆ

αžŸαŸαž…αž€αŸ’αžαžΈαžŽαŸ‚αž“αžΆαŸ†

αž•αŸ’αž“αŸ‚αž€αž“αŸαŸ‡αžšαžΆαž™αž”αž‰αŸ’αž‡αžΈαž‘αž·αž“αŸ’αž“αž“αŸαž™αžŠαŸ†αž”αžΌαž„αž‘αžΆαŸ†αž„αž’αžŸαŸ‹αžŠαŸ„αž™αžŸαž„αŸ’αžαŸαž”αŸ– αž€αžΆαžšαžŽαŸ‚αž“αžΆαŸ†αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’αž§αž”αž€αžšαžŽαŸαž”αžŽαŸ’αžαžΆαž‰ RFCs αžŠαŸ‚αž›αž”αŸ’αžšαžΎαž€αŸ’αž“αž»αž„αž€αž‰αŸ’αž…αž”αŸ‹ DHCP αž“αŸ…αž€αŸ’αž“αž»αž„αžšαŸ„αž„αž…αž€αŸ’αžš eVPN αž€αžΆαžšαžœαž·αžœαžαŸ’αžαž“αŸƒαž€αžΆαžšαž€αŸ†αžŽαžαŸ‹αž˜αŸ‰αžΆαžŸαŸŠαžΈαž“αž˜αŸ DHCP αž“αŸ…αž›αžΎ Microsoft Windows Server 2012 αž“αŸ…αž€αŸ’αž“αž»αž„αž―αž€αžŸαžΆαžš Cisco αžαŸ’αžšαžΌαžœαž”αžΆαž“αž•αŸ’αžαž›αŸ‹αž‡αžΌαž“αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž‡αžΆαž―αž€αžŸαžΆαžšαž™αŸ„αž„αŸ” αž€αŸαžŠαžΌαž…αž‡αžΆαž–αŸαžαŸŒαž˜αžΆαž“αžŸαž„αŸ’αžαŸαž”αž’αŸ†αž–αžΈ Superscope αž“αž·αž„αž‚αŸ„αž›αž€αžΆαžšαžŽαŸαž“αŸ…αž€αŸ’αž“αž»αž„αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αž“αŸ…αž›αžΎ Microsoft Windows Servers αŸ”

αžšαž”αŸ€αž”αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ DHCP Relay αž“αŸ…αž›αžΎ VXLAN BGP EVPN, DFA fabric

αž€αžΆαžšαž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ DHCP Relay αž“αŸ…αž›αžΎαž€αŸ’αžšαžŽαžΆαžαŸ‹ VXLAN BGP EVPN αž˜αž·αž“αž˜αŸ‚αž“αž‡αžΆαž”αŸ’αžšαž’αžΆαž“αž”αž‘αžŸαŸ†αžαžΆαž“αŸ‹αž“αŸƒαž’αžαŸ’αžαž”αž‘αž“αŸαŸ‡αž‘αŸαž–αŸ’αžšαŸ„αŸ‡αžœαžΆαžŸαžΆαž˜αž‰αŸ’αž‰αžŽαžΆαžŸαŸ‹αŸ” αžαŸ’αž‰αž»αŸ†αž•αŸ’αžαž›αŸ‹αžαŸ†αžŽαž—αŸ’αž‡αžΆαž”αŸ‹αž‘αŸ…αž―αž€αžŸαžΆαžš αž“αž·αž„ spoiler αž›αžΎαž€αžΆαžšαž€αŸ†αžŽαžαŸ‹αž“αŸ…αž›αžΎαž§αž”αž€αžšαžŽαŸαž”αžŽαŸ’αžαžΆαž‰αŸ”

αž§αž‘αžΆαž αžšαžŽαŸαž“αŸƒαž€αžΆαžšαžŠαŸ†αž‘αžΎαž„ DHCP Relay αž“αŸ…αž›αžΎ Nexus 9000V v9.2(3)

service dhcp
ip dhcp relay
ip dhcp relay information option
ip dhcp relay information option vpn
interface loopback10
  vrf member VRF1
  ip address 10.120.0.1/32 tag 1234567
interface Vlan12
  no shutdown
  vrf member VRF1
  no ip redirects
  ip address 10.120.251.1/24 tag 1234567
  no ipv6 redirects
  fabric forwarding mode anycast-gateway
  ip dhcp relay address 10.0.0.5
  ip dhcp relay source-interface loopback10

RFCs αžŠαŸ‚αž›αžαŸ’αžšαžΌαžœαž”αžΆαž“αž’αž“αž»αžœαžαŸ’αžαž“αŸ…αž€αŸ’αž“αž»αž„αž”αŸ’αžšαžαž·αž”αžαŸ’αžαž·αž€αžΆαžšαž“αŸƒαžŸαŸαžœαžΆαž€αž˜αŸ’αž˜αž”αž‰αŸ’αž‡αžΌαž“αž DHCP αž“αŸ…αž€αŸ’αž“αž»αž„αž€αŸ’αžšαžŽαžΆαžαŸ‹ VXLAN BGP EVPN

RFC#6607αŸ– αž‡αž˜αŸ’αžšαžΎαžŸαžšαž„ 151(0x97) - αž€αžΆαžšαž‡αŸ’αžšαžΎαžŸαžšαžΎαžŸαž”αžŽαŸ’αžαžΆαž‰αžšαž„αž“αž·αž˜αŸ’αž˜αž·αž

β€’	Sub-option 151(0x97) - Virtual Subnet Selection (Defined in RFC#6607)
Used to convey VRF related information to the DHCP server in an MPLS-VPN and VXLAN EVPN multi-tenant environment.

"αžˆαŸ’αž˜αŸ„αŸ‡" αž“αŸƒ VRF αžŠαŸ‚αž›αž’αžαž·αžαž·αž‡αž“αž˜αžΆαž“αž‘αžΈαžαžΆαŸ†αž„αž“αŸ…αžαŸ’αžšαžΌαžœαž”αžΆαž“αž”αž‰αŸ’αž‡αžΌαž“αŸ”

RFC#5107αŸ– αž‡αž˜αŸ’αžšαžΎαžŸαžšαž„ 11(0xb) - αž›αž»αž”αž›αŸαžαžŸαž˜αŸ’αž‚αžΆαž›αŸ‹αž˜αŸ‰αžΆαžŸαŸŠαžΈαž“αž˜αŸ

β€’	Sub-option 11(0xb) - Server ID Override (Defined in RFC#5107.) 
The server identifier (server ID) override sub-option allows the DHCP relay agent to specify a new value for the server ID option, which is inserted by the DHCP server in the reply packet. This sub-option allows the DHCP relay agent to act as the actual DHCP server such that the renew requests will come to the relay agent rather than the DHCP server directly. The server ID override sub-option contains the incoming interface IP address, which is the IP address on the relay agent that is accessible from the client. Using this information, the DHCP client sends all renew and release request packets to the relay agent. The relay agent adds all of the appropriate sub-options and then forwards the renew and release request packets to the original DHCP server. For this function, Cisco’s proprietary implementation is sub-option 152(0x98). You can use the ip dhcp relay sub-option type cisco command to manage the function.

