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Posted by dragonwarlord on June 7, 2005, 5:21 am
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I am trying to connect a Cisco 2950 10/100 switch to our Passport 8600.
I am trying to connect two ports between the two switches. Cisco calls
this etherchannel and Nortel calls it MLT. I am trying to use the
standard LACP(802.3ad) to connect the two ports together. Our Passport
is running 3.7.4 code version. Looking for help in configuring this. So
far I have not been able to get any of the ports to come up. According
to some google searches, they are supposed to be compatible using the
standard. Has anyone setup anything like this between Nortel and Cisco?
So far this is what I have configured on the switches. Any comments
would be appreciated.
Cisco - I have tried all the different modes.
Switch(config)# interface type mod/num
Switch(config-if)# channel--protocol lacp
Switch(config-if)# channel--group number mode {onn | passive | active}
Switch(config-if)# lacp port--priority priority
Nortel
config mlt 4 create
config mlt 4 lacp enable
config mlt 4 lacp key 1
config ethernet 10/2 lacp key 1
config ethernet 10/4 lacp key 1
config ethernet 10/2 lacp aggregation true
config ethernet 10/4 lacp aggregation true
config ethernet 10/2 lacp enable
config ethernet 10/4 lacp enable
config lacp enable
Thanks in advance.
Billy
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Posted by on June 7, 2005, 10:22 am
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TX or fiber ?
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Posted by dragonwarlord on June 8, 2005, 5:07 am
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Just using the 100Mb ports on both sides. Eventually what I would like
to do if I get it working is use a 3750 stack and connect back to the
8600 with 2Gb ports.
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Posted by on June 10, 2005, 6:21 am
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MTU is a problem between Cisco & Nortel. NO autonegotiate.
Do you have a link lite on either side?
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Posted by dragonwarlord on June 13, 2005, 5:47 am
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I actually got this to work on Friday. I had to set the ports to manual
Full/100 and the links came up. I did run into another problem. Once
the links came up, on of our BPS2000 swithces hosed up. I had to unplug
the Cisco switch and restart the BPS. Strange thing is there are no
loops, the switches are on different networks. I am wondering if there
is some type of conflict between Cisco IOS and BPS 2000 switches. I had
a simialar problem one time before where I was plugging a Cisco 2950
into a BPS and it was knocking people off the network. As soon as I
would unplug the switch the problem would clear up. I was using the
Cisco switch with it's default config. I can list the commands that
ended up working if anyone is intrested.
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