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SVI interface UP/DOWN without physical interface down

hello,

i have a issue with a VSS stack with 6807X (Version 15.5(1)SY3).

 

some day, all interfaces are changing states without reason.

i don't have find any "bug" in realease note.

 

have you a idea?

 

Sep 10 14:53:36.336: %SYS-SW1-5-CONFIG_I: Configured from console by on vty0 ()
Sep 11 10:00:21.146: %CLEAR-SW1-5-COUNTERS: Clear counter on interface TenGigabitEthernet2/1/10 by ogontier on vty1 ()
Sep 11 10:20:46.430: %CLEAR-SW1-5-COUNTERS: Clear counter on all interfaces by ogontier on vty1 ()
Sep 11 12:10:57.385: %LINK-SW1-3-UPDOWN: Interface Vlan10, changed state to down
Sep 11 12:10:57.425: %LINK-SW1-3-UPDOWN: Interface Vlan13, changed state to down
Sep 11 12:10:57.453: %LINK-SW1-3-UPDOWN: Interface Vlan48, changed state to down
Sep 11 12:10:57.501: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan10, changed state to down
Sep 11 12:10:57.557: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan13, changed state to down
Sep 11 12:10:57.557: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan48, changed state to down
Sep 11 12:10:57.577: %LINK-SW1-3-UPDOWN: Interface Vlan28, changed state to down
Sep 11 12:10:57.577: %LINK-SW1-3-UPDOWN: Interface Vlan31, changed state to down
Sep 11 12:10:57.577: %LINK-SW1-3-UPDOWN: Interface Vlan42, changed state to down
Sep 11 12:10:57.577: %LINK-SW1-3-UPDOWN: Interface Vlan43, changed state to down
Sep 11 12:10:57.577: %LINK-SW1-3-UPDOWN: Interface Vlan45, changed state to down
Sep 11 12:10:57.577: %LINK-SW1-3-UPDOWN: Interface Vlan49, changed state to down
Sep 11 12:10:57.577: %LINK-SW1-3-UPDOWN: Interface Vlan56, changed state to down
Sep 11 12:10:57.577: %LINK-SW1-3-UPDOWN: Interface Vlan59, changed state to down
Sep 11 12:10:57.577: %LINK-SW1-3-UPDOWN: Interface Vlan64, changed state to down
Sep 11 12:10:57.577: %LINK-SW1-3-UPDOWN: Interface Vlan69, changed state to down
Sep 11 12:10:57.581: %LINK-SW1-3-UPDOWN: Interface Vlan839, changed state to down
Sep 11 12:10:57.581: %LINK-SW1-3-UPDOWN: Interface Vlan840, changed state to down
Sep 11 12:10:57.581: %LINK-SW1-3-UPDOWN: Interface Vlan853, changed state to down
Sep 11 12:10:57.581: %LINK-SW1-3-UPDOWN: Interface Vlan2, changed state to down
Sep 11 12:10:57.581: %LINK-SW1-3-UPDOWN: Interface Vlan46, changed state to down
Sep 11 12:10:57.609: %BGP-SW1-5-NBR_RESET: Neighbor xxxx reset (Interface flap)
Sep 11 12:10:57.609: %BGP-SW1-5-NBR_RESET: Neighbor xxxx reset (Interface flap)
Sep 11 12:10:57.681: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan28, changed state to down
Sep 11 12:10:57.681: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan31, changed state to down
Sep 11 12:10:57.681: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan42, changed state to down
Sep 11 12:10:57.681: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan43, changed state to down
Sep 11 12:10:57.681: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan45, changed state to down
Sep 11 12:10:57.681: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan49, changed state to down
Sep 11 12:10:57.681: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan56, changed state to down
Sep 11 12:10:57.681: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan59, changed state to down
Sep 11 12:10:57.681: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan64, changed state to down
Sep 11 12:10:57.681: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan69, changed state to down
Sep 11 12:10:57.681: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan839, changed state to down
Sep 11 12:10:57.681: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan840, changed state to down
Sep 11 12:10:57.685: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan853, changed state to down
Sep 11 12:10:57.685: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan2, changed state to down
Sep 11 12:10:57.685: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan46, changed state to down
Sep 11 12:10:57.693: %LINK-SW1-3-UPDOWN: Interface Vlan6, changed state to down
Sep 11 12:10:57.693: %LINK-SW1-3-UPDOWN: Interface Vlan26, changed state to down
Sep 11 12:10:57.693: %LINK-SW1-3-UPDOWN: Interface Vlan27, changed state to down
Sep 11 12:10:57.693: %LINK-SW1-3-UPDOWN: Interface Vlan30, changed state to down
Sep 11 12:10:57.697: %LINK-SW1-3-UPDOWN: Interface Vlan35, changed state to down
Sep 11 12:10:57.697: %LINK-SW1-3-UPDOWN: Interface Vlan47, changed state to down
Sep 11 12:10:57.697: %LINK-SW1-3-UPDOWN: Interface Vlan57, changed state to down
Sep 11 12:10:57.697: %LINK-SW1-3-UPDOWN: Interface Vlan62, changed state to down
Sep 11 12:10:57.697: %LINK-SW1-3-UPDOWN: Interface Vlan63, changed state to down
Sep 11 12:10:57.697: %LINK-SW1-3-UPDOWN: Interface Vlan92, changed state to down
Sep 11 12:10:57.697: %LINK-SW1-3-UPDOWN: Interface Vlan93, changed state to down
Sep 11 12:10:57.697: %LINK-SW1-3-UPDOWN: Interface Vlan94, changed state to down
Sep 11 12:10:57.717: %LINK-SW1-3-UPDOWN: Interface Vlan50, changed state to down
Sep 11 12:10:57.717: %LINK-SW1-3-UPDOWN: Interface Vlan51, changed state to down
Sep 11 12:10:57.717: %LINK-SW1-3-UPDOWN: Interface Vlan52, changed state to down
Sep 11 12:10:57.717: %LINK-SW1-3-UPDOWN: Interface Vlan58, changed state to down
Sep 11 12:10:57.717: %LINK-SW1-3-UPDOWN: Interface Vlan81, changed state to down
