Hi, we've got a pair of old 3745's that are getting upgraded to new 2911's, and I'm trying to run IOS 15.2 on the new routers to get them most current before going into test and production use.
The routers are doing BGP, IPv4, and HSRP, and I'm trying to put one in at a time as to not have to big bang everything at once. I'm putting the one that matters least in first, and basically using the same config as the old one, which was running IOS 11. Almost everything translated pretty easily to version 15, except for the following:
I was using "no ip mroute-cache" on ethernet interfaces, and it says that command is deprecated and I should use the MFIB commands instead. Darn if I know what that means, I believe it was set up so the ethernet interfaces had IP multicast fast switching disabled, which was set up by our vendor 10 years ago so I'm not sure if it matters. It would seem logical to me this would have an impact on HSRP and speed of failover. Does this matter, and if so how in the world do I do this with IOS 15.2?
The second one is the use of "no fair-queue" on our serial connection for a T1. This command isn't there either, and I'm not sure if I even need to bother on this. It was set up on the old router on a T1 Frame Relay circuit.
Any insight would be appreciated--other than these two command everything seems to go fine on the new router. I want to make sure I have everything researched before putting it into production. Thanks!
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