αž‡αž˜αŸ’αžšαžΎαžŸβ€‹αžαŸ’αžšαžΌαžœβ€‹αž”αžΆαž“β€‹αž”αŸ’αžšαžΎβ€‹αžŠαžΎαž˜αŸ’αž”αžΈβ€‹αž’αžΆαž“αžΆβ€‹αžαžΆβ€‹αž’αžαž·αžαž·αž‡αž“β€‹αž•αŸ’αž‰αžΎβ€‹αžŸαŸ†αžŽαžΎβ€‹αžŠαžΎαž˜αŸ’αž”αžΈβ€‹αž”αž“αŸ’αžβ€‹αž€αžΆαžšβ€‹αž‡αž½αž›β€‹αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“β€‹αž‘αŸ…β€‹αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“ IP αžŠαŸ‚αž›β€‹αž”αžΆαž“β€‹αž”αŸ’αžšαžΎβ€‹αž€αŸ’αž“αž»αž„β€‹αž‡αž˜αŸ’αžšαžΎαžŸβ€‹αž“αŸαŸ‡αŸ” (αž“αŸ…αž›αžΎ Cisco VXLAN BGP, EVPN αž‚αžΊαž‡αžΆαž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“ Anycast αž›αŸ†αž“αžΆαŸ†αžŠαžΎαž˜αžšαž”αžŸαŸ‹αž’αžαž·αžαž·αž‡αž“αŸ” )

RFC#3527αŸ– αž‡αž˜αŸ’αžšαžΎαžŸαžšαž„ 5(0x5) - αž€αžΆαžšαž‡αŸ’αžšαžΎαžŸαžšαžΎαžŸαžαŸ†αžŽ

Sub-option 5(0x5) - Link Selection (Defined in RFC#3527.) 

The link selection sub-option provides a mechanism to separate the subnet/link on which the DHCP client resides from the gateway address (giaddr), which can be used to communicate with the relay agent by the DHCP server. The relay agent will set the sub-option to the correct subscriber subnet and the DHCP server will use that value to assign an IP address rather than the giaddr value. The relay agent will set the giaddr to its own IP address so that DHCP messages are able to be forwarded over the network. For this function, Cisco’s proprietary implementation is sub-option 150(0x96). You can use the ip dhcp relay sub-option type ciscocommand to manage the function.

αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“αž”αžŽαŸ’αžαžΆαž‰αžŠαŸ‚αž›αž’αžαž·αžαž·αž‡αž“αžαŸ’αžšαžΌαžœαž€αžΆαžšαž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“ IP αŸ”

αž€αžΆαžšαžœαž·αžœαžαŸ’αžαž“αŸαž“αŸƒαž―αž€αžŸαžΆαžš Cisco αž‘αžΆαž€αŸ‹αž‘αž„αž“αžΉαž„αž€αžΆαžšαž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ DHCP αž“αŸ…αž›αžΎ Microsoft Windows Server 2012

αžαŸ’αž‰αž»αŸ†αž”αžΆαž“αž”αž‰αŸ’αž…αžΌαž›αž•αŸ’αž“αŸ‚αž€αž“αŸαŸ‡ αžŠαŸ„αž™αžŸαžΆαžšαž˜αžΆαž“αž“αž·αž“αŸ’αž“αžΆαž€αžΆαžšαžœαž·αž‡αŸ’αž‡αž˜αžΆαž“αž…αŸ†αž–αŸ„αŸ‡αž•αŸ’αž“αŸ‚αž€αž“αŸƒαž’αŸ’αž“αž€αž›αž€αŸ‹αŸ–

αž€αžΆαžšαžŽαŸ‚αž“αžΆαŸ†αž’αŸ†αž–αžΈαž€αžΆαžšαž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Nexus 9000 VXLAN 7.3

αž―αž€αžŸαžΆαžšαž”αž„αŸ’αž αžΆαž‰αžαŸ‚αž–αžΈαžšαž”αŸ€αž”αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ DHCP Relay αž“αŸ…αž›αžΎαž§αž”αž€αžšαžŽαŸαž”αžŽαŸ’αžαžΆαž‰αž”αŸ‰αž»αžŽαŸ’αžŽαŸ„αŸ‡αŸ”

αž’αžαŸ’αžαž”αž‘αž˜αž½αž™αž‘αŸ€αžαžαŸ’αžšαžΌαžœαž”αžΆαž“αž”αŸ’αžšαžΎαžŠαžΎαž˜αŸ’αž”αžΈαž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ DHCP αž“αŸ…αž›αžΎ Windows Server 2012αŸ–

αž€αžΆαžšαž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2012 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αž“αŸ…αž€αŸ’αž“αž»αž„αžŸαŸαžŽαžΆαžšαžΈαž™αŸ‰αžΌ eVPN (VXLAN, Cisco One Fabric αŸ”αž›αŸ”)

αž’αžαŸ’αžαž”αž‘αž“αŸαŸ‡αž”αž„αŸ’αž αžΆαž‰αžαžΆαž”αžŽαŸ’αžαžΆαž‰αž“αžΈαž˜αž½αž™αŸ—/VNI αž‘αžΆαž˜αž‘αžΆαžšαž€αž‰αŸ’αž…αž”αŸ‹ SuperScope αž•αŸ’αž‘αžΆαž›αŸ‹αžαŸ’αž›αž½αž“ αž“αž·αž„αžŸαŸ†αžŽαž»αŸ†αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“ Loopback αž•αŸ’αž‘αžΆαž›αŸ‹αžαŸ’αž›αž½αž“αžšαž”αžŸαŸ‹αžœαžΆαŸ–

If multiple DHCP Scopes are required for multiple subnets, you need to create one LoopbackX per subnet/vlan on all LEAFS and create a superscope with a loopbackX range scope and actual client IP subnet scope per vlan.

αž€αžΆαžšαžŽαŸ‚αž“αžΆαŸ†αž’αŸ†αž–αžΈαž€αžΆαžšαž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Nexus 9000 VXLAN 9.3

αž”αžΆαž“αž”αž“αŸ’αžαŸ‚αž˜αž€αžΆαžšαž€αŸ†αžŽαžαŸ‹αž˜αŸ‰αžΆαžŸαŸŠαžΈαž“αž˜αŸ Windows 2012 αž‘αŸ…αž€αŸ’αž“αž»αž„αž―αž€αžŸαžΆαžšαžŸαž˜αŸ’αžšαžΆαž”αŸ‹αžŠαŸ†αž‘αžΎαž„αž§αž”αž€αžšαžŽαŸαž”αžŽαŸ’αžαžΆαž‰αŸ” αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž”αžŽαŸ’αžαž»αŸ†αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“αž‘αžΆαŸ†αž„αž’αžŸαŸ‹αžŠαŸ‚αž›αž”αžΆαž“αž”αŸ’αžšαžΎ αžαž˜αŸ’αžšαžΌαžœαž±αŸ’αž™αž˜αžΆαž“ SuperScope αž˜αž½αž™αž€αŸ’αž“αž»αž„αž˜αž½αž™αž˜αž‡αŸ’αžˆαž˜αžŽαŸ’αžŒαž›αž‘αž·αž“αŸ’αž“αž“αŸαž™ αž αžΎαž™ SuperScope αž“αŸαŸ‡αž‚αžΊαž‡αžΆαž–αŸ’αžšαŸ†αžŠαŸ‚αž“αž“αŸƒαž˜αž‡αŸ’αžˆαž˜αžŽαŸ’αžŒαž›αž‘αž·αž“αŸ’αž“αž“αŸαž™αŸ–

Create Superscope for all scopes you want to use for Option 82-based policies.
Note
The Superscope should combine all scopes and act as the administrative boundary.

αžŸαŸ’αžœαŸαž™αž”αŸ’αžšαžœαžαŸ’αžαž·αž€αž˜αŸ’αž˜αž€αŸ’αžšαžŽαžΆαžαŸ‹αžαžΆαž˜αžœαž“αŸ’αž Cisco

αž’αŸ’αžœαžΈαž‚αŸ’αžšαž”αŸ‹αž™αŸ‰αžΆαž„αžαŸ’αžšαžΌαžœαž”αžΆαž“αž–αž“αŸ’αž™αž›αŸ‹αž™αŸ‰αžΆαž„αžαŸ’αž›αžΈ:

Let us assume the switch is using the address from subnet B (it can be the backbone subnet, management subnet, or any customer designated subnet for this purpose) to communicate with the Windows DHCP server. In DFA we have subnets S1, S2, S3, …, Sn for segment s1, s2, s3, …, sn. 

