Cisco ASR1000-RP1 - ASR 1000 Series Route Processor 1 Router Software Configuration Manual page 313

Chapter 10 Synchronous Ethernet Support
Table 10-3
Problem
Incorrect clock limit
set or queue limit
disabled mode
OL-16506-10
Troubleshooting Scenarios (continued)
Solution
Verify that there are no alarms on the interfaces. Use the show
•
network-clock synchronization detail RP command to confirm.
Warning
Use the show network-clock synchronization command to confirm if
•
the system is in revertive mode or nonrevertive mode and verify the
nonrevertive configurations as shown in this example:
RouterB#show network-clocks synchronization
Symbols:
Automatic selection process : Enable
Equipment Clock : 1544 (EEC-Option2)
Clock Mode : QL-Enable
ESMC : Enabled
SSM Option : GEN1
T0 : External R0 t1 esf
Hold-off (global) : 300 ms
Wait-to-restore (global) : 300 sec
Tsm Delay : 180 ms
Revertive : No
Force Switch: FALSE
Manual Switch: FALSE
Number of synchronization sources: 2
sm(netsync NETCLK_QL_ENABLE), running yes, state 1A
Last transition recorded: (src_rem)-> 1A (src_added)-> 1A
(src_rem)-> 1A (src_added)-> 1A (ql_change)-> 1A (sf_change)->
1A (force_sw)-> 1C (clear_sw)-> 1A (sf_change)-> 1A
(sf_change)-> 1A
Revertive : Yes<<<<If it is non revertive then it will show NO
here.
Cisco ASR 1000 Series Aggregation Services Routers Software Configuration Guide
We recommend that you do not use these debug
commands without TAC supervision.
En - Enable, Dis - Disable, Adis - Admin Disable
NA - Not Applicable
* - Synchronization source selected
# - Synchronization source force selected
& - Synchronization source manually switched
Configuring Synchronous Ethernet
10-17