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Girdle Wax posted:GBIC/SFP based ports can only take 1000/full afaik, fixed modules may vary by platform. 1000baseT always requires autonegotiation to work properly. If you have auto on one side, and something else on the other, you usually end up with the AUTO side negotiating to 100/half. This has been my experience with PIXs, 4948s, 6509s, and 7604s.
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May 11, 2007 04:17
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The 3020s do support trunking/port-channeling between each other (see 'media-type internal'; you lose one or more of the 'external' ports, numbered 17-24 on each switch), but you can't do what Nortel refers to as 'split-MLT'. Unfortunately, you're going to be doing active/passive if you want to diversify your connectivity. We have the exact same setup in our environment (HP C-class, Cisco 3020s uplinked to a pair of 4948s, uplinked to a pair of 6509s) and I don't believe that you'll be able to do actual load-balancing on the switches, like you have described.
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Oct 2, 2007 01:21
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