To configure DHCP on Windows server. 

1. Create a super scope. Within the super scope, create scope B, S1, S2, S3, …, Sn for the subnet B and the subnets for each segment. 
2. In scope B,  specify the 'Exclusion Range' to be the entire address range (so that the offered address range must not be from this scope). 
3. For every segment scope Si, specify a policy that matches on Agent Circuit ID with value of '0108000600XXXXXX', where '0108000600' is a fixed value for all segments, the 6 numbers "XXXXXX" is the segment ID value in hexadecimal. Also ensure to check the Append wildcard(*) check box. 
4. Set the policy address range to the entire range of the scope.

DHCP αž“αŸ…αž€αŸ’αž“αž»αž„ Microsoft Windows Server (superscope & policy)

SuperScope

Superscope is an administrative feature of a DHCP server that can be used to group multiple scopes as a single administrative entity. Superscope allows a DHCP server to provide leases from more than one scope to clients on a single physical network. Scopes added to a superscope are called member scopes.

αžαžΎαž’αŸ’αžœαžΈαž‘αŸ…αž‡αžΆ SuperScope - αžœαžΆαž‚αžΊαž‡αžΆαž˜αž»αžαž„αžΆαžšαžŠαŸ‚αž›αž’αž“αž»αž‰αŸ’αž‰αžΆαžαž±αŸ’αž™αž’αŸ’αž“αž€αž”αž‰αŸ’αž…αžΌαž›αž‚αŸ’αž“αžΆαž“αžΌαžœαž”αžŽαŸ’αžαž»αŸ†αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“ IP αž‡αžΆαž…αŸ’αžšαžΎαž“αž…αžΌαž›αž‘αŸ…αž€αŸ’αž“αž»αž„αž’αž„αŸ’αž‚αž—αžΆαž–αžšαžŠαŸ’αž‹αž”αžΆαž›αž˜αž½αž™αŸ” αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžŸαžΆαž™αž–αžΆαžŽαž·αž‡αŸ’αž‡αž€αž˜αŸ’αž˜αž‘αŸ…αž€αžΆαž“αŸ‹αž’αŸ’αž“αž€αž”αŸ’αžšαžΎαž”αŸ’αžšαžΆαžŸαŸ‹αž“αŸ…αž›αžΎαž”αžŽαŸ’αžαžΆαž‰αžšαžΌαž”αžœαž“αŸ’αžαžŠαžΌαž…αž‚αŸ’αž“αžΆ (αž€αŸ’αž“αž»αž„ VLAN αžŠαžΌαž…αž‚αŸ’αž“αžΆ) αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“ IP αž–αžΈαž’αžΆαž„αž‡αžΆαž…αŸ’αžšαžΎαž“αŸ” αž”αŸ’αžšαžŸαž·αž“αž”αžΎαžŸαŸ†αžŽαžΎαž”αžΆαž“αž˜αž€αžŠαž›αŸ‹αž€αŸ’αžšαž»αž˜αž“αŸƒαž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“αžŠαŸ‚αž›αž‡αžΆαž•αŸ’αž“αŸ‚αž€αž˜αž½αž™αž“αŸƒ SuperScope αž“αŸ„αŸ‡αž’αžαž·αžαž·αž‡αž“αž’αžΆαž…αžαŸ’αžšαžΌαžœαž”αžΆαž“αž•αŸ’αžαž›αŸ‹αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“αž–αžΈαžœαž·αžŸαžΆαž›αž—αžΆαž–αž˜αž½αž™αž•αŸ’αžŸαŸαž„αž‘αŸ€αžαžŠαŸ‚αž›αžšαž½αž˜αž”αž‰αŸ’αž…αžΌαž›αž“αŸ…αž€αŸ’αž“αž»αž„ SuperScope αž“αŸαŸ‡αŸ”

αž‚αŸ„αž›αž“αž™αŸ„αž”αžΆαž™

The DHCP Server role in Windows Server 2012 introduces a new feature that allows you to create IPv4 policies that specify custom IP address and option assignments for DHCP clients based on a set of conditions.

The policy based assignment (PBA) feature allows you to group DHCP clients by specific attributes based on fields contained in the DHCP client request packet. PBA enables targeted administration and greater control of the configuration parameters delivered to network devices with DHCP.

αž‚αŸ„αž›αž€αžΆαžšαžŽαŸ – αž’αž“αž»αž‰αŸ’αž‰αžΆαžαž±αŸ’αž™αž’αŸ’αž“αž€αž€αŸ†αžŽαžαŸ‹αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“ IP αžŠαž›αŸ‹αž’αŸ’αž“αž€αž”αŸ’αžšαžΎαž”αŸ’αžšαžΆαžŸαŸ‹ αž’αžΆαžŸαŸ’αžšαŸαž™αž›αžΎαž”αŸ’αžšαž—αŸαž‘αž“αŸƒαž’αŸ’αž“αž€αž”αŸ’αžšαžΎαž”αŸ’αžšαžΆαžŸαŸ‹ αž¬αž”αŸ‰αžΆαžšαŸ‰αžΆαž˜αŸ‰αŸ‚αžαŸ’αžšαŸ” αžœαž·αžŸαŸ’αžœαž€αžš Cisco αž”αŸ’αžšαžΎαž”αŸ’αžšαžΆαžŸαŸ‹αž‚αŸ„αž›αž€αžΆαžšαžŽαŸαž“αŸ…αž€αŸ’αž“αž»αž„ Windows Server 2012 αžŠαžΎαž˜αŸ’αž”αžΈαžαŸ’αžšαž„αžŠαŸ„αž™ VNI (Virtual Network Identifier)αŸ”

αžšαžΆαž„αž€αžΆαž™αžŸαŸ†αžαžΆαž“αŸ‹

αž•αŸ’αž“αŸ‚αž€αž“αŸαŸ‡αž˜αžΆαž“αž›αž‘αŸ’αž’αž•αž›αž“αŸƒαž€αžΆαžšαžŸαŸ’αžšαžΆαžœαž‡αŸ’αžšαžΆαžœ αž αŸαžαž»αž’αŸ’αžœαžΈαž”αžΆαž“αž‡αžΆαžœαžΆαž˜αž·αž“αžαŸ’αžšαžΌαžœαž”αžΆαž“αž‚αžΆαŸ†αž‘αŸ’αžš αžšαž”αŸ€αž”αžŠαŸ‚αž›αžœαžΆαžŠαŸ†αžŽαžΎαžšαž€αžΆαžš (αžαž€αŸ’αž€αžœαž·αž‡αŸ’αž‡αžΆ) αž’αŸ’αžœαžΈαžŠαŸ‚αž›αžαŸ’αž˜αžΈ αž“αž·αž„αžšαž”αŸ€αž”αžŠαŸ‚αž›αžαŸ’αž˜αžΈαž“αŸαŸ‡αž“αžΉαž„αž‡αž½αž™αž™αžΎαž„αŸ”

αž αŸαžαž»αž’αŸ’αžœαžΈαž”αžΆαž“αž‡αžΆ Microsoft Windows Server 2000/2003/2008 αž˜αž·αž“αž‚αžΆαŸ†αž‘αŸ’αžš?