Sep 11 12:10:57.717: %LINK-SW1-3-UPDOWN: Interface Vlan83, changed state to down
Sep 11 12:10:57.717: %LINK-SW1-3-UPDOWN: Interface Vlan87, changed state to down
Sep 11 12:10:57.721: %LINK-SW1-3-UPDOWN: Interface Vlan88, changed state to down
Sep 11 12:10:57.721: %LINK-SW1-3-UPDOWN: Interface Vlan91, changed state to down
Sep 11 12:10:57.721: %LINK-SW1-3-UPDOWN: Interface Vlan310, changed state to down
Sep 11 12:10:57.841: %LINK-SW1-3-UPDOWN: Interface Vlan10, changed state to up
Sep 11 12:10:57.841: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan6, changed state to down
Sep 11 12:10:57.841: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan26, changed state to down
Sep 11 12:10:57.841: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan27, changed state to down
Sep 11 12:10:57.841: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan30, changed state to down
Sep 11 12:10:57.841: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan35, changed state to down
Sep 11 12:10:57.841: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan47, changed state to down
Sep 11 12:10:57.841: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan57, changed state to down
Sep 11 12:10:57.841: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan62, changed state to down
Sep 11 12:10:57.841: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan63, changed state to down
Sep 11 12:10:57.841: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan92, changed state to down
Sep 11 12:10:57.841: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan93, changed state to down
Sep 11 12:10:57.841: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan94, changed state to down
Sep 11 12:10:57.841: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan50, changed state to down
Sep 11 12:10:57.841: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan51, changed state to down
Sep 11 12:10:57.841: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan52, changed state to down
Sep 11 12:10:57.841: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan58, changed state to down
Sep 11 12:10:57.841: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan81, changed state to down
Sep 11 12:10:57.841: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan83, changed state to down
Sep 11 12:10:57.841: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan87, changed state to down
Sep 11 12:10:57.841: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan88, changed state to down
Sep 11 12:10:57.841: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan91, changed state to down
Sep 11 12:10:57.841: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan310, changed state to down
Sep 11 12:10:57.861: %BGP-SW1-5-ADJCHANGE: neighbor 100.66.129.200 Down Interface flap
Sep 11 12:10:57.861: %BGP_SESSION-SW1-5-ADJCHANGE: neighbor 100.66.129.200 IPv4 Unicast topology base removed from session Interface flap
Sep 11 12:10:57.861: %BGP-SW1-5-ADJCHANGE: neighbor xxxx Down Interface flap
Sep 11 12:10:57.861: %BGP_SESSION-SW1-5-ADJCHANGE: neighbor xxxx IPv4 Unicast topology base removed from session Interface flap
Sep 11 12:10:57.961: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan10, changed state to up
Sep 11 12:10:58.021: %LINK-SW1-3-UPDOWN: Interface Vlan2, changed state to up
Sep 11 12:10:58.025: %LINK-SW1-3-UPDOWN: Interface Vlan46, changed state to up
Sep 11 12:10:58.041: %LINK-SW1-3-UPDOWN: Interface Vlan6, changed state to up
Sep 11 12:10:58.041: %LINK-SW1-3-UPDOWN: Interface Vlan27, changed state to up
Sep 11 12:10:58.041: %LINK-SW1-3-UPDOWN: Interface Vlan35, changed state to up
Sep 11 12:10:58.045: %LINK-SW1-3-UPDOWN: Interface Vlan45, changed state to up
Sep 11 12:10:58.045: %LINK-SW1-3-UPDOWN: Interface Vlan47, changed state to up
Sep 11 12:10:58.045: %LINK-SW1-3-UPDOWN: Interface Vlan48, changed state to up
Sep 11 12:10:58.045: %LINK-SW1-3-UPDOWN: Interface Vlan57, changed state to up
Sep 11 12:10:58.049: %LINK-SW1-3-UPDOWN: Interface Vlan63, changed state to up
Sep 11 12:10:58.049: %LINK-SW1-3-UPDOWN: Interface Vlan93, changed state to up
Sep 11 12:10:58.049: %LINK-SW1-3-UPDOWN: Interface Vlan94, changed state to up
Sep 11 12:10:58.053: %LINK-SW1-3-UPDOWN: Interface Vlan13, changed state to up
Sep 11 12:10:58.077: %LINK-SW1-3-UPDOWN: Interface Vlan26, changed state to up
Sep 11 12:10:58.081: %LINK-SW1-3-UPDOWN: Interface Vlan30, changed state to up
Sep 11 12:10:58.081: %LINK-SW1-3-UPDOWN: Interface Vlan62, changed state to up
Sep 11 12:10:58.081: %LINK-SW1-3-UPDOWN: Interface Vlan92, changed state to up
Sep 11 12:10:58.165: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan2, changed state to up
Sep 11 12:10:58.165: %LINK-SW1-3-UPDOWN: Interface Vlan28, changed state to up
Sep 11 12:10:58.165: %LINK-SW1-3-UPDOWN: Interface Vlan31, changed state to up
Sep 11 12:10:58.169: %LINK-SW1-3-UPDOWN: Interface Vlan42, changed state to up
Sep 11 12:10:58.169: %LINK-SW1-3-UPDOWN: Interface Vlan43, changed state to up
Sep 11 12:10:58.169: %LINK-SW1-3-UPDOWN: Interface Vlan49, changed state to up
Sep 11 12:10:58.169: %LINK-SW1-3-UPDOWN: Interface Vlan56, changed state to up
Sep 11 12:10:58.173: %LINK-SW1-3-UPDOWN: Interface Vlan59, changed state to up
Sep 11 12:10:58.173: %LINK-SW1-3-UPDOWN: Interface Vlan64, changed state to up
Sep 11 12:10:58.173: %LINK-SW1-3-UPDOWN: Interface Vlan69, changed state to up
Sep 11 12:10:58.177: %LINK-SW1-3-UPDOWN: Interface Vlan839, changed state to up
