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Cisco 4948 - BGP Breaks when device connects to default VLAN

Hello all,

This is the first time I've had to resort to the forums for help and am unfamilial with this level of configuration. This should be the proper place to ask, being that I am dealing with BGP in this set up.

On to the issue. Currently, I have a Cisco 4948 in office that connects to a remote site via BGP. From what I am seeing, when connecting a new device to this switchport (we connect devices to this switch for a multicast VLAN that is set up), the BGP link fails after roughly 20-30 seconds. The switchport is not tagged with a VLAN, or any other config. Just a plain old port. This outage continues until the port is added to the mutlicast VLAN.

Does anyone have any experience with this issue? The config is pretty barebones, and will post it upon request.

Thanks!

-Omni

1 REPLY
VIP Super Bronze

Cisco 4948 - BGP Breaks when device connects to default VLAN

Hi,

Can you provide the config for BGP peering from both switches?

or

sh run from both switches?

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