You can set a channel with desirable on both sides of a link... you can't with auto/auto or anything with one side set to off, for obvious reasons...
What VLANs are the trunks set to carry? The VLAN settings must be identical, as well as duplex and negotiation... ----- Original Message ----- From: "Carroll Kong" To: Sent: Sunday, October 21, 2001 1:14 PM Subject: Re: Problem with Etherchannel [7:23692] > You cannot do both as desirable. One must be desirable and the > other auto. Or you can try forcing the modes to "on" and "on". That might > fix it! > > At 12:57 PM 10/21/01 -0400, Brad Moss wrote: > >I am trying to connect two cat5500s and am unable to get port channel to > >come online. I have configured both sides below is the config of the ports. > >Any help would be greatly appreciated. These are production switches the > >only thing I have to done is reboot them. For some reason they are not > >recognizing that they are connect to the same switch on the other end of > >either link. I am unaware on any "special" things that must happen for port > >channeling both blades support it. > > > > > >Set po channel 8/3-4 mode desirable > >Set trunk 8/3 isl on > >Set trunk 8/4 isl on > > > >Set po channel 1/1-2 desirable > >Set trunk 1/1 isl on > >Set trunk 1/2 isl on > > > >Port Name Status Vlan Level Duplex Speed Type > >----- ------------------ ---------- ---------- ------ ------ ----- -------- - > >--- > > 8/3 connected trunk normal full 100 > 100BaseFX > >MM > > > >Port Status Channel Admin Ch > > Mode Group Id > >----- ---------- -------------------- ----- ----- > > 8/3 connected desirable non-silent 157 0 > > > >Port Name Status Vlan Level Duplex Speed Type > >----- ------------------ ---------- ---------- ------ ------ ----- -------- - > >--- > > 8/4 connected trunk normal full 100 > 100BaseFX > >MM > >Port Status Channel Admin Ch > > Mode Group Id > >----- ---------- -------------------- ----- ----- > > 8/4 connected desirable non-silent 157 0 > > > >SJMDFSW01> (enable) sho po channel > >No ports channeling > > > >Port Name Status Vlan Level Duplex Speed Type > >----- ------------------ ---------- ---------- ------ ------ ----- -------- - > >--- > > 1/1 Uplink SJMDFSW01 connected trunk normal full 100 > 100BaseFX > >MM > > > >Port Status Channel Channel Neighbor Neighbor > > mode status device > port > >----- ---------- --------- ----------- ------------------------- ---------- > > 1/1 connected desirable not channel > > > >Port Name Status Vlan Level Duplex Speed Type > >----- ------------------ ---------- ---------- ------ ------ ----- -------- - > >--- > > 1/2 Uplink SJMDFSW01 connected trunk normal full 100 > 100BaseFX > >MM > > > >Port Status Channel Channel Neighbor Neighbor > > mode status device > >port > >----- ---------- --------- ----------- ------------------------- ---------- > > 1/2 connected desirable not channel > > > >SJDCSW02> (enable) sho po channel > >No ports channelling > > > > > >Brad Moss, CCNA > >Network Administrator > >CHRISTUS St. Joseph's Medical Center - South > >www.christushealth.org > >(903) 737-3160 > >[EMAIL PROTECTED] > -Carroll Kong Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=23715&t=23692 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
