Cisco Cisco IOS Software Release 12.0(19)S

To enable reporting of selected alarms and signal events, use the following command. 

Router(config-if)# [no] keepalive value

Sets the keepalive timer (in seconds) for the 
interface.

value is a number in seconds (0 to 32767).

The default value is 10 (seconds).

To turn off keepalives entirely, use the no 
form of this command.

Router(config-if)# [no] clock source [internal | line]

Specifies the clock source for the interface. 

line specifies that the network clock source is 
used (default). 

 internal specifies that the internal clock 
source from the line card is used. 

The default is the line clock. Use the no form of 
this command to restore the default value. 

See the 

 for 

more information on the use of this command.

Router(config-if)# [no] POS report 

[b1-tca | b2-tca | slof | slos | lais | lrdi | b3-tca | pais | 

 | prdi] 

Permits selected SONET alarms to be logged to 
the console for the POS interface.

The default alarms to be logged include: 
sf-ber, slos, slof, b1-tca, b2-tca, b3-tca and 
plop.

To disable logging, use the no form of this 
command.

 for descriptions of the alarms and 

events.

b1-tca

B1 BER Threshold Crossing Alarm

B1 BER Threshold Crossing Alarm

b2-tca

B2 BER Threshold Crossing Alarm

B2 BER Threshold Crossing Alarm

b3-tca

B3 BER Threshold Crossing Alarm

B3 BER Threshold Crossing Alarm

lais

Line Alarm Indication Signal (AIS-L)

Multiplexer Section Alarm Indication 
Signal (MS-AIS)

lrdi

Line Remote Defect Indication (RDI-L)

Multiplexer Section Remote Defect 
Indication (MS-RDI)