Hi Marc, If you remove the channel-group information for the moment from one of your switches, when you do a "show interface trunk" and "show interface status" does everything look as expected?
Cheers, Adam On Mon, Nov 21, 2011 at 6:58 AM, marc abel <[email protected]> wrote: > Yes they do. > > Cat1 > ________________________ > > interface FastEthernet0/23 > switchport trunk encapsulation dot1q > switchport mode dynamic desirable > channel-group 12 mode active > ! > interface FastEthernet0/24 > switchport trunk encapsulation dot1q > switchport mode dynamic desirable > channel-group 12 mode active > ! > > > Cat2 > ___________________________ > > interface FastEthernet0/23 > switchport trunk encapsulation dot1q > switchport mode dynamic desirable > channel-group 12 mode active > ! > interface FastEthernet0/24 > switchport trunk encapsulation dot1q > switchport mode dynamic desirable > channel-group 12 mode active > ! > > On Sun, Nov 20, 2011 at 2:50 PM, Adam Booth <[email protected]> wrote: > > Hi Marc, > > > > Do Fa0/23 and Fa0/24 have the same configurations? For example is one > port > > switch access for instance, with the other able to negotiate a trunk > using > > DTP? > > > > Perhaps look at hard setting the interfaces to what you want > > > > switchport trunk encapsulation dot1q > > switchport mode trunk > > switchport nonegotiate > > > > Cheers, > > Adam > > > > On Mon, Nov 21, 2011 at 5:54 AM, marc abel <[email protected]> wrote: > >> > >> I have two dynamic desirable trunks configured as an ether-channel and > >> one keeps un-bundling > >> > >> Nov 20 19:49:06.347: %EC-5-CANNOT_BUNDLE2: Fa0/23 is not compatible > >> with Fa0/24 and will be suspended (trunk mode of Fa0/23 is access, > >> Fa0/24 is trunk) > >> Nov 20 19:49:07.335: %LINEPROTO-5-UPDOWN: Line protocol on Interface > >> FastEthernet0/23, changed state to down > >> > >> > >> It then comes back up and everything seems fine for a bit and then it > >> happens again. Any idea what the issue could be or how to > >> troubleshoot? Obviously I could configure them as statically trunking > >> but a lab requirement prevents this. > >> > >> Thank you, > >> > >> Marc > >> _______________________________________________ > >> For more information regarding industry leading CCIE Lab training, > please > >> visit www.ipexpert.com > >> > >> Are you a CCNP or CCIE and looking for a job? Check out > >> www.PlatinumPlacement.com > >> > >> To Unsubscribe from this list please visit the following link and follow > >> the directions to unsubscribe. > >> http://onlinestudylist.com/mailman/listinfo/ccie_rs > > > > > _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com To Unsubscribe from this list please visit the following link and follow the directions to unsubscribe. http://onlinestudylist.com/mailman/listinfo/ccie_rs
