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I am looking for a tool to compare running configs on cisco routers? I want to do it live for about 35 of our common routers. comparing 2 at a time is fine. Only things I can find in the toolset want to comare startup and running on same unit.

I am wanting to be able to compare running configs across multiple routers concurrently. The doc I can find says it can do it, but everything I can find compares running to startup. Any answers to clear up the haze?

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superfly

You can do this with NCM. Download the running configs you want to compare. Then just select the ones you want to compare and right click and select "Compare Selected Configs"

HolyGuacamole

You may want to download a free trial of network configuration manager

cnorborg

Sounds to me like he's looking more for a way to compare configs against a baseline, which once again NCM will do. You can't compare configs from different routers I believe though within NCM.

If you're downloading the files to a windows box before comparing, try "WinMerge". Excellent tool for comparing any files to eachother, I believe you can only do 2 at a time though...

You can also do it with WinDiff and VIM, but I think WinMerge is easier. Link below to the site...

WinMerge

cvachovecj

Actually, you can compare configs from different devices. Steps in NCM 7.3.x:

Go to Configs -> Configuration Management
Select devices you want to compare configs for and click on "Compare node(s) configs"
Select configs to compare

Regards,

Jiri

superfly

Craig Norborg wrote:
You can't compare configs from different routers I believe though within NCM.

As Jiri mentioned you can do this. I'm still using the GUI tool on the Solarwinds server. On the left hand side in NCM I just highlight the configs from whichever devices I wish to compare (hold down the control key as you select the configs). Once done, I right click on one of the highlighted configs and select Compare Selected Configs.