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Webcast-Catalyst9k
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bridging question, g.shdsl connection

I'm trying to connect two switches with a g.shdsl connection:

switch--Cisco828---<line>---Cisco828--switch

This setup should replace an unstable LRE link.

The 828 routers are each connected to a switch with the ports set in trunking mode. The config below works

fine for VLAN1 traffic, however all other VLANs are not bridged.

bridge irb

!

interface Ethernet0

no ip address

bridge-group 1

!

interface ATM0

no ip address

no atm ilmi-keepalive

dsl equipment-type CO ! set to CPE on the other side

dsl operating-mode GSHDSL symmetric annex B

dsl linerate AUTO

!

interface ATM0.1 point-to-point

bridge-group 1

pvc 0/35

encapsulation aal5snap

!

interface BVI1

ip address 172.25.8.14 255.255.255.0

!

bridge 1 protocol ieee

bridge 1 route ip

So my initial idea was to use dot1Q trunking and create subinterfaces with additional bridge groups for the VLANs required:

interface Ethernet 0.1

encapsulation dot1Q 1

bridge-group 1

!

interface Ethernet 0.2

encapsulation dot1Q 2

bridge-group 2

!

interface ATM0.1 point-to-point

bridge-group 1

pvc 0/35

encapsulation aal5snap

!

interface ATM0.2 point-to-point

bridge-group 2

pvc 0/36

encapsulation aal5snap

!

!

bridge 1 protocol ieee

bridge 1 route ip

bridge 2 protocol ieee

But....the 828 does not support dot1Q encapsulation on the ethernet port. Anyone has an idea on how to solve this? A layer 2 connection is required for the security gateway (security is based on mac addresses).

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