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2. The link between the two transit nodes goes down
When the link goes down, the master node transmits a Health message but does not receive
it on its secondary port.
Manager x900-48-A>
epsrHelloTimeout: EPSR test Hello Timer expired
EPSR Port1 Tx:
00bb0100 00541ea0 00000000 0000cd28 0619990b 00400105 03e80000 00000000
cd280619 00010002 01000148
EPSR Port1 Tx:
-----------------------------------------------------------------------
-----------------------------------------------------------------------
3. The master node receives a Link-Down message on its secondary port
The master node receives a Link-Down message, which tells it that a link in the ring is
broken. This message came from the transit node on one side of the broken link.
EPSR Port2 Rx:
00bb0100 00544726 00000000 0000cd20 f101990b 00400108 03e80000 00000000
cd20f101 00000000 04000000
EPSR Port2 Rx:
-----------------------------------------------------------------------
-----------------------------------------------------------------------
Page 48 | AlliedWare™ OS How To Note: EPSR
00e02b00 00040000 cd280619 8100e3e8 005caaaa 0300e02b
TYPE = HEALTH
CTRL VLAN = 1000
HELLO TIME = 1
HELLO SEQ = 328
00e02b00 00040000 cd20f101 8100e3e8 005caaaa 0300e02b
TYPE = LINK-DOWN
CTRL VLAN = 1000
HELLO TIME = 0
HELLO SEQ = 0
STATE = COMPLETE
SYSTEM = 00-00-cd-28-06-19
FAIL TIME = 2
STATE = LINK-DOWN
SYSTEM = 00-00-cd-20-f1-01
FAIL TIME = 0
Debugging
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