Re: Port channel goes in suspension state 6500

From: Larry Hadrava (lhadrava@ipexpert.com)
Date: Tue Mar 17 2009 - 21:52:44 ART


I think your answer lies in the output below:

Mar 17 19:57:13.857 UAE: %EC-SP-5-CANNOT_BUNDLE2: Te2/1 is not compatible
> with Po1 and will be suspended (vlan mask is different)

--
Larry Hadrava
CCIE #12203 CCNP CCNA
Sr. Support Engineer  IPexpert, Inc.
URL: http://www.IPexpert.com

On Tue, Mar 17, 2009 at 6:05 PM, Pavel Bykov <slidersv@gmail.com> wrote:

> Suspended state is one thing. > Violating Etherchannel rules, by configuring the port instad of portchannel > and thus bringing the channel down is completely another. > > On Tue, Mar 17, 2009 at 7:43 PM, Nitin Venugopal <nitinsworld@gmail.com > >wrote: > > > Hi, > > > > While the mails were floating about port channel (suspension), just > > happen > > to get a encounter a realtime issue with a call from customer:) > > > > 6500 - Port channel 1 has (Te 1/1 and 2/1 - Differnt Modules) running > > 12.18SXF (15A) > > > > 1) By mistake customer added a new allowed vlan on one of the port , Te > 1/1 > > --( commad switch port trunk allowed vlan add 96) > > 2) Soon after that the whole Port Channel went down. > > > > I have just started the investigation, but wondering why did the port > > channel go down and why did it suspend the other port 2/1 also. > > > > Best Regard > > Nitin > > > > > > ---------Logs > > > > Mar 17 19:55:04.139 UAE: %EC-SP-5-CANNOT_BUNDLE2: Te1/1 is not compatible > > with Te2/1 and will be suspended (vlan mask is different) > > 001253: Mar 17 19:55:39.671 UAE: %STANDBY-3-DUPADDR: Duplicate address > > 172.24.22.2 on Vlan71, sourced by 001c.0f5f.ef00 > > 001254: Mar 17 19:55:50.924 UAE: %OSPF-5-ADJCHG: Process 1, Nbr > > 172.24.100.8 > > on Vlan100 from FULL to DOWN, Neighbor Down: Dead timer expired > > 001255: Mar 17 19:55:50.928 UAE: %OSPF-5-ADJCHG: Process 1, Nbr > > 172.24.100.8 > > on Vlan30 from FULL to DOWN, Neighbor Down: Dead timer expired > > 001256: Mar 17 19:55:51.117 UAE: %OSPF-5-ADJCHG: Process 1, Nbr > > 172.24.100.8 > > on Vlan94 from FULL to DOWN, Neighbor Down: Dead timer expired > > 001257: Mar 17 19:56:09.805 UAE: %STANDBY-3-DUPADDR: Duplicate address > > 172.24.22.66 on Vlan72, sourced by 001c.0f5f.ef00 > > 001258: Mar 17 19:56:23.506 UAE: %SVCLC-5-FWTRUNK: Firewalled VLANs > > configured on trunks > > Mar 17 19:56:23.501 UAE: %EC-SP-5-CANNOT_BUNDLE2: Te1/1 is not compatible > > with Po1 and will be suspended (vlan mask is different) > > Mar 17 19:56:23.501 UAE: %EC-SP-5-CANNOT_BUNDLE2: Te1/1 is not compatible > > with Po1 and will be suspended (vlan mask is different) > > Mar 17 19:56:23.501 UAE: %EC-SP-5-CANNOT_BUNDLE2: Te2/1 is not compatible > > with Po1 and will be suspended (vlan mask is different) > > Mar 17 19:56:23.513 UAE: %LINEPROTO-SP-5-UPDOWN: Line protocol on > Interface > > TenGigabitEthernet2/1, changed state to down > > Mar 17 19:56:23.517 UAE: %LINEPROTO-SP-5-UPDOWN: Line protocol on > Interface > > Port-channel1, changed state to down > > 001259: Mar 17 19:56:23.598 UAE: %LINEPROTO-5-UPDOWN: Line protocol on > > Interface TenGigabitEthernet2/1, changed state to down > > 001260: Mar 17 19:56:23.602 UAE: %LINEPROTO-5-UPDOWN: Line protocol on > > Interface Port-channel1, changed state to down > > 001261: Mar 17 19:56:23.618 UAE: %LINK-3-UPDOWN: Interface Port-channel1, > > changed state to down > > Mar 17 19:56:23.553 UAE: %LINK-SP-3-UPDOWN: Interface Port-channel1, > > changed > > state to down > > 001262: Mar 17 19:56:29.743 UAE: %OSPF-5-ADJCHG: Process 1, Nbr > > 172.24.100.8 > > on Vlan100 from LOADING to FULL, Loading Done > > 001263: Mar 17 19:56:37.643 UAE: %OSPF-5-ADJCHG: Process 1, Nbr > > 172.24.100.8 > > on Vlan94 from LOADING to FULL, Loading Done > > 001264: Mar 17 19:56:59.625 UAE: %OSPF-5-ADJCHG: Process 1, Nbr > > 172.24.100.8 > > on Vlan48 from FULL to DOWN, Neighbor Down: Dead timer expired > > 001265: Mar 17 19:56:59.625 UAE: %OSPF-5-ADJCHG: Process 1, Nbr > > 172.24.100.8 > > on Vlan32 from FULL to DOWN, Neighbor Down: Dead timer expired > > 001266: Mar 17 19:57:13.919 UAE: %LINK-5-CHANGED: Interface > > TenGigabitEthernet1/1, changed state to administratively down > > Mar 17 19:57:13.857 UAE: %EC-SP-5-CANNOT_BUNDLE2: Te2/1 is not compatible > > with Po1 and will be suspended (vlan mask is different) > > Mar 17 19:57:13.909 UAE: %LINK-SP-5-CHANGED: Interface > > TenGigabitEthernet1/1, changed state to administratively down > > 001267: Mar 17 19:57:15.533 UAE: %LINK-3-UPDOWN: Interface > > TenGigabitEthernet1/1, changed state to down > > Mar 17 19:57:15.533 UAE: %LINK-SP-3-UPDOWN: Interface > > TenGigabitEthernet1/1, > > changed state to down > > 001268: Mar 17 19:57:16.639 UAE: %LINK-3-UPDOWN: Interface > > TenGigabitEthernet1/1, changed state to up > > Mar 17 19:57:16.622 UAE: %LINK-SP-3-UPDOWN: Interface > > TenGigabitEthernet1/1, > > changed state to up > > 001269: Mar 17 19:57:20.104 UAE: %SYS-5-CONFIG_I: Configured from console > > by > > console > > Mar 17 19:57:19.571 UAE: %EC-SP-5-CANNOT_BUNDLE2: Te1/1 is not compatible > > with Po1 and will be suspended (vlan mask is different) > > 001270: .Mar 17 19:58:17.089 UAE: %SVCLC-5-FWTRUNK: Firewalled VLANs > > configured on trunks > > 001271: .Mar 17 19:58:17.097 UAE: %LINEPROTO-5-UPDOWN: Line protocol on > > Interface TenGigabitEthernet1/1, changed state to up > > 001272: .Mar 17 19:58:17.109 UAE: %LINEPROTO-5-UPDOWN: Line protocol on > > Interface TenGigabitEthernet2/1, changed state to up > > 001273: .Mar 17 19:58:17.141 UAE: %LINK-3-UPDOWN: Interface > Port-channel1, > > changed state to up > > 001274: .Mar 17 19:58:17.145 UAE: %LINEPROTO-5-UPDOWN: Line protocol on > > Interface Port-channel1, changed state to up > > Mar 17 19:58:17.062 UAE: %EC-SP-5-COMPATIBLE: Te1/1 is compatible with > > port-channel members > > Mar 17 19:58:17.078 UAE: %EC-SP-5-COMPATIBLE: Te2/1 is compatible with > > port-channel members > > Mar 17 19:58:17.106 UAE: %LINEPROTO-SP-5-UPDOWN: Line protocol on > Interface > > TenGigabitEthernet1/1, changed state to up > > Mar 17 19:58:17.106 UAE: %LINEPROTO-SP-5-UPDOWN: Line protocol on > Interface > > TenGigabitEthernet2/1, changed state to up > > Mar 17 19:58:17.258 UAE: %LINK-SP-3-UPDOWN: Interface Port-channel1, > > changed > > state to up > > Mar 17 19:58:17.266 UAE: %LINEPROTO-SP-5-UPDOWN: Line protocol on > Interface > > Port-channel1, changed state to up > > ---------------Logs------------- > > > > > > > > On Tue, Mar 17, 2009 at 9:10 PM, ALL From_NJ <all.from.nj@gmail.com> > > wrote: > > > > > Would be nice to see the logs for when the ports are going into > suspended > > > state ... messages displayed at this time are key. > > > > > > Suspended state occurs due to the control plane protocols putting the > > port > > > into it. What are the control protocols seeing that they do not like? > > > Examples of control protocols are STP, CDP (CDP carries a lot of > control > > > information inside it too), etc ... > > > > > > Could the switch be seeing it's own packets coming back to it? > Probably > > no > > > way to tell over email and writing a book will not help ... but I would > > > suggest to monitor both switches and watch for the log messages to > occur. > > > > > > I do not think it