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Cisco Bug: CSCsz67629 - On E1-42 protection switching, LOS on ports 23 and 27 are cleared

Last Modified

Feb 22, 2014

Products (1)

  • Cisco ONS 15454 Series Multiservice Provisioning Platforms

Known Affected Releases

8.50 8.51

Description (partial)

Move all the ports of E1-42 card to IS state. LOS is reported against all ports as expected. Now do a protection switch. The LOS is cleared against the ports 23 & 27 on the portect card which becomes active. 

When there is not circuits & all the ports are in IS state and protection switch is done, this issue is seen.
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