5700HI--VPLS kompella bgp AD with cisco

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  Issue Description

        Customer want use VPLS kompella with BGP Auto-discovery feature between Huawei S5700HI (V200R005C00SPC500) and Cisco ISR 4451 (version 15.5),but after configuration, customer found that the VPLS not working.

The topology as bellow


172.16.32.2 is Huawei S5700.

172.16.21.1 is Cisco ISR4451

The IGP is IS-IS.

Alarm Information

N/A

Handling Process

1 check the IGP configuration and the status.--normal

2 check the BGP configuration and status------normal

3 check the VPLS status.-----abnormal
 
Check the Vpls configuration:

Huawei S5700:

 
vsi VPLS201
 
 pwsignal bgp
 
  route-distinguisher 64500:10201
 
  mtu-negotiate disable

 encapsulation rfc4761-compatible
  
interface Vlanif201

 l2 binding vsi VPLS201
 
bgp 64500
 
  l2vpn-ad-family

  undo policy vpn-target
 
  peer 172.16.21.1 enable

  peer 172.16.21.1 advertise-community
Cisco ISR 4451:

bridge-domain   201
  
l2 vfi VPLS201   autodiscovery
 
 vpn id 10201

 bridge-domain 201
 
 mtu 1546
  
 vpls-id 64500:10201

 rd 64500:10201

 route-target export 64500:10201

 route-target import 64500:10201
  
 no auto-route-target
 
router bgp 64500

 address-family l2vpn vpls

  no bgp default route-target filter

  neighbor IBGP send-community both

  neighbor IBGP route-reflector-client

  neighbor IBGP suppress-signaling-protocol   ldp

  neighbor 172.16.32.2 activate

  neighbor 172.16.32.2 send-community both
 
  neighbor 172.16.32.2   suppress-signaling-protocol ldp
Root Cause:

       After check the configuration, we found some feature not match between Huawei and cisco.

Solution:

       Change the configuration both from the Huawei and cisco.

Huawei S5700:
 
vsi VPLS201 auto
 
 pwsignal bgp

    route-distinguisher 64500:10201

  vpn-target   64500:10201 import-extcommunity
 
  vpn-target   64500:10201 export-extcommunity
  
  encapsulation   rfc4761-compatible
  
  site 1 range   100 default-offset 1
  
 encapsulation   ethernet
  
interface Vlanif201
  
 description   VPLS201
  
 l2 binding vsi   VPLS201
   
bgp 64500
  
l2vpn-ad-family
  
  policy   vpn-target
  
  signaling vpls
  
  peer   172.16.21.1 enable
  
  peer   172.16.21.1 advertise-community

Cisco ISR 4451

l2vpn vfi context VPLS201
  
 vpn id 10201
  
 autodiscovery   bgp signaling bgp
  
  ve id 2
  
  ve range 100
  
  rd 64500:10201
  
  route-target   export 64500:10201
  
  route-target   import 64500:10201
 
template type pseudowire VPLS201
  
 encapsulation   mpls
  
 vc type ethernet
  
 mtu 1546

bridge-domain 201
  
 member   Ethernet-Internal1/0/0 service-instance 201
  
 member vfi   VPLS201
     
router bgp 64500
  
address-family l2vpn vpls
  
  no bgp default   route-target filter
  
  neighbor IBGP   send-community both
  
  neighbor IBGP   route-reflector-client
  
  neighbor IBGP   suppress-signaling-protocol ldp
  
  neighbor   172.16.32.2 activate
  
  neighbor   172.16.32.2 send-community both
  
  neighbor   172.16.32.2 suppress-signaling-protocol ldp
 
Suggestions:

       Sometimes Huawei and cisco use the difference feature even if it’s same protocol, we need analysis both device function, then find the differences and similarities.
This post was last edited by SupperRobin at 2018-04-20 11:22.
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