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Beginner

Port-channel 1g and 10 gig in same channel ?

Hi All

Can i put a 10 gig fibre link in the same port-channel as a 1 gig fibe link?

I assumed not as etherchannel configuration should be exactly the same

for all the bound links.

But if i try it with an down 1 gig link it seems to bind.

Can someone tell me if this works before i try it

Kind Regards

Steve

6 REPLIES 6
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Beginner

Hi Steve,

You can use different speed interface in the port channel, not it's a very good solution but you can use. The limit is the number of member normaly 8.

Regards,

Mauricio

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It is not true. The configuration guide line clear indicated the speed and duplex of the interfaces in the PO have to be the same.

http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/configuration/guide/channel.html#wp1020420

Configure all LAN ports in an EtherChannel to operate at the same speed and in the same duplex mode.

HTH,

jerry

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Jeye is correct all ports in a channel must be the same bandwidth .   For negotiated etherchannel it will probably just reject it and not build the channel anyway.

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You can use different speed members in a port channel, but in both sides need

to have the same speed and duplex

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Beginner

on top of the configuration; from 3750 config guide, the interfaces should be the same.

http://www.cisco.com/en/US/docs/switches/lan/catalyst3750/software/release/12.2_44_se/configuration/guide/swethchl.html

Configure a PAgP EtherChannel with up to eight Ethernet ports of the same type.

Configure  a LACP EtherChannel with up to16 Ethernet ports of the same type. Up to  eight ports can be active, and up to eight ports can be in standby  mode.

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Beginner

From what I understand thats correct, you cant have mismatched links in a bundle / etherchannel. Think of it this way, if you send packets using WRR (Round Robin), and one link is 10* faster than the other, then by the time packets in links 1-7 have arrived, link 8 (10GbE) could have 100 packets buffered. I do seem to remember however that if you hard-set the link to 1Gb, that way they are all 1gb links the aggregate should still function.

Which switches are you trying to bundle links from/to?

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