[rancid] Extra Characters after logging in Arista switches

Matt Almgren matta at surveymonkey.com
Fri May 1 19:54:48 UTC 2015

Hi, I’m seeing some extra characters appear on the lines after logging in to Arista switches.

Here’s an example:

rancid at SITE-tools01:~$ bin/clogin SITE-sw16
spawn ssh -c 3des -x -l userremoved SITE-sw16
Last login: Fri May  1 19:37:19 2015 from
% Incomplete command

Yes, the “n” and control characters above are sic.

And here’s the config in .cloginrc if that helps:

## Arista
add method {SITE-sw[16|17|18]*} ssh
add passprompt {SITE-sw[16|17|18]*} {"\[Pp]assword:"}
add user {SITE-sw[16|17|18]*} {userremoved}
add password {SITE-sw[16|17|18]*} {removed}
add noenable {SITE-sw[16|17|18]*} 1

The SITE, IP, username and password have been changed to protect the innocent.

Logging in manually with same username and password doesn’t do this:

rancid at SITE-tools01:~$ ssh userremoved at SITE-sw16
Last login: Fri May  1 19:40:44 2015 from

We use TAC+ for ALL authentication if that adds any help figuring out this problem.

Thanks, Matt

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