Microsoft Windows Server 2008 αž“αž·αž„αž€αŸ†αžŽαŸ‚αž˜αž»αž“αž˜αž·αž“αžŠαŸ†αžŽαžΎαžšαž€αžΆαžšαž‡αž˜αŸ’αžšαžΎαžŸ 82 αž αžΎαž™αž€αž‰αŸ’αž…αž”αŸ‹αžαŸ’αžšαž‘αž”αŸ‹αžαŸ’αžšαžΌαžœαž”αžΆαž“αž•αŸ’αž‰αžΎαžŠαŸ„αž™αž‚αŸ’αž˜αžΆαž“αž‡αž˜αŸ’αžšαžΎαžŸ 82 αŸ”

αž”αž‰αŸ’αž αžΆ Win2k8 R2 DHCP αž‡αžΆαž˜αž½αž™ Option82

  1. αžŸαŸ†αžŽαžΎαž–αžΈαž’αžαž·αžαž·αž‡αž“αžαŸ’αžšαžΌαžœαž”αžΆαž“αž•αŸ’αž‰αžΎαž‘αŸ… Broadcast (DHCP Discover)αŸ”
  2. αž§αž”αž€αžšαžŽαŸ (Nexus) αž•αŸ’αž‰αžΎαž€αž‰αŸ’αž…αž”αŸ‹αž–αŸαžαŸŒαž˜αžΆαž“αž‘αŸ…αž˜αŸ‰αžΆαžŸαŸŠαžΈαž“αž˜αŸ DHCP (DHCP Discover + Option 82) αŸ”
  3. αž˜αŸ‰αžΆαžŸαŸŠαžΈαž“αž˜αŸ DHCP αž‘αž‘αž½αž›αž”αžΆαž“αž€αž‰αŸ’αž…αž”αŸ‹αž–αŸαžαŸŒαž˜αžΆαž“ αžŠαŸ†αžŽαžΎαžšαž€αžΆαžšαžœαžΆ αž”αž‰αŸ’αž‡αžΌαž“αžœαžΆαž˜αž€αžœαž·αž‰ αž”αŸ‰αž»αž“αŸ’αžαŸ‚αžŠαŸ„αž™αž‚αŸ’αž˜αžΆαž“αž‡αž˜αŸ’αžšαžΎαžŸ 82αŸ” (αž€αžΆαžšαž•αŸ’αžαž›αŸ‹αž‡αžΌαž“ DHCP – αžŠαŸ„αž™αž‚αŸ’αž˜αžΆαž“αž‡αž˜αŸ’αžšαžΎαžŸ 82)
  4. αž§αž”αž€αžšαžŽαŸ (Nexus) αž‘αž‘αž½αž›αž”αžΆαž“αž€αž‰αŸ’αž…αž”αŸ‹αž–αŸαžαŸŒαž˜αžΆαž“αž–αžΈαž˜αŸ‰αžΆαžŸαŸŠαžΈαž“αž˜αŸ DHCP αŸ” (αž€αžΆαžšαž•αŸ’αžαž›αŸ‹αž‡αžΌαž“ DHCP) αž”αŸ‰αž»αž“αŸ’αžαŸ‚αž˜αž·αž“αž•αŸ’αž‰αžΎαž€αž‰αŸ’αž…αž”αŸ‹αž–αŸαžαŸŒαž˜αžΆαž“αž“αŸαŸ‡αž‘αŸ…αž’αŸ’αž“αž€αž”αŸ’αžšαžΎαž”αŸ’αžšαžΆαžŸαŸ‹αž…αž»αž„αž€αŸ’αžšαŸ„αž™αž‘αŸαŸ”

αž‘αž·αž“αŸ’αž“αž“αŸαž™ Sniffer - αž“αŸ…αž›αžΎ Windows Server 2008 αž“αž·αž„αž“αŸ…αž›αžΎαž˜αŸ‰αžΆαžŸαŸŠαžΈαž“αž—αŸ’αž‰αŸ€αžœ DHCPWindows Server 2008 αž‘αž‘αž½αž›αžŸαŸ†αžŽαžΎαž–αžΈαž§αž”αž€αžšαžŽαŸαž”αžŽαŸ’αžαžΆαž‰αŸ” (αž‡αž˜αŸ’αžšαžΎαžŸ 82 αž˜αžΆαž“αž“αŸ…αž€αŸ’αž“αž»αž„αž”αž‰αŸ’αž‡αžΈ)

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
Windows Server 2008 αž•αŸ’αž‰αžΎαž€αžΆαžšαž†αŸ’αž›αžΎαž™αžαž”αž‘αŸ…αž€αžΆαž“αŸ‹αž§αž”αž€αžšαžŽαŸαž”αžŽαŸ’αžαžΆαž‰αŸ” (αž‡αž˜αŸ’αžšαžΎαžŸ 82 αž˜αž·αž“αžαŸ’αžšαžΌαžœαž”αžΆαž“αžšαžΆαž™αž‡αžΆαž‡αž˜αŸ’αžšαžΎαžŸαž€αŸ’αž“αž»αž„αž€αž‰αŸ’αž…αž”αŸ‹αž‘αŸ)
αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αžŸαŸ†αžŽαžΎαž–αžΈαž’αžαž·αžαž·αž‡αž“ - DHCP Discover αž˜αžΆαž“αžœαžαŸ’αžαž˜αžΆαž“ αž αžΎαž™αž€αžΆαžšαž•αŸ’αžαž›αŸ‹αž‡αžΌαž“ DHCP αžαŸ’αžšαžΌαžœαž”αžΆαž“αž”αžΆαžαŸ‹
αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αžŸαŸ’αžαž·αžαž·αž›αžΎαž§αž”αž€αžšαžŽαŸαž”αžŽαŸ’αžαžΆαž‰αŸ–

NEXUS-9000V-SW-1# show ip dhcp relay statistics 
----------------------------------------------------------------------
Message Type             Rx              Tx           Drops  
----------------------------------------------------------------------
Discover                  8               8               0
Offer                     8               8               0
Request(*)                0               0               0
Ack                       0               0               0
Release(*)                0               0               0
Decline                   0               0               0
Inform(*)                 0               0               0
Nack                      0               0               0
----------------------------------------------------------------------
Total                    16              16               0
----------------------------------------------------------------------

DHCP L3 FWD:
Total Packets Received                           :         0
Total Packets Forwarded                          :         0
Total Packets Dropped                            :         0
Non DHCP:
Total Packets Received                           :         0
Total Packets Forwarded                          :         0
Total Packets Dropped                            :         0
DROP:
DHCP Relay not enabled                           :         0
Invalid DHCP message type                        :         0
Interface error                                  :         0
Tx failure towards server                        :         0
Tx failure towards client                        :         0
Unknown output interface                         :         0
Unknown vrf or interface for server              :         0
Max hops exceeded                                :         0
Option 82 validation failed                      :         0
Packet Malformed                                 :         0
Relay Trusted port not configured                :         0
DHCP Request dropped on MCT                      :         0
*  -  These counters will show correct value when switch 
receives DHCP request packet with destination ip as broadcast
address. If request is unicast it will be HW switched
NEXUS-9000V-SW-1#

αž αŸαžαž»αž’αŸ’αžœαžΈαž”αžΆαž“αž‡αžΆαž€αžΆαžšαž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’αžŸαŸ’αž˜αž»αž‚αžŸαŸ’αž˜αžΆαž‰αž“αŸ…αž€αŸ’αž“αž»αž„ Microsoft Windows Server 2012?

