[f-nsp] Routed sub interfaces?

[Erich Hohermuth]

Matthew,

You won't like it but there is no such concept as Subinterface on the Netiron Serie.

You have multiple Workarounds.

a) Use different VLAN from your upstream

Real Workarounds

b) Use the 802.3ah metro Features and S-VLAN type change

c) Use a loopback cable, local-vll, rewrite vlan features.

Maybe there are new possibilities since 5.6.

Regards Erich



> Am 29.12.2014 um 12:13 schrieb Matthew <matthew at tav.id.au>:
> 
> Hi,
> 
> We are moving from a Cisco ASR1002 to a Brocade CER2000RT but I can't see any way to do routed sub interfaces (router on a stick) from looking through the configuration guide.  For example, on the ASR we'd have gi1/1 going to provider X and gi1/2 going to provider Y with managed ethernet circuits delivered on the same VLAN tags. The config would look something like the example below and this wouldn't be an issue as vlan tag 10 on gi1/1 would be separate from vlan tag 10 on gi1/2.
> 
> int gi 1/1
> desc Trunk to provider X
> 
> int gi 1/1.10
> desc Link to Site A
> encap dot1q 10
> ip add 192.168.1.1 255.255.255.252
> 
> int gi 1/2
> desc Trunk to provider Y
> 
> int gi 1/2.10
> desc Link to Site B
> encap dot1q 10
> ip add 192.168.2.1 255.255.255.252
> 
> However from reading the configuration guide, to do this on a CER we would make e1/1 and e1/2 tagged ports in vlan 10 but then the virtual routing interface (ve10) for vlan 10 would be reachable via both Site A and B. What are people doing in this situation to keep vlan 10 from e1/1 separate from vlan 10 on e1/2?
> 
> Thanks,
> Matthew
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