[c-nsp] 4500-X VSS %EC-5-CANNOT_BUNDLE2
CiscoNSP List
cisconsp_list at hotmail.com
Wed Mar 13 18:14:27 EDT 2013
Thanks Rick - Can you please confirm what version of IOS-XE you are running?
Mine are running 03.04.00.SG
Cheers.
> Date: Wed, 13 Mar 2013 17:36:58 -0400
> From: coloccia at geneseo.edu
> To: cisconsp_list at hotmail.com
> CC: diosbejgli at gmail.com; cisco-nsp-bounces at puck.nether.net; cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] 4500-X VSS %EC-5-CANNOT_BUNDLE2
>
> I'm not ignoring this thread, I'm trying to remember what made it work
> for me. My 4500Xs are in production now, so I can't just go in the back
> and play with it.
>
> No one from Cisco out there can grab two in a lab and play with this?
>
> I remember having a really hard time making this work because there
> wasn't a guide for building a vss pair of 4500Xs out there. I glued
> things together from documentation for vss on a 6K and 7K to make it work.
>
> I will go through my saved ssh/serial logs and captures, I may have some
> golden nuggets in there.
>
> -Rick
>
>
>
>
> On 3/13/2013 4:47 PM, CiscoNSP List wrote:
> >
> > Hi Andras,
> >
> > Exactly the same result:
> >
> >
> > sw1(config-if)#*Mar 13 12:45:50.936: %EC-5-CANNOT_BUNDLE2: Te1/16 is not compatible with Po5 and will be suspended (trunk mode of Te1/16 is dynamic, Po5 is trunk)
> >
> >
> > Date: Wed, 13 Mar 2013 12:24:27 +0100
> > Subject: Re: [c-nsp] 4500-X VSS %EC-5-CANNOT_BUNDLE2
> > From: diosbejgli at gmail.com
> > To: cisconsp_list at hotmail.com
> > CC: cisco-nsp at puck.nether.net; cisco-nsp-bounces at puck.nether.net
> >
> > And if you add "switchport" and "switch virtual link 1" on the port-channel before adding Te1/16 as a member interface, like below?
> > int po5 switchport
> > switch virtual link 1
> > int te1/16 channel-group 5 mode on
> > Best regards,Andras
> >
> >
> >
> > On Wed, Mar 13, 2013 at 4:57 AM, CiscoNSP List <cisconsp_list at hotmail.com> wrote:
> >
> >
> >
> >
> >
> >
> > Thanks Andras -
> >
> > I removed portchan5, defaulted te1/16, re-added portchan5 and then only added "channel-group 5 mode on" under te1/16, and still get the following error:
> >
> >
> > *Mar 12 19:51:33.155: %EC-5-CANNOT_BUNDLE2: Te1/16 is not compatible with Po5 and will be suspended (trunk mode of Te1/16 is dynamic, Po5 is trunk)
> >
> >
> > These are 2 new switches, so dont have smartnet on them (yet)....Ill get smartnet this week and open a TAC case as it does look like it is a bug.
> >
> > Thanks again for your help.
> >
> >
> >
> > Date: Wed, 13 Mar 2013 03:14:14 +0100
> > Subject: Re: [c-nsp] 4500-X VSS %EC-5-CANNOT_BUNDLE2
> > From: diosbejgli at gmail.com
> >
> > To: cisconsp_list at hotmail.com
> > CC: gert at greenie.muc.de; cisco-nsp at puck.nether.net; cisco-nsp-bounces at puck.nether.net
> >
> >
> > Those config lines are added because it's a VSL (Virtual Switch Link) between the two VSS boxes.
> > When you configure VSL, all existing configurations are removed from the interface except for specific allowed commands. When you configure VSL, the system puts the interface into a restricted mode. This means that only specific configuration commands can be configured on the interface.
> >
> >
> > The following VSL configuration commands are inserted automatically on all VSL member ports:switchport mode trunk
> > switchport nonegotiate
> > no lldp transmit
> >
> >
> > no lldp receive
> > no cdp enable
> > service-policy output VSL-Queuing-Policy
> >
> >
> > Also note the following:In VSL restricted mode, only these configuration commands are available:
> >
> > channel-group
> > ...