Microsoft Windows Server 2012 αž˜αž·αž“αž‘αžΆαž“αŸ‹αž‚αžΆαŸ†αž‘αŸ’αžš RFC#3527 (αž‡αž˜αŸ’αžšαžΎαžŸ 82 αž’αž“αž»αž‡αž˜αŸ’αžšαžΎαžŸ 5(0x5) - αž€αžΆαžšαž‡αŸ’αžšαžΎαžŸαžšαžΎαžŸαžαŸ†αžŽ)
αž”αŸ‰αž»αž“αŸ’αžαŸ‚αž˜αž»αžαž„αžΆαžšαž‚αŸ„αž›αž“αž™αŸ„αž”αžΆαž™αžαŸ’αžšαžΌαžœαž”αžΆαž“αž’αž“αž»αžœαžαŸ’αžαžšαž½αž…αž αžΎαž™αŸ”

эакэтоработаСт:

  • Microsoft Windows Server 2012 αž˜αžΆαž“αž’αžΆαž„αž‘αŸ†αž“αžΎαž” (SuperScope) αžŠαŸ‚αž›αž˜αžΆαž“αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“ Loopback αž“αž·αž„αž’αžΆαž„αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž”αžŽαŸ’αžαžΆαž‰αž–αž·αžαŸ”
  • αž€αžΆαžšαž‡αŸ’αžšαžΎαžŸαžšαžΎαžŸαž’αžΆαž„αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž€αžΆαžšαž…αŸαž‰αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“ IP αž’αŸ’αž›αžΆαž€αŸ‹αž…αžΌαž›αž‘αŸ…αž€αŸ’αž“αž»αž„ SuperScope αž…αžΆαž”αŸ‹αžαžΆαŸ†αž„αž–αžΈαž€αžΆαžšαž†αŸ’αž›αžΎαž™αžαž”αž”αžΆαž“αž˜αž€αž–αžΈ DHCP Relay αž‡αžΆαž˜αž½αž™αž“αžΉαž„αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“αž”αŸ’αžšαž—αž– Loopback αžšαž½αž˜αž”αž‰αŸ’αž…αžΌαž›αž“αŸ…αž€αŸ’αž“αž»αž„ SuperScope αŸ”
  • αžŠαŸ„αž™αž”αŸ’αžšαžΎαž‚αŸ„αž›αž€αžΆαžšαžŽαŸ αžŸαŸ†αžŽαžΎαž‡αŸ’αžšαžΎαžŸαžšαžΎαžŸαž–αžΈ Superscope αžŠαŸ‚αž›αžœαž·αžŸαžΆαž›αž—αžΆαž–αžŸαž˜αžΆαž‡αž·αž€αžŠαŸ‚αž› VNI αž˜αžΆαž“αž“αŸ…αž€αŸ’αž“αž»αž„αž‡αž˜αŸ’αžšαžΎαžŸ 82 Suboption 1 Agent Circuit IDαŸ” (β€œ0108000600”+ 24 αž”αŸŠαžΈαž VNI + 24 αž”αŸŠαžΈαžαžŠαŸ‚αž›αžαž˜αŸ’αž›αŸƒαžšαž”αžŸαŸ‹αžαŸ’αž‰αž»αŸ†αž˜αž·αž“αžŸαŸ’αž‚αžΆαž›αŸ‹ αž”αŸ‰αž»αž“αŸ’αžαŸ‚ sniffer αž”αž„αŸ’αž αžΆαž‰αžαž˜αŸ’αž›αŸƒ 0 αž“αŸ…αž€αŸ’αž“αž»αž„αžœαžΆαž›αž“αŸαŸ‡αŸ”)

αžαžΎαž€αžΆαžšαžŠαŸ†αž‘αžΎαž„αžŸαžΆαž˜αž‰αŸ’αž‰αž€αŸ’αž“αž»αž„ Microsoft Windows Server 2016/2019 αž™αŸ‰αžΆαž„αžŠαžΌαž…αž˜αŸ’αžαŸαž…?

Microsoft Windows Server 2016 αž’αž“αž»αžœαžαŸ’αžαž˜αž»αžαž„αžΆαžš RFC#3527 αŸ” αž“αŸ„αŸ‡αž‚αžΊ Windows Server 2016 αž’αžΆαž…αžŸαŸ’αž‚αžΆαž›αŸ‹αž”αžŽαŸ’αžαžΆαž‰αžαŸ’αžšαžΉαž˜αžαŸ’αžšαžΌαžœαž–αžΈαž‡αž˜αŸ’αžšαžΎαžŸ 82 αž’αž“αž»αž‡αž˜αŸ’αžšαžΎαžŸ 5(0x5) - Link Selection attribute

αžŸαŸ†αžŽαž½αžšαž”αžΈαž€αžΎαžαž‘αžΎαž„αž—αŸ’αž›αžΆαž˜αŸ—αŸ–

  • αžαžΎαž™αžΎαž„αž’αžΆαž…αž’αŸ’αžœαžΎαžŠαŸ„αž™αž‚αŸ’αž˜αžΆαž“ Superscope αž”αžΆαž“αž‘αŸ?
  • αžαžΎαž™αžΎαž„αž’αžΆαž…αž’αŸ’αžœαžΎαžŠαŸ„αž™αž‚αŸ’αž˜αžΆαž“αž‚αŸ„αž›αž€αžΆαžšαžŽαŸ αž“αž·αž„αž”αŸ†αž”αŸ’αž›αŸ‚αž„ VNI αž‘αŸ…αž‡αžΆαž‘αž˜αŸ’αžšαž„αŸ‹αž‚αŸ„αž›αžŠαž”αŸ‹αž”αŸ’αžšαžΆαŸ†αž˜αž½αž™αž”αžΆαž“αž‘αŸ?
  • αžαžΎαž™αžΎαž„αž’αžΆαž…αž’αŸ’αžœαžΎαžŠαŸ„αž™αž‚αŸ’αž˜αžΆαž“αžœαž·αžŸαžΆαž›αž—αžΆαž–αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“αž”αŸ’αžšαž—αž– Loopback DHCP αž”αžΆαž“αž‘αŸ?

Q. αžαžΎαž™αžΎαž„αž’αžΆαž…αž’αŸ’αžœαžΎαžŠαŸ„αž™αž‚αŸ’αž˜αžΆαž“ Superscope αž”αžΆαž“αž‘αŸ?
A. αž”αžΆαž‘ αžœαž·αžŸαžΆαž›αž—αžΆαž–αž’αžΆαž…αžαŸ’αžšαžΌαžœαž”αžΆαž“αž”αž„αŸ’αž€αžΎαžαž—αŸ’αž›αžΆαž˜αŸ—αž“αŸ…αž€αŸ’αž“αž»αž„αžαŸ†αž”αž“αŸ‹αž“αŸƒαž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“ IPv4 αŸ”
Q. αžαžΎαž™αžΎαž„αž’αžΆαž…αž’αŸ’αžœαžΎαžŠαŸ„αž™αž‚αŸ’αž˜αžΆαž“αž‚αŸ„αž›αž€αžΆαžšαžŽαŸ αž“αž·αž„αž”αŸ†αž”αŸ’αž›αŸ‚αž„ VNI αž‘αŸ…αž‡αžΆαž‘αž˜αŸ’αžšαž„αŸ‹αž‚αŸ„αž›αžŠαž”αŸ‹αž”αŸ’αžšαžΆαŸ†αž˜αž½αž™αž”αžΆαž“αž‘αŸ?
A. αž”αžΆαž‘/αž…αžΆαžŸ αž€αžΆαžšαž‡αŸ’αžšαžΎαžŸαžšαžΎαžŸαž”αžŽαŸ’αžαžΆαž‰αž‚αžΊαž•αŸ’αž’αŸ‚αž€αž›αžΎαž‡αž˜αŸ’αžšαžΎαžŸ 82 Suboption 0x5,
Q. αžαžΎαž™αžΎαž„αž’αžΆαž…αž’αŸ’αžœαžΎαžŠαŸ„αž™αž‚αŸ’αž˜αžΆαž“αžœαž·αžŸαžΆαž›αž—αžΆαž–αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“αž”αŸ’αžšαž—αž– Loopback DHCP αž”αžΆαž“αž‘αŸ?
A. αž‘αŸ αž™αžΎαž„αž˜αž·αž“αž’αžΆαž…αž‘αŸαŸ” αžŠαŸ„αž™αžŸαžΆαžšαžαŸ‚ Microsoft Windows Server 2016/2019 αž˜αžΆαž“αž€αžΆαžšαž€αžΆαžšαž–αžΆαžšαž”αŸ’αžšαž†αžΆαŸ†αž„αž“αžΉαž„αžŸαŸ†αžŽαžΎαžš DHCP αžŠαŸ‚αž›αž˜αžΆαž“αž‚αŸ†αž“αž·αžαž’αžΆαž€αŸ’αžšαž€αŸ‹αŸ” αž“αŸ„αŸ‡β€‹αž‚αžΊβ€‹αžšαžΆαž›αŸ‹β€‹αžŸαŸ†αžŽαžΎβ€‹αž–αžΈβ€‹αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“β€‹αžŠαŸ‚αž›β€‹αž˜αž·αž“β€‹αž˜αžΆαž“β€‹αž“αŸ…β€‹αž€αŸ’αž“αž»αž„β€‹αž˜αŸ‰αžΆαžŸαŸŠαžΈαž“β€‹αž˜αŸ DHCP αžαŸ’αžšαžΌαžœβ€‹αž”αžΆαž“β€‹αž…αžΆαžαŸ‹β€‹αž‘αž»αž€β€‹αžαžΆβ€‹αž˜αžΆαž“β€‹αž‚αŸ†αž“αž·αžβ€‹αž’αžΆαž€αŸ’αžšαž€αŸ‹αŸ”

