Cisco ASR 9000 Series Manuel de configuration - Page 29
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Configuring Serial Interfaces on the Cisco ASR 9000 Series Router
Cisco HDLC is enabled by default on serial interfaces.
Note
Prerequisites
Before modifying the keepalive timer configuration, ensure that Cisco HDLC or PPP encapsulation is
enabled on the interface. Use the encapsulation command to enable Cisco HDLC or PPP encapsulation
on the interface, as described in the
page
Restrictions
Is there a comparable recommendation for ASR9k with keepalives for MDR upgrade? XR12k
recommends disabling keepalives and CRS recommends setting interval to greater than or equal
to 10 sec.
•
•
SUMMARY STEPS
1.
2.
3.
4.
5.
DETAILED STEPS
Command or Action
Step 1
configure
Example:
RP/0/0RP0RSP0/CPU0:router# configure
Step 2
interface serial interface-path-id
Example:
RP/0/0RP0RSP0/CPU0:router(config)# interface
serial 0/1/0/0
OL-26061-03
518.
Before performing a Minimal Disruptive Restart (MDR) upgrade, we recommend disabling
keepalives on a Cisco XR 12000 Series Router.
Before performing a Minimal Disruptive Restart (MDR) upgrade, we recommend configuring a
keepalive interval of 10 seconds or more on a Cisco CRS-1 Router.
configure
interface serial interface-path-id
keepalive {seconds | disable}
or
no keepalive
end
or
commit
show interfaces type interface-path-id
Cisco ASR 9000 Aggregation Services Router Interfaces and Hardware Component Configuration Guide
"Configuring Optional Serial Interface Parameters" section on
Purpose
Enters global configuration mode.
Specifies the serial interface name and notation
rack/slot/module/port and enters interface configuration
mode.
How to Configure Serial Interfaces
527