Heads Up :
The post you are writing will appear in a public forum. Please ensure all content is appropriate for public consumption. Review the employee guidelines for the community here.
I'm having an issue getting traffic across a trunk link to a router-on-a-stick. I have a Cisco Catalyst 4500 switching VLAN traffic to a Cisco ASR 1000 router. Catalyst links to ASR between int Gi2/11 (Cata) and Gi0/0/3 (ASR). Another device attaches...
You were right. I just swapped out the SFP modules on both the catalyst and ASR. After replacement, both sides of the link are now reachable using ICMP. I do have the Catalyst's VLAN352 interface MAC in the ARP table of the ASR now. It appears that i...
Catalyst switch:
show int trunk
Port Mode Encapsulation Status Native vlan
Gi2/11 on 802.1q trunking 1
Gi2/15 on 802.1q trunking 1
Port Vlans allowed on trunk
Gi2/11 30
Gi2/15 30,40
Port ...
I do see up up on the ASR interface and subinterface, and Catalyst switch interface and VLAN interface. I cannot ping from either side, which is the source off my confusion. I’ve double checked syntax and have tried specifying a source IP (or VLAN). ...
I actually have a default route on the catalyst to another interface on theASR. But, that shouldnt matter, should it? Since these two interfaces arein the same subnet, they should be reachable at the link layer.I ultimately hope to use this VLAN with...
