[c-nsp] ASR903 BDI interface (how to do L3 on a VLAN?)

Pshem Kowalczyk pshem.k at gmail.com
Tue Jun 3 17:27:59 EDT 2014


Hi,

Your config should work. Do you have 'bridge-domain 10' in your config as well?

kind regards
Pshem

On 4 June 2014 02:14, Vitkovský Adam <adam.vitkovsky at swan.sk> wrote:
> Hi folks,
> How do you guys configure L3 routing for VLANs on ASR903 please?
> I have tried with BDI interface and can't get it to work.
> Comes with a warning:
> WARNING:Routing may not work properly if you have a BDI and a tagged EFP together on a Bridge Domain.
> So I've tried putting "encapsulation dot1q 10" under the BDI than tried to remove the pop operation on a service instance but no change.
> Still can't ping across
>
> Do I need to enable integrated routing and bridging or what am I missing please?
>
> Original configs:
>
> ASR903":
>  interface GigabitEthernet0/1/2
>  description [TAG] to a901-03 g0/0
>  dampening
>  mtu 9000
>  no ip address
>  load-interval 30
>  negotiation auto
>  service instance 10 ethernet
>   description [TAG] to a901-06 g0/10
>   encapsulation dot1q 10
>   rewrite ingress tag pop 1 symmetric
>   bridge-domain 10
>  !
> interface BDI10
>  description [TAG] to a901-06 int vlan 10
>  ip address 13.6.20.6 255.255.255.0
>
> a903-02#sh arp
> Protocol  Address          Age (min)  Hardware Addr   Type   Interface
> Internet  13.6.20.6               -   d0c2.8217.37bf  ARPA   BDI10
>
>
> ASR901:
> interface GigabitEthernet0/10
>  description [TAG] to a903-02 gi0/1/2
>  negotiation auto
>  service instance 10 ethernet
>   description [TAG] to a903-02 gi0/1/2
>   encapsulation dot1q 10
>   rewrite ingress tag pop 1 symmetric
>   bridge-domain 10
>  !
> interface Vlan10
>  description [TAG] to a903-02 int vlan 10
>  ip address 13.6.20.20 255.255.255.0
>
> a901-06#sh arp
> Protocol  Address          Age (min)  Hardware Addr   Type   Interface
> Internet  13.6.20.6               0   Incomplete      ARPA
> Internet  13.6.20.20              -   4055.3989.7350  ARPA   Vlan10
>
> adam
>
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