Cisco ASR 1000 Series Software Configuration Guide

Configuring the Network Clock in Interface Configuration Mode
Use the following commands in the interface configuration mode to configure the network clock and timers
on the Cisco ASR 1000 Series Routers SIP-40.
PurposeCommand
Configures the ethernet interface to synchronous
mode and this automatically enables the ESMC and
Quality Level process on the interface.
This command is applicable to Synchronous
Ethernet capable interfaces. The default
value is asynchronous mode.
Note
Router(config-if)# synchronous mode
Example:
Router(config-if)# synchronous mode
Enables or disables ESMC process on the interface.
If the interface is configured as line source
but does not receive ESMC message from
peer node on the interface, then the interface
is removed from selectable clock source list.
By default this is enabled for synchronous
mode and disabled for asynchronous mode.
Note
This command is not supported for
non-synchronous ethernet interfaces.
Note
Router(config-if)# esmc mode [tx | rx |<cr>]
Example:
Router(config-if)# esmc mode tx
The command forces QL value to local clock selection
process and it is considered by the clock selection
process as a value from network. The value is based
on global interworking Option.
•
If Option 1 is configured, the available values
are QL-PRC, QL-SSU-A, QL-SSU-B, QL-SEC,
and QL-DNU.
•
If Option 2 is configured with GEN 2, the
available values are QL-PRS, QL-STU,
QL-ST2, QL-TNC, QL-ST3, QL-SMC, QL-ST4
and QL-DUS.
•
If option 2 is configured with GEN1, the
available values are QL-PRS, QL-STU,
QL-ST2, QL-SMC, QL-ST4 and QL-DUS
This command is applicable to Synchronous
Ethernet capable interfaces.
Note
Router(config-if)# network-clock source
quality-level <value> {tx | rx}
Example:
Router(config-if)# network-clock source
quality-level QL-PRC
Configures hold-off timer for interface. The default
value is 300 milliseconds.
Displays a warning for values below 300 ms
and above 1800 ms.
Note
Router(config-if)# network-clock hold-off <0 |
50-10000>
Example:
Router(config-if)# network-clock hold-off 1000
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS XE
Everest 16.5
OL-14127-17 139
Configuring the Ethernet SPAs
Configuring the Network Clock for the 2-Port Gigabit Synchronous Ethernet SPA on a Cisco ASR 1000 Series Router

Cisco ASR 1000 Series Specifications

General

Series	ASR 1000
Category	Network Router
Operating System	Cisco IOS XE
Memory	Up to 64 GB
Interfaces	10 Gigabit Ethernet
Power Supply	AC or DC options
Dimensions	Varies by model
Encryption	IPsec, SSL
Storage	Varies by model
Operating Temperature	32°F to 104°F (0°C to 40°C)
Humidity	5% to 95% non-condensing
MTBF	Varies by model