[j-nsp] VPLS stuck in VC-Dn - inet.3 lookup problem

Alberto Santos albertofsantos at gmail.com
Mon Jun 22 18:39:04 EDT 2015


Hi,

I'm set upping VPLS + Inter AS option B with the following topology and I'm
noticing a lookup problem between ASBRs.

LAN |--(AC)-----PE-----P----ASBR1----ASBR2----(AC)------| LAN

since I'm only running eBGP family l2vpn, ASBR2 does not have any other
route in inet3 that could be use to bring the vpls connection up.

I tried to setup a /32 static route, it fixed the VPLS singling, but I'm
still not learning any MAC address through VPLS.

has anyone experienced that before?


ASBR2

user at ASBR2-re0# run show route 192.168.1.1

inet.0: 17 destinations, 18 routes (17 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both

192.168.1.0/30     *[Direct/0] 4d 06:01:43
                    > via xe-1/0/0.100


Instance: VPN2000
  Local site: Site(3)
    connection-site           Type  St     Time last up          # Up trans
    1                         rmt   VC-Dn  Jun 23 00:21:05 2015           1
      Remote PE: 192.168.1.1, Negotiated control-word: No
      Incoming label: 800080, Outgoing label: 800002
      Local interface: vt-1/1/10.1049344, Status: Up, Encapsulation: VPLS
        Description: Intf - vpls VPN2000 local site 3 remote site 1
---------------------------




 run show route
inet.0: 17 destinations, 18 routes (17 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both

192.168.1.0/30     *[Direct/0] 4d 06:16:57
                    > via xe-1/0/0.100

inet.3: 4 destinations, 4 routes (4 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both

192.168.1.1/32     *[Static/5] 00:13:27
                      to table inet.0


 run show vpls connections
    1                         rmt   Up     Jun 23 00:23:32 2015           2
      Remote PE: 192.168.1.1, Negotiated control-word: No
      Incoming label: 800080, Outgoing label: 800002
      Local interface: vt-1/1/10.1049344, Status: Up, Encapsulation: VPLS
        Description: Intf - vpls VPN2000 local site 3 remote site 1




BR
Alberto


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