αž‡αž˜αŸ’αžšαžΎαžŸαž‡αŸ’αžšαžΎαžŸαžšαžΎαžŸαž”αžŽαŸ’αžαžΆαž‰αžšαž„ DHCP

 Note
All relay agent IP addresses (GIADDR) must be part of an active DHCP scope IP address range. Any GIADDR outside of the DHCP scope IP address ranges is considered a rogue relay and Windows DHCP Server will not acknowledge DHCP client requests from those relay agents.

A special scope can be created to "authorize" relay agents. Create a scope with the GIADDR (or multiple if the GIADDR's are sequential IP addresses), exclude the GIADDR address(es) from distribution, and then activate the scope. This will authorize the relay agents while preventing the GIADDR addresses from being assigned.

αž‘αžΆαŸ†αž„αž“αŸ„αŸ‡αŸ” αžŠαžΎαž˜αŸ’αž”αžΈαž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’αž’αžΆαž„ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αžšαŸ„αž„αž…αž€αŸ’αžš VXLAN BGP EVPN αž“αŸ…αž›αžΎ Microsoft Windows Server 2016/2019 αž’αŸ’αž“αž€αž‚αŸ’αžšαžΆαž“αŸ‹αžαŸ‚αžαŸ’αžšαžΌαžœαž€αžΆαžšαŸ–

  • αž”αž„αŸ’αž€αžΎαžαž’αžΆαž„αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“αž”αŸ’αžšαž—αž–αž”αž‰αŸ’αž‡αžΌαž“αž”αž“αŸ’αžαŸ”
  • αž”αž„αŸ’αž€αžΎαžαž’αžΆαž„αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž”αžŽαŸ’αžαžΆαž‰αž’αžαž·αžαž·αž‡αž“

αž’αŸ’αžœαžΈαžŠαŸ‚αž›αž˜αž·αž“αž…αžΆαŸ†αž”αžΆαž…αŸ‹ (αž”αŸ‰αž»αž“αŸ’αžαŸ‚αž’αžΆαž…αžαŸ’αžšαžΌαžœαž”αžΆαž“αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’αž αžΎαž™αžœαžΆαž“αžΉαž„αžŠαŸ†αžŽαžΎαžšαž€αžΆαžšαž αžΎαž™αž“αžΉαž„αž˜αž·αž“αž‡αŸ’αžšαŸ€αžαž‡αŸ’αžšαŸ‚αž€αž€αžΆαžšαž„αžΆαžš):

  • αž”αž„αŸ’αž€αžΎαžαž‚αŸ„αž›αž€αžΆαžšαžŽαŸ
  • αž”αž„αŸ’αž€αžΎαž SuperScope

αž§αž‘αžΆαž αžšαžŽαŸ:αž§αž‘αžΆαž αžšαžŽαŸαž“αŸƒαž€αžΆαžšαžŠαŸ†αž‘αžΎαž„αž˜αŸ‰αžΆαžŸαŸŠαžΈαž“αž˜αŸ DHCP (αž˜αžΆαž“αž’αžαž·αžαž·αž‡αž“ DHCP αž–αž·αžαž”αŸ’αžšαžΆαž€αžŠ 2 - αž˜αŸ‰αžΆαžŸαŸŠαžΈαž“αž—αŸ’αž‰αŸ€αžœαžαŸ’αžšαžΌαžœαž”αžΆαž“αž—αŸ’αž‡αžΆαž”αŸ‹αž‘αŸ…αž€αŸ’αžšαžŽαžΆαžαŸ‹ VXLAN)

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αž§αž‘αžΆαž αžšαžŽαŸαž“αŸƒαž€αžΆαžšαžšαŸ€αž”αž…αŸ†αž€αŸ’αžšαž»αž˜αž’αŸ’αž“αž€αž”αŸ’αžšαžΎαž”αŸ’αžšαžΆαžŸαŸ‹αŸ–

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αž§αž‘αžΆαž αžšαžŽαŸαž“αŸƒαž€αžΆαžšαžŠαŸ†αž‘αžΎαž„αž’αžΆαž„αž’αŸ’αž“αž€αž”αŸ’αžšαžΎαž”αŸ’αžšαžΆαžŸαŸ‹ (αž‚αŸ„αž›αž€αžΆαžšαžŽαŸαžαŸ’αžšαžΌαžœαž”αžΆαž“αž‡αŸ’αžšαžΎαžŸαžšαžΎαžŸ - αžŠαžΎαž˜αŸ’αž”αžΈαž”αž„αŸ’αž αžΆαž‰αžαžΆαž‚αŸ„αž›αž€αžΆαžšαžŽαŸαž˜αž·αž“αžαŸ’αžšαžΌαžœαž”αžΆαž“αž”αŸ’αžšαžΎαžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž”αŸ’αžšαžαž·αž”αžαŸ’αžαž·αž€αžΆαžšαžαŸ’αžšαžΉαž˜αžαŸ’αžšαžΌαžœαž“αŸƒαž’αžΆαž„)αŸ–

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αž§αž‘αžΆαž αžšαžŽαŸαž“αŸƒαž€αžΆαžšαž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’αž’αžΆαž„αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“αž”αŸ’αžšαž—αž– DHCP Relay (αž‡αž½αžšαž“αŸƒαž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž€αžΆαžšαž…αŸαž‰αž•αŸ’αžŸαžΆαž™αžαŸ’αžšαžΌαžœαž‚αŸ’αž“αžΆαž™αŸ‰αžΆαž„αž–αŸαž‰αž›αŸαž‰αž‘αŸ…αž“αžΉαž„αž€αžΆαžšαžŠαž€αž…αŸαž‰αž–αžΈαž€αŸ’αžšαž»αž˜αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“):

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αž€αžΆαžšαžŠαŸ†αž‘αžΎαž„αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αž“αŸ…αž›αžΎ Microsoft Windows Server 2019

