Creating Etherchannels on Cat 4503

Unanswered Question
Feb 9th, 2009
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Not so much a problem but a question.


I'd like to create multiple ether channels spanning across two module blades - 4 interfaces per blade to a single server (8 interfaces in total), how would you recommend this be configured? If one blade goes down, will the etherchannel break/shutdown or can we setup some kind of redundancy between the 2 blades?


Thanks for your help


Cisco IOS Software, Catalyst 4000 L3 Switch Software (cat4000-I9S-M), Version 12.2(25)EWA10, RELEASE SOFTWARE (fc1)

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babatunde_sanda Mon, 02/09/2009 - 20:10
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To make it permanently on


Interface range Gi0/1 - 4

Channel-group 1 mode on



Or

To make it use LACP

Interface range Gi0/1 - 4

Channel-group 1 mode active

Channel protocol lacp (technically speaking this line is not needed because the switch knows you are using LACP with the previous command)


To make it use PAGP

Interface range Gi0/1 - 4

Channel-group 1 mode desirable

Channel protocol PAGP (technically speaking this line is not needed because the switch knows you are using PAGP with the previous command)




Now on opposite ends


To make it permanently on


Interface range Gi0/1 - 4

Channel-group 1 mode on



Or

To make it use LACP

Interface range Gi0/1 - 4

Channel-group 1 mode passive

Channel protocol lacp (technically speaking this line is not needed because the switch knows you are using LACP with the previous command)


To make it use PAGP

Interface range Gi0/1 - 4

Channel-group 1 mode on

Channel protocol PAGP (technically speaking this line is not needed because the switch knows you are using PAGP with the previous command)


Rules:

The ports must have the same configurations. ie if they are trunks which in this case I recommend since you want to carry traffic between both. Same duplex, speed or just native port configuration mode.




Pls rate if it helps.


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