Cisco – tail the log on a Cisco Router

cisconetworkingrouter

Can I tail the log on a Cisco Router? I have 'logging buffered 51200' and a debug running. I can see the packets with 'show log'. Can I tail this?

Best Answer

Sure, run logging monitor debug (or any other level) then terminal monitor.
Log will be displayed on your (and only your) Telnet/SSH session.
If you are connected using the console port, use logging console.

This will enable a behaviour similar to tail -f.

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Cisco – Restoring a Cisco router config using a config file

You'll miss some things by doing it this way. The best option is to copy the config to a tftp server and restore it from there if necessary

copy running-config tftp:

to restore

configure replace tftp://servername/config

Cisco IP SLA monitor failure on tcpConnect but the host can be telneted from router

You don't need to use control protocol.

type tcpConnect destip 10.10.10.2 destport 1010 control disable

IP SLAs uses the control protocol to notify the IP SLAs Responder to enable the target port temporarily. This action allows the Responder to reply to the TCP Connect operation. In this example, because the target is not a router and a well-known TCP port is used, there is no need to send the control message. http://www.cisco.com/en/US/docs/ios/12_4/ip_sla/configuration/guide/hstcpc.html

Best Answer

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Cisco – Restoring a Cisco router config using a config file

Cisco IP SLA monitor failure on tcpConnect but the host can be telneted from router

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