Dear All,

Can any one let me know how to get duplex setting of cisco switches using Perl script or SNMP?

let me re-phrase it.
I have 150 switches in offices all over the world. I want to get duplex setting of all the ports of all the switches. I am looking for SNMP which is easier however I have a Perl script which can login to every switch and take backup of switch which can be make to get the data though requires lots of workaround and time.

Thanks,
Rahul

Can any one help?

Help with what?? You've asked a vague question, and hint at the fact you've already got a solution.

If you've got a script to log into all your switches, then you need to modify it. Figure out what SNMP string you need to query to find out the duplex settings, and put it in your script. Examine the output, and write it out as you wish. Not much more to it.

If you have a SPECIFIC problem, post it along with the code you've written. Otherwise, there's not much we can help with.

Hi, thanks for the reply. May be my English is so poor that I am not able to convey you what I am looking for.
I was looking for the MIB which can provide duplex setting. There has to be a specific MIB which tell you that and I was looking for its name.
The script I was talking about is not SNMP based but telnet based which login to switch and run a command to get the duplex setting.

I hope I made clear this time.

Start here: http://www.cisco.com/public/sw-cente...mtk/mibs.shtml

See if you can find the MIB you seek, and then let us know if you have additional questions.

Providing clear details is always good.

You mentioned Perl. The Net:SNMP module is what I'd look for in CPAN, if I were you. Using Telnet (especially over a WAN to your switches), is a dangerous thing. Since what you're after is one particular setting, try something like snmpwalk to identify what you're looking for. The man pages can help you, but it'll be something like:
That way, you'll see EVERYTHING available on that switch in the text file. Look for the duplex setting in there, and it'll have an OID associated with it. It may already be identified under the system MIB, since it's a switch. Take a look. Once you find it, script accordingly. You've already got the
switch names and IP addresses. Loop through them in your perl script, and read the info you got from the snmpwalk. Check the string to see what the duplex is, and output it however you wish.

1 members found this post helpful.

The system MIBs don't provide duplex settings. But now I have found the MIB name and for every one benefit mentioning here.
MIB Name = CISCO-STACK-MIB

and install all the dependencies from below mentioned link.
http://tools.cisco.com/Support/SNMP/...ISCO-STACK-MIB


These MIBs need to copied to /usr/share/snmp/mibs and then run this command.

snmpwalk -v1 -c public IP portDuplex


Thanks for the help all of you

1 members found this post helpful.

Thank you for providing a follow-up, and posting a very helpful link to others who are looking to solve this problem.

If you're going to script it via Perl, the Net:SNMP module will help. Or, you could (and I know I'll get flamed from other programmers), use a system call to use the snmpwalk command, and read the output.

1 members found this post helpful.

I did it via bash script. If any one require that script I can provide that.