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Cisco - how to find IOS version and configure SNMP

I'm pretty much a cisco newbie, and I have two things that I need to do on our three cisco routers, and 4 switches.

1. I need to find out the amount of memory installed, and the IOS version. If I remember right, I just console in and type:
sh ver
or something to that effect. Does anyone remember the exact command?

2. I need to turn SNMP on, and change the read only string from public to our internal one. Is there a set of commands that can be used on my catalyst switches, and my routers to simply enable this?

Thanks!
Terry

JFrederick29

1. You got it. "show version" will display the IOS version and memory installed.

2. To enable SNMP "snmp-server community <string> RO

terrymason

ASKER

ok, i think i have it. How do I actually show the snmp read / right community strings that exist?

Also, how do I deactivate the private rw string?

show config gives me this:

snmp-server community private RW
snmp-server community public RO
!
line con 0
transport input none
stopbits 1
line vty 0 4
password TERRY'S-STRING
login
line vty 5 15
password TERRY'S-STRING
login
!
end

SOLUTION

Don Johnston

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terrymason

ASKER

ahh, I see do I need to remove the current snmp rules before adding new ones? I noticed that when I typed

snmp-server community public XXXXXX

and then did a show config, it gave the response above. Do I need to reboot before my changes go into effect, or did I do something wrong?

ASKER CERTIFIED SOLUTION

JFrederick29

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terrymason

ASKER

thanks guys!