[rancid] No "Show VLAN" on Cisco 3750

[Shane Ronan]

That was EXACTLY my issue. I added “Client” to the list and I am now collecting the information.

Shane Ronan, Vice President – Technology Architect
State Street Global Exchange | 600 College Road East | Princeton, NJ 08540
P  (212) 259-3023    |  M (347) 413-4503
sronan at eexchange.com<mailto:sronan at eexchange.com>

From: <Hagen>, "Skye (skyeh at uidaho.edu<mailto:skyeh at uidaho.edu>)" <skyeh at uidaho.edu<mailto:skyeh at uidaho.edu>>
Date: Tuesday, April 1, 2014 at 5:02 PM
To: Shane Ronan <sronan at eexchange.com<mailto:sronan at eexchange.com>>, "Rancid-discuss at shrubbery.net<mailto:Rancid-discuss at shrubbery.net>" <Rancid-discuss at shrubbery.net<mailto:Rancid-discuss at shrubbery.net>>
Subject: Re: [rancid] No "Show VLAN" on Cisco 3750

Check your VTP setting. If it is set to 'client', it will not pick up the VLAN information.

Here is part of the relevant code, assuming version 2.3.6. I have slightly modified this to work with the Cisco ME3600

Skye.

sub ShowVTP {
    print STDERR "    In ShowVTP: $_" if ($debug);

    while (<INPUT>) {
        tr/\015//d;
        last if (/^$prompt/);
        next if (/^(\s*|\s*$cmd\s*)$/);
        return(1) if /^\s*\^\s*$/;
        return(1) if (/Line has invalid autocommand /);
        return(1) if (/(Invalid (input|command) detected|Type help or )/i);
        #return(1) if ($type !~ /^(2900XL|3500XL|6000)$/);
        return(-1) if (/command authorization failed/i);
        next if (/^Configuration last modified by/);
        # the pager can not be disabled per-session on the PIX
        if (/^(<-+ More -+>)/) {
            my($len) = length($1);
            s/^$1\s{$len}//;
        }
        if (/^VTP Operating Mode\s+:\s+(Transparent|Server)/) {    <====== Check and set flag here
            $DO_SHOW_VLAN = 1;
        }
        ProcessHistory("COMMENTS","keysort","I0","!VTP: $_");
    }
    ProcessHistory("COMMENTS","keysort","I0","!\n");
    return(0);
}

# This routine parses "show vlan"
sub ShowVLAN {
    print STDERR "    In ShowVLAN: $_" if ($debug);

    # ($_ = <INPUT>, return(1)) if (!$DO_SHOW_VLAN);     <====== Skip if flag set

    while (<INPUT>) {
        tr/\015//d;
        last if (/^$prompt/);
        next if (/^(\s*|\s*$cmd\s*)$/);
        return(1) if /^\s*\^\s*$/;
        return(1) if (/Line has invalid autocommand /);
        return(1) if (/(Invalid (input|command) detected|Type help or )/i);
        return(1) if (/Ambiguous command/i);
        return(-1) if (/command authorization failed/i);
        # the pager can not be disabled per-session on the PIX
        if (/^(<-+ More -+>)/) {
            my($len) = length($1);
            s/^$1\s{$len}//;
        }

        ProcessHistory("COMMENTS","keysort","IO","!VLAN: $_");
    }
    ProcessHistory("COMMENTS","keysort","IO","!\n");
    return(0);
}


From: Shane Ronan <SRonan at eexchange.com<mailto:SRonan at eexchange.com>>
Date: Tuesday, April 1, 2014 1:46 PM
To: "Rancid-discuss at shrubbery.net<mailto:Rancid-discuss at shrubbery.net>" <Rancid-discuss at shrubbery.net<mailto:Rancid-discuss at shrubbery.net>>
Subject: [rancid] No "Show VLAN" on Cisco 3750


I am trying to determine why Rancid isn’t recording the output of “show vlan” on my Cisco 3750G, (WS-C3750G-24TS) running 12.1(14r)EA1a

It collects and records this data for all other Cisco equipment types.

Help is appreciated.
Shane Ronan, Vice President – Technology Architect
State Street Global Exchange | 600 College Road East | Princeton, NJ 08540
P  (212) 259-3023    |  M (347) 413-4503
sronan at eexchange.com<mailto:sronan at eexchange.com>

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