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etherchannel and stp
I thought Etherchannel used Port aggregation protocol to dynamically enable channels. Anyway, I would never recommend turning off spannning tree. Also, the 2948G-L3 sees every port as a routed interface. Did you set up a bridge group (I think that's what they're called) so that both ports on... -
Configuring 4006 for vlan
I assume that you have a Cat4006 with a layer 3 services engine. This basically provides two internal Gigabit ports from the switch to the router module. This ports must be setup to trunk VLAN's (like router on a stick). This link explains how to configure it... -
7200 and GigE
I'm not sure what you mean by instability. However, the GigE port adapters on the 7200 will not run at wire rate. This is due to the architecture of the router and the processing engine. But I don't see any reason why they should cause instability. That should be down to the IOS running on the... -
looking at cisco switches
you might want to look at the newer 2950 series switches. Same price as 2900's but better performance, QoS, etc. These will gradually replace the 2900 series. There's a 2950C-24. This has 24 10/100 ports plus 2 100baseFX uplinks. -
WIC not recognized in c2600
I'd go for 12.1.5T. It's probably the best one that supports that VWIC. I wouldn't touch 12.2.1 until it becomes more stable. In case you're wondering, the G.703 VWIC supports clear channel/unframed G.703. This means that it can run at the full 2.048Mbps. The E1 version does not.
