Extreme Extended Edge (eo hape e tsejoang e le Virtual Port Extender - VPEX) ke theknoloji e ncha e ileng ea hlahisoa ka lekhetlo la pele tsamaisong ea ts'ebetso ea EXOS ka tokollo ea 22.5. Tharollo ka boeona e ipapisitse le maemo a IEEE 802.1BR (Bridge Port Extension), 'me e le karolo ea tokollo ea EXOS 22.5, tšehetso ea mohala o mocha oa lisebelisoa tsa ExtremeSwitching V400 e ile ea eketsoa.
"VPEX Bridge" ke sesebelisoa sa sebele se nang le likarolo tse kang Controlling Bridge (CB) le Bridge Port Extender (BPE). Ho netefatsa mamello ea liphoso, hoa khoneha ho hokela ho li-CB tse peli ka har'a sesebelisoa se le seng ho sebelisa theknoloji ea MLAG. Moralo oa sesebelisoa se joalo se hopotsang switch ea khale ea chassis kapa li-switches tse ngata. 'Me haeba ka mokhoa oa "Control Plane" mosebetsi ona ke' nete kapa o fokolang, joale mosebetsi oa "Data Plane" o fapane haholo. Ntle le moo, sepheo sa 802.1br ke ho hokahanya boema-kepe bo hole le ts'ebeletso ea lehae ea MAC (Media Access Control), ha o ntse o arola sephethephethe ho tloha likoung tse hole.
Borokho bo Laolang
- Sebaka se le seng feela sa taolo
- Litlhophiso tsohle li etsahala sebakeng sa heno ho CB
- Tšehetso ea VPEX e tlameha ho etsoa, ho tsosolosa ho hlokahala ho fetola mokhoa oa ho sebetsa
- CB e lula e le slot #1
- Tokollong ea hajoale, CB e ts'ehetsa likhokahano tsa nako e le 'ngoe tse fihlang ho 48 BPE
- Mokhoa oa CB o tšehetsoa ho li-platform tse ling tsa hardware (hajoale X670G2 le X690, li-platform tse ling li tla eketsoa ha li lokolloa)
- Lilaesense tsa EXOS li sebetsa feela ho SV
- VPEX ha e hloke laesense e eketsehileng
- E ikarabella ka botlalo bakeng sa ts'ebetso ea sefofane sa data le ho sefa sephethephethe
- E na le setšoantšo sa boema-kepe bo bong le bo bong bo "atolositsoeng".
Bridge Port Extender
- Lisebelisoa tsa BPE li laoloa e le li-slots tsa chassis
- Libaka tsa BPE li baloa ho tloha ho 100 ho isa ho 162
Slot-1 VPEX X690-48x-2q-4c.3 # show slot
Slots Type Configured State Ports Flags
-------------------------------------------------------------------------------
Slot-1 X690-48x-2q-4c X690-48x-2q-4c Operational 72 M
Slot-100 V400-48t-10GE4 V400-48t-10GE4 Operational 52 M
Slot-101 V400-48t-10GE4 V400-48t-10GE4 Operational 52 M
Slot-102 V400-48t-10GE4 V400-48t-10GE4 Operational 52 M
Slot-103 V400-48t-10GE4 V400-48t-10GE4 Operational 52 M
- Ha ho na tlhoko ea khokahano ea IP kapa Out-of-Band IP ho BPE
- Litlhophiso tsohle, ho beha leihlo, ho rarolla mathata, ho hlahlojoa ho etsoa ka sebopeho sa CB
Slot-1 VPEX X670G2-48x-4q.8 # config vlan v100 add port 100:1,100:3
*Slot-1 VPEX X670G2-48x-4q.9 # show port 100:1-3 statistics no-refresh
Port Link Tx Pkt Tx Byte Rx Pkt Rx Byte Rx Pkt Tx Pkt
State Count Count Count Count Mcast Mcast
====== ===== ========== =========== ========== =========== ======= ========
100:1 A 2126523437 >9999999999 0 0 0 14383
100:2 R 0 0 0 0 0 0
100:3 A 21824 4759804 2126738453 >9999999999 0 14383
====== ===== ========== =========== ========== =========== ======= ========
- Li-BPE ha li etse phetoho ea lehae. Ka lebaka leo, sephethephethe sohle se fetisetsoa ho CB, 'me, ha ho hlokahala, se fetisetsoa boema-kepe bo haufi le sebaka se tšoanang sa BPE, se khutlisetsoa morao. (BPE e amohela pakete, e eketsa sehlooho sa E-TAG ebe e e romella boema-kepe bo ka holimo)
Ho sebetsa joalo ka BPE, sethala se secha sa lisebelisoa, ExtremeSwitching V400, se hlahisitsoe. E kenyelletsa li-port expander bakeng sa 24/48 10/100/1000 Base-T boema-kepe ka tšehetso ea PoE kapa ntle le eona. Mefuta e nang le likou tse 24 e na le likou tse peli tsa 10G, athe mefuta e nang le likou tse 48 e na le likou tse 'ne tsa 10G.
