A MEP detects Unexpected MEP or “unexpected period” when it receives one of the
following:
• CCM frame with a correct MEG level (that is, the MEG level is the same as the
MEP's own MEG level) and a correct MEG ID, but an Unexpected MEP ID which
includes the MEP's own MEP ID
• CCM frame with a correct MEG level (that is, the MEG level is equal to the MEP's
own MEG level), a correct MEG ID, a correct MEP ID, but with period field value
different than the MEP's own CCM transmission period
Determining the unexpected MEP ID is possible when the MEP maintains a list of its peer
MEP IDs. A list of peer MEP IDs must be configured on each MEP during provisioning.
This condition is most likely caused by misconfiguration.
Severity Major
Service affecting? No
Applicability 11DPE12E
The alarm is cleared when the MEP does not receive CCM frames an expected MEP ID,
or MEP does not receive a CCM frame with an incorrect period field value.
Corrective Action
...................................................................................................................................................................................................
1
Check the peer MAID (MD name and MA Name). The local MAID and remote peer
MAID should be same.
CLI show card 11dpe12e
shelf/slot
ethoam md1ma
{1-400}
remote mepid
show card 11dpe12e
shelf/slot
ethoam md1ma
{1-400}
mep
WEBUI In the Equipment Tree, select the desired 11DPE12E card.
Select
Ethernet OAM > Maintenance Domain > Maintenance Associations
> MEP.
UNKNOWN
UNKNOWN (Card Unknown)
Trouble-clearing procedures
UNG/UNP
UNG/UNP
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2-332
1830 PSS-36/PSS–32/PSS-16/PSS-4
8DG60888CAAA Release 3.6.0 and 3.6.1
Issue 1 June 2011
E ND OF STEPS
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