06-10-2014 05:45 PM - edited 03-07-2019 07:42 PM
Good evening everyone. My brain hurts trying to figure this out. I'm used to Layer 3 switches so this is different.
According to the documentation, this should be allowed using EVC and Bridge Domains. But there is one disclaimer in the documentation... if you've configured a channel-group on a physical ports, you can't have port-channels (or something like that).
I have configured multiple port-channels (for port redundancy), each port-channel having multiple sub-interfaces (for vlan creation on this beast). Each sub-interface has an ip address. Now it has come to my attention that there are two vlans that need to be extended from a remote office (via port-channel 3) to our Core (via port-channel 1). I want to be clear, I am trying to get this router to simply forward layer 2 traffic from port-channel 1 to port-channel 3. I tried the following:
example: vlans 300 and 301 need to be extended.
create additional sub-interfaces like this,...
int port-channel 1.300
encapsulation dot1q 300
int port-channel 1.301
encapsulation dot1q 301
int port-channel 3.300
encap dot1q 300
int port-channel 3.301
encap dot1q 3.301
But that didn't work. I tried evc and bdi but it's confusing as heck. Anyone got any ideas? Is this possible? Can you point me to a resource that can make it crystal clear for me?
Solved! Go to Solution.
06-10-2014 07:50 PM
Hi,
ASR-1006 is a router and so you can't extend vlans through it like a layer-2/3 switch. Sub-interfaces are not like layer-2 trunks. They are layer-3
HTH
06-10-2014 07:50 PM
Hi,
ASR-1006 is a router and so you can't extend vlans through it like a layer-2/3 switch. Sub-interfaces are not like layer-2 trunks. They are layer-3
HTH
06-11-2014 08:34 AM
There aren't any tunneling tools I can use to get this to work are there?
06-11-2014 12:38 PM
Thank you Reza. I was worried about that.
So I have an opportunity to re-configure this entire beast because of this. If I need to make this work, is the ASR the wrong choice or am I just going about it wrong?
I've read that if I had two ASRs I could implement OTV. Does that make sense?
http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/wan_otv/configuration/xe-3s/wan-otv-xe-3s-book/wan-otv-confg.html#GUID-DCB20ADF-1F8E-434B-AE97-54802879F34F
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