Sep 11 12:10:58.177: %LINK-SW1-3-UPDOWN: Interface Vlan840, changed state to up
Sep 11 12:10:58.177: %LINK-SW1-3-UPDOWN: Interface Vlan853, changed state to up
Sep 11 12:10:58.181: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan46, changed state to up
Sep 11 12:10:58.181: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan6, changed state to up
Sep 11 12:10:58.181: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan27, changed state to up
Sep 11 12:10:58.181: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan35, changed state to up
Sep 11 12:10:58.181: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan45, changed state to up
Sep 11 12:10:58.181: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan47, changed state to up
Sep 11 12:10:58.181: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan48, changed state to up
Sep 11 12:10:58.181: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan57, changed state to up
Sep 11 12:10:58.181: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan63, changed state to up
Sep 11 12:10:58.181: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan93, changed state to up
Sep 11 12:10:58.181: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan94, changed state to up
Sep 11 12:10:58.181: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan13, changed state to up
Sep 11 12:10:58.181: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan26, changed state to up
Sep 11 12:10:58.181: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan30, changed state to up
Sep 11 12:10:58.181: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan62, changed state to up
Sep 11 12:10:58.181: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan92, changed state to up
Sep 11 12:10:58.309: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan28, changed state to up
Sep 11 12:10:58.309: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan31, changed state to up
Sep 11 12:10:58.309: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan42, changed state to up
Sep 11 12:10:58.309: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan43, changed state to up
Sep 11 12:10:58.309: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan49, changed state to up
Sep 11 12:10:58.309: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan56, changed state to up
Sep 11 12:10:58.309: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan59, changed state to up
Sep 11 12:10:58.309: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan64, changed state to up
Sep 11 12:10:58.309: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan69, changed state to up
Sep 11 12:10:58.309: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan839, changed state to up
Sep 11 12:10:58.309: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan840, changed state to up
Sep 11 12:10:58.309: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan853, changed state to up
Sep 11 12:11:00.573: %LINK-SW1-3-UPDOWN: Interface Vlan16, changed state to down
Sep 11 12:11:00.673: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan16, changed state to down
Sep 11 12:11:01.369: %LINK-SW1-3-UPDOWN: Interface Vlan16, changed state to up
Sep 11 12:11:01.469: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan16, changed state to up
Sep 11 12:11:27.362: %LINK-SW1-3-UPDOWN: Interface Vlan310, changed state to up
Sep 11 12:11:27.362: %LINK-SW1-3-UPDOWN: Interface Vlan88, changed state to up
Sep 11 12:11:27.378: %LINK-SW1-3-UPDOWN: Interface Vlan50, changed state to up
Sep 11 12:11:27.378: %LINK-SW1-3-UPDOWN: Interface Vlan51, changed state to up
Sep 11 12:11:27.378: %LINK-SW1-3-UPDOWN: Interface Vlan52, changed state to up
Sep 11 12:11:27.378: %LINK-SW1-3-UPDOWN: Interface Vlan58, changed state to up
Sep 11 12:11:27.382: %LINK-SW1-3-UPDOWN: Interface Vlan81, changed state to up
Sep 11 12:11:27.382: %LINK-SW1-3-UPDOWN: Interface Vlan83, changed state to up
Sep 11 12:11:27.382: %LINK-SW1-3-UPDOWN: Interface Vlan87, changed state to up
Sep 11 12:11:27.386: %LINK-SW1-3-UPDOWN: Interface Vlan91, changed state to up
Sep 11 12:11:27.462: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan310, changed state to up
Sep 11 12:11:27.462: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan88, changed state to up
Sep 11 12:11:27.478: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan50, changed state to up
Sep 11 12:11:27.478: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan51, changed state to up
Sep 11 12:11:27.478: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan52, changed state to up
Sep 11 12:11:27.478: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan58, changed state to up
Sep 11 12:11:27.482: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan81, changed state to up
Sep 11 12:11:27.482: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan83, changed state to up
Sep 11 12:11:27.482: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan87, changed state to up
Sep 11 12:11:27.486: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Interface Vlan91, changed state to up
Sep 11 12:11:39.626: %BGP-SW1-5-NBR_RESET: Neighbor xxxx active reset (BGP Notification sent)
Sep 11 12:11:39.626: %BGP-SW1-5-ADJCHANGE: neighbor xxxx Up
Sep 11 12:11:48.102: %BGP-SW1-5-ADJCHANGE: neighbor xxxx Up
Sep 11 14:04:42.252: %SYS-SW1-5-CONFIG_I: Configured from console by mlesueur on vty0 (xxxx)

