Our access layer is typically a stack of 3750s that connect via port channel to a Cisco 6509 which serves as our distribution layer; all L3 gateways are on our core. We are looking at replacing the 6509 with (~6) switches running CL. We would like to connect each 3750 stack to two CL switches. Is this possible? I have worked through the CL MLAG doc, but it is not completely applicable.
In my GNS3 lab, on the 3750, the two individual ports and the port channel show up. On the CL side, the individual ports show up, but 802.3ad interface to the 3750 is down.
Is anyone aware of a sample config for the above, assuming it is even possible?
Best answer by Tony Skalski
That was it! Thanks. Should have guessed it, because I ran into the same issue (before the holiday weekend) with a Cisco to CL LAG (one switch) and the mode balance-xor made it work. Thanks again. Taking the bootcamp training tomorrow with some co-workers. Very excited!