mosebetsi Features
Li-Topology tse nang le CBs e le 'ngoe kapa tse peli le liketane tse fihlang ho tse 'ne tsa VPE li tšehetsoa. Likou tsa Cascadable li ka kopanngoa ho LAG (ho fihla ho likou tse 4 bakeng sa mefuta ea V400-48t / p). Liteishene tsa ho qetela li ka hokela libakeng tse fapaneng tsa BPE li sebelisa LAG.
Ho lemoha le ts'ebetso ea BPE ho ipapisitse le liprothokholo tse kang:
- LLDP - phumano ea pele le boikemisetso ba mofuta le bokhoni ba sesebelisoa se hokahaneng
- ECP - "Edge Control Protocol" lipalangoang bakeng sa PE-CSP
- PE-CSP - "Port Extender Control and Status Protocol" e hlophisa taolo ea BPE ka Controlling Bridge
- LACP - ho theha LAG lipakeng tsa "cascade" <—> "holimo" koung
Haeba ho sebelisoa moralo o mamellang liphoso o nang le li-CB tse peli le MLAG, joale ha CB e le 'ngoe e tsosolosoa, BPE e tla tsoela pele ho romela sephethephethe ka Borokho bo Laolang bo setseng. Haeba CB e le 'ngoe feela e qala hape, joale BPE e tla tima likou tsa eona tse "atolositsoeng".
Bakeng sa boiketlo ba ho hlophisa topology le 2 CBs, bokhoni ba ho lokisa likou tsa MLAG tsa lithaka ka bobeli ho tsoa ho efe kapa efe ea CBs e kentsoe. Mokhoa o bitsoa "orchestration ea mlag", moo lithaka li hokahanyang karolo ea tlhophiso e amanang le litlhophiso tsa likou tsa MLAG. Setupo se tšoana le ho theha "virtual-router" e tloaelehileng.
Slot-1 VPEX X670G2-48x-4q.11 # start orchestration mlag "bottom"
(orchestration bottom) Slot-1 VPEX X670G2-48x-4q.12 # exit
Slot-1 VPEX X670G2-48x-4q.13 #
"Borokho bo Laolang" bo fumaneha ka mor'a ho kenya mochine oa mahala bakeng sa EXOS, o nang le .xmod extension. Mojule ona ona o na le litšoantšo tse nchafalitsoeng tsa BPE. Ha e le hantle, ha CB le BPE li hlokomelana, CB e hlahloba mofuta oa firmware o kentsoeng ho BPE, 'me, ha ho hlokahala, o e ntlafatsa ka bo eona.
Lintlha tse ka holimo tsa ts'ebetso li etsa hore ho khonehe ho nkela sebaka sa BPE sebaka ka mokhoa o bonolo le kapele kamoo ho ka khonehang ha ho hlokahala. Kaha li-slots tsa BPE ha li boloke config 'me ha li amahanngoa ka tsela leha e le efe tsamaisong, hang ka mor'a ho nkela sesebelisoa sebaka le ho bulela matla, BPE e tla fumanoa ke SV mme config e teng e tla sebelisoa, hape haeba firmware e nchafalitsoe.
Tharollo ena e loketse hantle bakeng sa marang-rang a nang le tataiso e kholo ea sephethephethe sa Leboea / Boroa, joalo ka marang-rang a khamphase, marang-rang a likhoebo lefapheng la thepa, makala a thuto, litsi tsa khoebo le tse ling. 'Me re pheta hape hore melemo ea marang-rang e hahiloeng holim'a tharollo ea "Extended Extended" e tla ba:
- Ho fokotsa palo ea mekhahlelo ea meralo ea marang-rang ea setso ho tloha ho tlhophiso le pono ea tsamaiso
- Ho bonolo ho sekala le ho tsamaisa
- Ha ho na tlhoko ea ho ba le likhokahano tse inehetseng kapa lihokelo tsa OOB Mgmt ho libaka tsa BPE
- Lilaesense tse fokolitsoeng (ha ho hlokahala, sebetsa feela ho NE)
- Sebaka se le seng sa tlhophiso, ho beha leihlo le ho rarolla mathata
- Hlahisa ho NMS joalo ka switch e le 'ngoe
- Ha ho hlokahale koetliso e eketsehileng kapa katoloso ea basebetsi
Source: www.habr.com