Cisco Support Community
cancel
Showing results for 
Search instead for 
Did you mean: 
Announcements

Welcome to Cisco Support Community. We would love to have your feedback.

For an introduction to the new site, click here. If you'd prefer to explore, try our test area to get started. And see here for current known issues.

New Member

GigaStack GBIC Flapping

There has been problems with our network when the switches power up, the GigaStack starts flapping and continues to flap loosing network connectivity intermittently. Is there any way to keep this from happening?

5 REPLIES
New Member

Re: GigaStack GBIC Flapping

Did you find any? It would be helpful if you can post on the forum

New Member

Re: GigaStack GBIC Flapping

The only way we could find that helped a little was to power up every gigastack individually.

New Member

Re: GigaStack GBIC Flapping

Do you have port fast enabled on that gig port. If that gigport is connected to any switch, it will cause this kind of problem.

New Member

Re: GigaStack GBIC Flapping

No, they are trunking port and portfast is disabled on those ports.

New Member

Re: GigaStack GBIC Flapping

What module are U using, it may be the module is fault.

Regards

Mc

184
Views
0
Helpful
5
Replies