> > This seems to suggest that you should not try to configure switchport commands on your VSL link. Please see the Configuration Guide below for details:
> >
> >
> > http://www.cisco.com/en/US/docs/switches/lan/catalyst4500/15.1.2/XE_340/configuration/guide/vss.html
> >
> >
> >
> >
> > If you still find that there's an error in the simple process of adding interfaces to the port-channel when it's used as a VSL, then I'd suggest to open a TAC case because it might be a new bug, given that VSS on 4500 is a pretty new feature, but it seems you just don't need to mess with switchport config on VSL ports.
> >
> >
> > Best regards,Andras
> >
> >
> > On Wed, Mar 13, 2013 at 12:39 AM, CiscoNSP List <cisconsp_list at hotmail.com> wrote:
> >
> >
> >
> >
> >
> >
> > Thanks for the reply Gert.
> >
> >
> >
> > On the 4500X, the sequence is (As you describe):
> >
> >
> >
> > Create portchan, then add portchan to physical/member Int.
> >
> >
> >
> > For VSS on the 4500X, it is:
> >
> >
> >
> > SW1(config)#int port-channel 5
> >
> > SW1(config-if)#switchport
> >
> > SW1(config-if)#switch virtual link 1
> >
> > SW1(config-if)#no shut
> >
> > SW1(config-if)#exit
> >
> >
> >
> >
> >
> > SW1(config)#int TenGigabitEthernet1/16
> >
> > SW1(config-if)#switchport mode trunk
> >
> > SW1(config-if)#channel-group 5 mode on
> >
> >
> >
> >
> >
> > The 4500X then "automagically" adds the following to the physical Int (And also restricts what commands you can enter on the member Interface)
> >
> >
> >
> > switchport nonegotiate
> >
> > no lldp transmit
> >
> > no lldp receive
> >
> > no cdp enable
> >
> > service-policy output VSL-Queuing-Policy
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >> Date: Tue, 12 Mar 2013 09:39:58 +0100
> >> From: gert at greenie.muc.de
> >> To: cisconsp_list at hotmail.com
> >> CC: ed at edgeoc.net; cisco-nsp-bounces at puck.nether.net; cisco-nsp at puck.nether.net
> >
> >
> >> Subject: Re: [c-nsp] 4500-X VSS %EC-5-CANNOT_BUNDLE2
> >> Hi,
> >> On Tue, Mar 12, 2013 at 12:42:46PM +1100, CiscoNSP List wrote:
> >>> Portchan conf (That fails): (Hotmail will probably screw the formatting):
> >>> interface Port-channel5
> >>> switchport
> >>> switchport mode trunk
> >>> switchport nonegotiate
> >>> switch virtual link 1
> >>> And Int conf:
> >>> interface TenGigabitEthernet1/16 switchport mode trunk
> >>> switchport nonegotiate
> >>> no lldp transmit
> >>> no lldp receive
> >>> no cdp enable
> >>> channel-group 5 mode on
> >>> service-policy output VSL-Queuing-Policy
> >> Don't configure stuff on member interfaces after joining a channel. Ever.
> >> (IOS should just disallow this in the first place)
> >> The "right" sequence of things is:
> >> int te1/16
> >> switchport
> >> channel-group 5 mode on
> >> no shut
> >> and then *everything else* is configured under "int port-channel 5", including
> >> trunk/no trunk, vlans, service-policy, ...
> >> (For some stupid reasons, switchport/no switchport needs to be set on the
> >> interface first, before joining the channel)
> >> gert
> >> --
> >> USENET is *not* the non-clickable part of WWW!
> >> //www.muc.de/~gert/
> >> Gert Doering - Munich, Germany gert at greenie.muc.de
> >> fax: +49-89-35655025 gert at net.informatik.tu-muenchen.de
> >
> >
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> >
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> >
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> --
> Rick Coloccia, Jr.
> Network Manager
> State University of NY College at Geneseo
> 1 College Circle, 119 South Hall
> Geneseo, NY 14454
> V: 585-245-5577
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