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November 13th, 2003 21:00
Trunking PowerConnect 5224 with Cisco 4506
Hi,
What is the recommended way to trunk traffic between a PowerConnect 5224 and a Cisco 4506. The main goal is to set up a trunk consisting of 2 or 4 concurrent connections from the Cisco 4506 to the PowerConnect 5224. I'm no referring to the "trunk mode" in Cisco switches where you use ISL to be able use central VLAN setups. This is only for enabling more traffic than 1 Gbps (and more connections resulting in less latency) between the switches.
Are you supposed to use Fast EtherChannel on the Cisco side and Link Aggregation on the Dell device and if so what are the recommendations for configuring this.
Thanks in advance!
Best Regards,
Michael Abrahamsson
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GregG1
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November 14th, 2003 10:00
What has worked best with a Catalyst 6509 is to use PAgP for the port-channel mode on the Cisco and configure a static link-aggregation group (port trunk) on the Dell switch. This should be the same for the Cat 4506.
LACP does not seem to work very well between the two vendors.
jwilliamson3
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January 21st, 2004 18:00
Does this really work, with the Cisco set for PAgP and the Dell with a static group?
The Cisco documentation seems to point to using the port-channel mode "on" instead of "desirable/PAgP" for connection to static link-aggregated groups.
I have a customer with problems with the Cisco in the "port-channel on" and the Dell 5224 in a static configuration, and was wondering if it would work if the Cisco were in "desirable/PAgP" mode.
GregG1
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January 22nd, 2004 11:00
What worked best on our 6509 was the following:
Change the channel protocol to PAGP using the command "set channelprotocol PAGP "
Create the channel-group using the command "set port channel mode on"