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Link Down Between Two Transit Nodes
This section shows the debugging output when the link between transit node B and transit
node C goes down and comes back up again. It shows the debugging output for the complete
failure and recovery cycle:
•
•
Master Node (Node A) Debug Output
The following debugging output starts with the ring established and in a state of Complete.
1. The master node sends Health messages
Each time the Hello timer expires, the master node sends a Health message out its primary
port (port 1). As long as the ring is in a state of Complete, it receives each Health message
again on its secondary port (port 2).
Manager x900-48-A>
epsrHelloTimeout: EPSR test Hello Timer expired
EPSR Port1 Tx:
00bb0100 00541ea1 00000000 0000cd28 0619990b 00400105 03e80000 00000000
cd280619 00010002 01000147
EPSR Port1 Tx:
-----------------------------------------------------------------------
-----------------------------------------------------------------------
EPSR Port2 Rx:
00bb0100 00541ea1 00000000 0000cd28 0619990b 00400105 03e80000 00000000
cd280619 00010002 01000147
EPSR Port2 Rx:
-----------------------------------------------------------------------
-----------------------------------------------------------------------
Page 47 | AlliedWare™ OS How To Note: EPSR
on the master node,
and then
on transit node B
00e02b00 00040000 cd280619 8100e3e8 005caaaa 0300e02b
TYPE = HEALTH
CTRL VLAN = 1000
HELLO TIME = 1
HELLO SEQ = 327
00e02b00 00040000 cd280619 8100e3e8 005caaaa 0300e02b
TYPE = HEALTH
CTRL VLAN = 1000
HELLO TIME = 1
HELLO SEQ = 327
STATE = COMPLETE
SYSTEM = 00-00-cd-28-06-19
FAIL TIME = 2
STATE = COMPLETE
SYSTEM = 00-00-cd-28-06-19
FAIL TIME = 2
Debugging
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