αž€αžΆαžšαž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’αž’αžΆαž„αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“ Loopback (αž”αŸ’αžšαž—αž–) αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ DHCP Relay αŸ”

αž™αžΎαž„αž”αž„αŸ’αž€αžΎαžαž’αžΆαž„αžαŸ’αž˜αžΈαž˜αž½αž™ (αžœαž·αžŸαžΆαž›αž—αžΆαž–) αž“αŸ…αž€αŸ’αž“αž»αž„αž›αŸ†αž  IPv4 αŸ”

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αž’αŸ’αž“αž€αž‡αŸ†αž“αž½αž™αž€αžΆαžšαž”αž„αŸ’αž€αžΎαžαž’αžΆαž„αŸ” "αž”αž“αŸ’αž‘αžΆαž”αŸ‹ >"

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’αžˆαŸ’αž˜αŸ„αŸ‡αž’αžΆαž„ αž“αž·αž„αž€αžΆαžšαž–αž·αž–αžŽαŸŒαž“αžΆαž“αŸƒαž’αžΆαž„αŸ”

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αž€αŸ†αžŽαžαŸ‹αž‡αž½αžšαž“αŸƒαž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“ IP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ Loopback αž“αž·αž„αžšαž”αžΆαŸ†αž„αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž’αžΆαž„αŸ”

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αž€αžΆαžšαž”αž“αŸ’αžαŸ‚αž˜αž€αžšαžŽαžΈαž›αžΎαž€αž›αŸ‚αž„αŸ” αž‡αž½αžšβ€‹αžŠαž€β€‹αž…αŸαž‰β€‹αžαŸ’αžšαžΌαžœβ€‹αžαŸ‚β€‹αžαŸ’αžšαžΌαžœβ€‹αž‚αŸ’αž“αžΆβ€‹αž“αžΉαž„β€‹αž‡αž½αžšβ€‹αž’αžΆαž„αŸ”

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αž–αŸαž›αžœαŸαž›αžΆαž‡αž½αž›αŸ” "αž”αž“αŸ’αž‘αžΆαž”αŸ‹ >"

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αžŸαŸ†αžŽαž½αžšαŸ– αžαžΎαž’αŸ’αž“αž€αž“αžΉαž„αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’αž‡αž˜αŸ’αžšαžΎαžŸ DHCP αž₯αž‘αžΌαžœαž“αŸαŸ‡ (DNS, WINS, Gateway, Domain) αž¬αž’αŸ’αž“αž€αž“αžΉαž„αž’αŸ’αžœαžΎαžœαžΆαž“αŸ…αž–αŸαž›αž€αŸ’αžšαŸ„αž™αŸ” αžœαžΆαž“αžΉαž„αž€αžΆαž“αŸ‹αžαŸ‚αž›αžΏαž“αž€αŸ’αž“αž»αž„αž€αžΆαžšαž†αŸ’αž›αžΎαž™αžαžΆαž‘αŸ αž αžΎαž™αž”αž“αŸ’αž‘αžΆαž”αŸ‹αž˜αž€αž’αŸ’αžœαžΎαž±αŸ’αž™αž’αžΆαž„αž αŸ‚αž›αž‘αžΉαž€αžŠαŸ„αž™αžŠαŸƒαŸ” αž¬αž‘αŸ…αž…αž»αž„αž”αž‰αŸ’αž…αž”αŸ‹αžŠαŸ„αž™αž˜αž·αž“αž”αŸ†αž–αŸαž‰αž–αŸαžαŸŒαž˜αžΆαž“αžŽαžΆαž˜αž½αž™αž αžΎαž™αž’αŸ’αžœαžΎαž±αŸ’αž™αž’αžΆαž„αž‘αžΉαž€αž“αŸ…αž…αž»αž„αž”αž‰αŸ’αž…αž”αŸ‹αž“αŸƒαž’αŸ’αž“αž€αž‡αŸ†αž“αž½αž™αž€αžΆαžšαŸ”

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αž™αžΎαž„αž”αž‰αŸ’αž‡αžΆαž€αŸ‹αžαžΆαž‡αž˜αŸ’αžšαžΎαžŸαž˜αž·αž“αžαŸ’αžšαžΌαžœαž”αžΆαž“αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ αž αžΎαž™αž’αžΆαž„αž˜αž·αž“αžαŸ’αžšαžΌαžœαž”αžΆαž“αž’αŸ’αžœαžΎαž±αŸ’αž™αžŸαž€αž˜αŸ’αž˜αž‘αŸαŸ” "αž”αž‰αŸ’αž…αž”αŸ‹"

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αž™αžΎαž„αž”αžΎαž€αžŠαŸ†αžŽαžΎαžšαž€αžΆαžšαž’αžΆαž„αžŠαŸ„αž™αžŠαŸƒαŸ” - αž‡αŸ’αžšαžΎαžŸαžšαžΎαžŸαžœαž·αžŸαžΆαž›αž—αžΆαž– αž“αž·αž„αž€αŸ’αž“αž»αž„αž˜αŸ‰αžΊαž“αž»αž™αž”αžšαž·αž”αž‘ β€” αž‡αŸ’αžšαžΎαžŸαžšαžΎαžŸ β€œαž’αŸ’αžœαžΎαž±αŸ’αž™αžŸαž€αž˜αŸ’αž˜β€ αŸ”

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)

αž™αžΎαž„αž”αž„αŸ’αž€αžΎαžαž’αžΆαž„αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž’αŸ’αž“αž€αž”αŸ’αžšαžΎαž”αŸ’αžšαžΆαžŸαŸ‹/αž˜αŸ‰αžΆαžŸαŸŠαžΈαž“αž˜αŸαŸ”

αž™αžΎαž„αž”αž„αŸ’αž€αžΎαžαž’αžΆαž„αžαŸ’αž˜αžΈαž˜αž½αž™αŸ”

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αž’αŸ’αž“αž€αž‡αŸ†αž“αž½αž™αž€αžΆαžšαž”αž„αŸ’αž€αžΎαžαž’αžΆαž„αŸ” "αž”αž“αŸ’αž‘αžΆαž”αŸ‹ >"

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’αžˆαŸ’αž˜αŸ„αŸ‡αž’αžΆαž„ αž“αž·αž„αž€αžΆαžšαž–αž·αž–αžŽαŸŒαž“αžΆαž“αŸƒαž’αžΆαž„αŸ”

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αž€αŸ†αžŽαžαŸ‹αž‡αž½αžšαž“αŸƒαž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“ IP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ Loopback αž“αž·αž„αžšαž”αžΆαŸ†αž„αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž’αžΆαž„αŸ”

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αž€αžΆαžšαž”αž“αŸ’αžαŸ‚αž˜αž€αžšαžŽαžΈαž›αžΎαž€αž›αŸ‚αž„αŸ” (αž‚αŸ’αž˜αžΆαž“αž€αžΆαžšαž›αžΎαž€αž›αŸ‚αž„αžαž˜αŸ’αžšαžΌαžœαžαžΆαž˜αž›αŸ†αž“αžΆαŸ†αžŠαžΎαž˜) "αž”αž“αŸ’αž‘αžΆαž”αŸ‹ >"

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αž–αŸαž›αžœαŸαž›αžΆαž‡αž½αž›αŸ” "αž”αž“αŸ’αž‘αžΆαž”αŸ‹ >"

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αžŸαŸ†αžŽαž½αžšαŸ– αžαžΎαž’αŸ’αž“αž€αž“αžΉαž„αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’αž‡αž˜αŸ’αžšαžΎαžŸ DHCP αž₯αž‘αžΌαžœαž“αŸαŸ‡ (DNS, WINS, Gateway, Domain) αž¬αž’αŸ’αž“αž€αž“αžΉαž„αž’αŸ’αžœαžΎαžœαžΆαž“αŸ…αž–αŸαž›αž€αŸ’αžšαŸ„αž™αŸ” αžαŸ„αŸ‡αžšαŸ€αž”αž…αŸ†αžœαžΆαž₯αž‘αžΌαžœαž“αŸαŸ‡αŸ”

