Users Guide

In the following example, a stack-port on the master flaps. The remote member, Member 2, displays a
console message, and the master and standby display KERN-2-INT messages.
To re-enable the downed stack-port, power cycle the offending unit.
Example of Console Messages About Flapping Link
Dell#00:42:46: %S3148P:2 %IFAGT-5-STACK_PORT_LINK_DOWN: Changed stack port state
to down: 2/54
00:42:48: %S3148P:4 %IFAGT-5-STACK_PORT_LINK_UP: Changed stack port state to up:
4/53
00:42:48: %S3148P:2 %IFAGT-5-STACK_PORT_LINK_UP: Changed stack port state to up:
2/54
00:42:48: %S3148P:4 %IFAGT-5-STACK_PORT_LINK_DOWN: Changed stack port state to
down: 4/53
00:42:48: %S3148P:2 %IFAGT-5-STACK_PORT_LINK_DOWN: Changed stack port state to
down: 2/54
00:42:52: %S3148P:4 %IFAGT-5-STACK_PORT_LINK_UP: Changed stack port state to up:
4/53
00:42:52: %S3148P:2 %IFAGT-5-STACK_PORT_LINK_UP: Changed stack port state to up:
2/54
00:42:53: %S3148P:2 %IFAGT-5-STACK_PORT_LINK_DOWN: Changed stack port state to
down: 2/54
00:42:53: %S3148P:4 %IFAGT-5-STACK_PORT_LINK_DOWN: Changed stack port state to
down: 4/53
00:42:55: %S3148P:4 %IFAGT-5-STACK_PORT_LINK_UP: Changed stack port state to up:
4/53
00:42:55: %S3148P:2 %IFAGT-5-STACK_PORT_LINK_UP: Changed stack port state to up:
2/54
00:42:56: %S3148P:2 %IFAGT-5-STACK_PORT_LINK_DOWN: Changed stack port state to
down: 2/54
Recover from a Card Problem State on a Stack
If a unit added to a stack has a different Dell Networking OS version, the unit does not come online and Dell
Networking OS cites a card problem error.
To recover, disconnect the new unit from the stack, change the Dell Networking OS version to match the
stack, and then reconnect it to the stack.
Example of Card Problem Error on a Stack - Different Dell Networking OS Versions
Dell#show system brief
Stack MAC : 34:17:17:18:19:1e
Reload-Type : normal-reload [Next boot : normal-reload]
-- Stack Info --
Unit UnitType Status ReqTyp CurTyp Version Ports
-----------------------------------------------------------------------------------
-
1 Management online S3148P S3148P 1-0(0-4679) 54
2 Standby online S3148P S3148P 1-0(0-4679) 54
3 Member not present S3124F
4 Member card problem S3148P unknown
5 Member not present S3124
6 Member not present S3124
7 Member not present S3124P
8 Member not present S3124F
9 Member not present S3148P
10 Member not present S3124F
Stacking 952