[c-nsp] bvi stays up even when no pw's are up in bridge-domain - XR 4.1.2

[Vitkovský Adam]

Hi Aaron,

Are there any attachment circuits active in the bridge-domain? 
The BVI is supposed to stay up only if there is any active bridge port being it an AC or PW. 
And the line protocol is up when BD is up and the IP is not in conflict. 

adam
> -----Original Message-----
> From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
> Aaron
> Sent: Friday, May 02, 2014 11:21 PM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] bvi stays up even when no pw's are up in bridge-domain - XR
> 4.1.2
> 
> Anyone know why this bvi stays up up even though there aren't any L2
> interfaces/pw's up in this bridge-domain?
> 
> 
> 
> I would like the BVI interface to go down down when there are no underlying
> layer 2 connections to be serviced.
> 
> 
> 
> This was the way ios switches have always operated. not sure why this isn't
> acting the same.
> 
> 
> 
> Aaron
> 
> 
> 
> 
> 
> RP/0/RSP0/CPU0:9k#sh run l2v br gr v45
> 
> 
> 
> l2vpn
> 
> bridge group v45
> 
>   bridge-domain v45
> 
>    neighbor 10.101.12.250 pw-id 45
> 
>     backup neighbor 10.101.12.251 pw-id 45
> 
>     !
> 
>    !
> 
>    routed interface BVI45
> 
>   !
> 
> !
> 
> !
> 
> 
> 
> 
> 
> RP/0/RSP0/CPU0:9k#sh l2v br gr v45
> 
> 
> 
> Bridge group: v45, bridge-domain: v45, id: 4, state: up, ShgId: 0, MSTi: 0
> 
>   Aging: 300 s, MAC limit: 4000, Action: none, Notification: syslog
> 
>   Filter MAC addresses: 0
> 
>   ACs: 1 (1 up), VFIs: 0, PWs: 2 (0 up), PBBs: 0 (0 up)
> 
>   List of ACs:
> 
>     BV45, state: up, BVI MAC addresses: 2
> 
>   List of Access PWs:
> 
>       Neighbor 10.101.12.250 pw-id 45, state: down, Static MAC addresses: 0
> 
>       Neighbor 10.101.12.251 pw-id 45, state: down, Static MAC addresses: 0,
> backup
> 
>   List of VFIs:
> 
> 
> 
> RP/0/RSP0/CPU0:9k#ibv1 bvi 45
> 
> RP/0/RSP0/CPU0:9k#sh ip vrf one int br bvi 45
> 
> Fri May  2 16:17:16.744 CDT
> 
> 
> 
> Interface                      IP-Address      Status
> Protocol
> 
> BVI45                          1.2.3.3    Up                    Up
> 
> 
> 
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