For more information regarding the security incident at F5, the actions we are taking to address it, and our ongoing efforts to protect our customers, click here.

Forum Discussion

Fotios_30046's avatar
Fotios_30046
Icon for Nimbostratus rankNimbostratus
Oct 12, 2009

Proper Way To Connect Two 3400's To Two Cisco 6509's

We have an active/passive set of 3400's connected to a single switch. Each 3400 is connected with all 8 interfaces in one large trunk port with several vlans on top of the trunk port. We're adding a...
config
design
btray_9390's avatar
btray_9390
Icon for Nimbostratus rankNimbostratus
Nov 19, 2009
That is the crazy part though. If both uplinks go to one cisco both ports come up, they only stop working when one uplink goes to one cisco and the other uplink goes to cisco number 2. if the working cable is plugged into the non-working port on the LB, it works....

 

 

Both LBs have the exact same issue. 2 uplinks to one cisco, both ports come up. 1 link to each cisco, only one port comes up.

 

 

These are LTM 6400's to cisco 6500's. GigE ports, cisco GBICs to copper.