Log changes mad to config on switch?

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Nov 22nd, 2008
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I have many Cisco Catalyst switches and I have managed to log when a user logs into the switches to our syslog server, however I now need to log any changes made on the configs, is this possble?

This is what I have added so far:

logging buffered 8192 notifications

login on-failure log

login on-success log


log config

logging enable

logging size 200

notify syslog contenttype plaintext


logging trap notifications

logging source-interface Vlan1


Am I missing something?

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glen.grant Sat, 11/22/2008 - 04:09
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You would probably have to use AAA accounting and the use of a tacacs or radius server to accomplish this. Do a search on configuring AAA accounting.

Giuseppe Larosa Mon, 11/24/2008 - 06:40
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Hello Andy,

I think you need to move to AAA for doing this

we use the following commands with ACS tacacs+

aaa new-model

aaa authentication login ACS group tacacs+ local

aaa authentication enable default group tacacs+ enable

aaa accounting update newinfo

aaa accounting exec ACS start-stop group tacacs+

aaa accounting commands 1 ACS start-stop group tacacs+

aaa accounting commands 15 ACS start-stop group tacacs+


aaa session-id common

the accounting commands are the ones that allow to record any command entered by every one.

In the log there is a line for each command with the timestamp, user, command, ip address of device

This is useful in understanding the reasons of crashes or some major faults.

Hope to help



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