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“αž…αŸ’αžšαž€αž…αŸαž‰αž…αžΌαž›αž›αŸ†αž“αžΆαŸ†αžŠαžΎαž˜αŸ”

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αž™αžΎαž„αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“αž˜αŸ‰αžΆαžŸαŸŠαžΈαž“αž˜αŸ DNS αž“αž·αž„αžŠαŸ‚αž“αŸ”

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’αž’αžΆαžŸαž™αžŠαŸ’αž‹αžΆαž“ IP αžšαž”αžŸαŸ‹αž˜αŸ‰αžΆαžŸαŸŠαžΈαž“αž˜αŸ WINS αŸ”

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αž€αžΆαžšαž’αŸ’αžœαžΎαž±αŸ’αž™αžŸαž€αž˜αŸ’αž˜αžœαž·αžŸαžΆαž›αž—αžΆαž–αŸ”

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)
αž’αžΆαž„αž‘αžΉαž€αžαŸ’αžšαžΌαžœαž”αžΆαž“αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’αŸ” "αž”αž‰αŸ’αž…αž”αŸ‹"

αž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2016/2019 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ VXLAN (DFA)

αžŸαŸαž…αž€αŸ’αžαžΈαžŸαž“αŸ’αž“αž·αžŠαŸ’αž‹αžΆαž“

αž€αžΆαžšαž”αŸ’αžšαžΎαž”αŸ’αžšαžΆαžŸαŸ‹ Windows Server 2016/2019 αž€αžΆαžαŸ‹αž”αž“αŸ’αžαž™αž—αžΆαž–αžŸαŸ’αž˜αž»αž‚αžŸαŸ’αž˜αžΆαž‰αž“αŸƒαž€αžΆαžšαžŠαŸ†αž‘αžΎαž„αž˜αŸ‰αžΆαžŸαŸŠαžΈαž“αž˜αŸ DHCP αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž€αŸ’αžšαžŽαžΆαžαŸ‹ VXLAN (αž¬αž€αŸ’αžšαžŽαžΆαžαŸ‹αž•αŸ’αžŸαŸαž„αž‘αŸ€αž)αŸ” (αžœαžΆαž˜αž·αž“αž…αžΆαŸ†αž”αžΆαž…αŸ‹αž€αŸ’αž“αž»αž„αž€αžΆαžšαž•αŸ’αž‘αŸαžšαžαŸ†αžŽαž–αž·αžŸαŸαžŸαž‘αŸ…αž€αžΆαž“αŸ‹αž’αŸ’αž“αž€αž‡αŸ†αž“αžΆαž‰αž•αŸ’αž“αŸ‚αž€αž–αŸαžαŸŒαž˜αžΆαž“αžœαž·αž‘αŸ’αž™αžΆαŸ– αž›αŸαžαžŸαž˜αŸ’αž‚αžΆαž›αŸ‹αž”αžŽαŸ’αžαžΆαž‰/αž—αŸ’αž“αžΆαž€αŸ‹αž„αžΆαžšαžŸαŸ€αž‚αŸ’αžœαžΈ αžŠαžΎαž˜αŸ’αž”αžΈαž…αž»αŸ‡αžˆαŸ’αž˜αŸ„αŸ‡αžαž˜αŸ’αžšαž„αŸ” )

αžαžΎαž€αžΆαžšαž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’αžŸαž˜αŸ’αžšαžΆαž”αŸ‹ Windows Server 2012 αžŠαŸ†αžŽαžΎαžšαž€αžΆαžšαž›αžΎαž˜αŸ‰αžΆαžŸαŸŠαžΈαž“αž˜αŸαžαŸ’αž˜αžΈ 2016/2019 αž¬αž‘αŸ αžœαžΆαž“αžΉαž„αžŠαŸ†αžŽαžΎαžšαž€αžΆαžšαŸ”

αž―αž€αžŸαžΆαžšαž“αŸαŸ‡αž˜αžΆαž“αž―αž€αžŸαžΆαžšαž™αŸ„αž„αž‘αŸ…αž€αŸ†αžŽαŸ‚ 2αŸ– 7.X αž“αž·αž„ 9.3αŸ” αž“αŸαŸ‡αž‚αžΊαžŠαŸ„αž™αžŸαžΆαžšαžαŸ‚αž€αžΆαžšαž–αž·αžαžŠαŸ‚αž›αžαžΆαž€αŸ†αžŽαŸ‚ 7.0(3)I7(7) αž‚αžΊαž‡αžΆαž€αžΆαžšαž…αŸαž‰αž•αŸ’αžŸαžΆαž™αžŠαŸ‚αž›αž”αžΆαž“αžŸαŸ’αž“αžΎαžšαž”αžŸαŸ‹ Cisco αž αžΎαž™αž€αŸ†αžŽαŸ‚ 9.3 αž‚αžΊαž‡αžΆαž€αžΆαžšαž…αŸ’αž“αŸƒαž”αŸ’αžšαžŒαž·αžαž”αŸ†αž•αž»αž (αžŸαžΌαž˜αŸ’αž”αžΈαžαŸ‚αž‚αžΆαŸ†αž‘αŸ’αžš Multicast αžαžΆαž˜αžšαž™αŸˆ VXLAN Multisite) αŸ”

αž”αž‰αŸ’αž‡αžΈαž”αŸ’αžšαž—αž–

  1. αž€αžΆαžšαžŽαŸ‚αž“αžΆαŸ†αž’αŸ†αž–αžΈαž€αžΆαžšαž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Nexus 9000 VXLAN 7.x
  2. αž€αžΆαžšαžŽαŸ‚αž“αžΆαŸ†αž’αŸ†αž–αžΈαž€αžΆαžšαž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Nexus 9000 VXLAN 9.3
  3. DFA (αžŸαŸŠαžΈαžŸαŸ’αž€αžΌαžαžΆαž˜αžœαž“αŸ’αžαž€αŸ’αžšαžŽαžΆαžαŸ‹αžαžΆαž˜αžœαž“αŸ’αž)
  4. αž€αžΆαžšαž€αŸ†αžŽαžαŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ Microsoft Windows Server 2012 αžŠαžΎαž˜αŸ’αž”αžΈαž•αŸ’αžαž›αŸ‹αžŸαŸαžœαžΆαž€αž˜αŸ’αž˜ DHCP αž“αŸ…αž€αŸ’αž“αž»αž„αžŸαŸαžŽαžΆαžšαžΈαž™αŸ‰αžΌ eVPN (VXLAN, Cisco One Fabric αŸ”αž›αŸ”)
  5. 3.4 DHCP Superscopes
  6. αž€αžΆαžšαžŽαŸ‚αž“αžΆαŸ†αž’αŸ†αž–αžΈαž‚αŸ„αž›αž“αž™αŸ„αž”αžΆαž™ DHCP
  7. αž”αž‰αŸ’αž αžΆ Win2k8 R2 DHCP αž‡αžΆαž˜αž½αž™ Option82
  8. αž‡αž˜αŸ’αžšαžΎαžŸαž‡αŸ’αžšαžΎαžŸαžšαžΎαžŸαž”αžŽαŸ’αžαžΆαž‰αžšαž„ DHCP

αž”αŸ’αžšαž—αž–: www.habr.com

αž”αž“αŸ’αžαŸ‚αž˜αž˜αžαž·αž™αŸ„αž”αž›αŸ‹