is a config problem on this switch since it comes up > > and > > > stays up for some time. Perhaps the switch it connects to is > > misconfigured > > > or has issues w/ flapping links or something like this? I would also > > > suggest to look at your topology and see where a control plane / > protocol > > > problem could be happening ... and start there. > > > > > > HTH, > > > > > > Andrew Lee Lissitz > > > > > > > > > > > > On Tue, Mar 17, 2009 at 12:03 PM, <andy@cloud9.net> wrote: > > > > > > > My first thought would be a spanning tree issue but I'm thinking > > > > there should be a reason why the etherchannel goes into a suspended > > > > state. > > > > > > > > One other thing to look for is if you have QoS enable and the port > > > > in the etherchannel are in different module. QoS makes sure that the > > > > hardware buffers are the same and if they are not will suspend some > > > > ports. There is a work around for this issue "no mls qos > > > > channel-consistency" on the port-channel will fix this problem. > > > > > > > > If neither of these help you I will be glad to look at show tech's > > > > from both switches. Just zip them and send them to me. > > > > > > > > Andy > > > > > > > > Quoting Network places <uniquemoonlight@gmail.com>: > > > > > > > > > Hi All, > > > > > i have an etherchannel configured between 6500's. Which > stays > > > up > > > > for > > > > > a while when you no shut but after a while it goes in the > suspension > > > > state > > > > > and stays there connectivity is lost as well. Cant find a reason > for > > > > that. > > > > > Any help would be highly appreciated. > > > > > > > > > > > > > > > Thanks > > > > > > > > > > > > > > > Blogs and organic groups at http://www.ccie.net[1] > > > > > > > > > > > > _______________________________________________________________________ > > > > > Subscription information may be found at: > > > > > http://www.groupstudy.com/list/CCIELab.html[2]< > http://www.groupstudy.com/list/CCIELab.html%5B2%5D> > > <http://www.groupstudy.com/list/CCIELab.html%5B2%5D> > > > <http://www.groupstudy.com/list/CCIELab.html%5B2%5D> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Links: > > > > ------ > > > > [1] http://www.ccie.net/ > > > > [2] http://www.groupstudy.com/list/CCIELab.html > > > > > > > > > > > > Blogs and organic groups at http://www.ccie.net > > > > > > > > > _______________________________________________________________________ > > > > Subscription information may be found at: > > > > http://www.groupstudy.com/list/CCIELab.html > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > Andrew Lee Lissitz > > > all.from.nj@gmail.com > > > > > > > > > Blogs and organic groups at http://www.ccie.net > > > > > > _______________________________________________________________________ > > > Subscription information may be found at: > > > http://www.groupstudy.com/list/CCIELab.html > > > > > > Blogs and organic groups at http://www.ccie.net > > > > _______________________________________________________________________ > > Subscription information may be found at: > > http://www.groupstudy.com/list/CCIELab.html > > > > > > > > > > > > > > > > > > > -- > Pavel Bykov > ---------------- > Don't forget to help stopping the braindumps, use of which reduces value of > your certifications. Sign the petition at http://www.stopbraindumps.com/ > > > Blogs and organic groups at http://www.ccie.net > > _______________________________________________________________________ > Subscription information may be found at: > http://www.groupstudy.com/list/CCIELab.html

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