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Trouble-clearing procedures
LINKDOWN
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Corrective Action
A cold reset, reseat, or replacement of a card is service impacting if the card is currently
carrying services. To determine if any services are currently carried over a card, perform
the procedure
If there are services currently carried over the card, it may be best to wait for a
maintenance window before resetting, replacing, or reseating the card.
At the end of each step wait to see if the fault clears. If not, continue with the next step.
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1
Trace the source of the LINKDOWN condition to the associated card and port upstream.
Verify that the source is operationally up by checking the Admin state. If the Admin state
is Up, then toggle the administrative state from UP->DOWN->UP.
EMS
...................................................................................................................................................................................................
Remove the fiber from the port where the LINKDOWN condition is raised and clean the
2
fiber and the bulkhead connector.
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3
Repeat
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Replace the fiber jumper with a new one.
4
...................................................................................................................................................................................................
5
Perform a warm reset on the card that is the source of the Ethernet signal.
CLI
WEBUI
...................................................................................................................................................................................................
Perform a warm reset on the card where the LINKDOWN condition is raised.
6
CLI
WEBUI
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2-130
NOTICE
Service-disruption hazard
"Reseating a Card" (p.
Double-click the NE and then on the alarmed card's client receive port.
Step 2
for the other end of the fiber and port where it is connected.
config card
Select the card, click the
config card
Select the card, click the
3-19).
card type shelf slot
reset warm
Reboot
tab, select
card type shelf slot
reset warm
Reboot
tab, select
LINKDOWN (Link down)
Warm Reboot
>
Submit
.
Warm Reboot
>
Submit
.
1830 PSS-36/PSS–32/PSS-16/PSS-4
8DG60888CAAA Release 3.6.0 and 3.6.1
Issue 1 June 2011
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