1 Accepted Solution

Accepted Solutions

If the interfaces go up and down unexpectedly, most likely you are encountering a bug. Call TAC and they will ask you to upgrade.

Since Leo is using 15.5(1)SY5 and it is stable, it may work for you as well but there is no guarantee as it all depends on the feature sets you are using.

 

HTH

View solution in original post

8 Replies 8

Leo Laohoo
Hall of Fame
Hall of Fame

Is the command "logging event lilnk-state" enabled on the port? 
It looks like you've got split-brain.

i have "logging event lilnk-state" on most port and port-channel and svi

i don't seen any split-brain...

Leo Laohoo
Hall of Fame
Hall of Fame

I've used 15.5(1)SY3 and 15.5(1)SY4 and it gave me nothing but trouble.  
Currently on 15.5(1)SY5.

If the interfaces go up and down unexpectedly, most likely you are encountering a bug. Call TAC and they will ask you to upgrade.

Since Leo is using 15.5(1)SY5 and it is stable, it may work for you as well but there is no guarantee as it all depends on the feature sets you are using.

 

HTH

i must planed the upgrade.

i must planed the upgrade.

Yes, but make sure to read the release notes for whatever version you are upgrading to very carefully. Sometimes an upgrade can fix one thing and break 2 other things.

HTH

The 15.5.1-SY5 is the Cisco recommended version of 6807X, so....

Yes, it is but I would still read the release notes carefully.

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