[rancid] Device not contacted

[Ryan Milton]

Exactly! That is exactly what there is. I’m close to throwing the
Netscreens out for newer Juniper SRX devices.

Ryan

On 12/18/13, 4:43 PM, "Alan McKinnon" <alan.mckinnon at gmail.com> wrote:

>Hi Ryan
>
>Glad you got that one sorted out.
>
>Is there a command on the Netscreen to disable the pager for a session,
>like "terminal length 0" in IOS?
>
>If so, please post it so the command can be added to nlogin.
>otherwise you are forced to disable the pager in the device config
>always, that seems overly-restrictive
>
>
>
>
>On 18/12/2013 20:25, Ryan Milton wrote:
>> Thanks Alan,
>> 
>> I don¹t think I even get that far! I get a hangup almost immediately.
>> 
>> BUT! I noticed that there should have been no issue given that those
>> commands worked perfectly. The problem was that the Netscreen was set to
>> ³| more² rather than blurt out the whole config! That was a minor change
>> to the console output command to not limit to 20 lines at a time.
>> 
>> So, then I tested with rancid-run, it all worked!
>> 
>> Thanks for the time/tips, that was helpful to find the root cause.
>> 
>> Regards,
>> Ryan Milton
>> MVS Network Manager
>> o: 201.447.1505 x124
>> c: 862-249-5230
>> 
>> 
>> 
>> 
>> 
>> 
>> On 12/17/13, 7:22 PM, "Alan McKinnon" <alan.mckinnon at gmail.com> wrote:
>> 
>>> Hi Ryan,
>>>
>>> Run this manually:
>>>
>>> nlogin -t 90 -c"get system;get conf" <firewall address> | less
>>>
>>> It's the same command that nrancid will run. You can pipe the output to
>>> less, or redirect it to a file or whatever, the idea here is to be able
>>> to examine the output at leisure.
>>>
>>> "missed cmds" always means little more than "something went wrong",
>>>it's
>>> your signal to sharpen those debugging tools :-)
>>>
>>> I'm not familiar with NetScreens, but there's only two commands run by
>>> nrancid so it gets easier. Look at the nlogin output above carefully
>>> with fresh eyeballs. At the point where get system ends and get conf
>>> starts, is there anything odd there? Is the prompt correct?
>>>
>>> The code that finds the start of each command in the output and runs
>>>the
>>> correct sub is this (edited for clarity):
>>>
>>>
>>> TOP: while(<INPUT>) {
>>>    while (/>\s*($cmds_regexp)\s*$/) {
>>>        $cmd = $1;
>>>        if (!defined($prompt)) {
>>>            $prompt = ($_ =~ /^([^>]+->)/)[0];
>>>            $prompt =~ s/([][}{)(\\])/\\$1/g;
>>>            print STDERR ("PROMPT MATCH: $prompt\n") if ($debug);
>>>        }
>>>        $rval = &{$commands{$cmd}};
>>>        delete($commands{$cmd});
>>>        if ($rval == -1) {
>>>            last TOP;
>>>        }
>>>    }
>>> }
>>>
>>> and the sub does this (also edited for clarity):
>>>
>>> sub GetSystem {
>>>
>>>    while (<INPUT>) {
>>>        last if(/$prompt/);
>>>    }
>>> }
>>>
>>> Basically, if the prompt doesn't match what the script expects it to
>>>be,
>>> GetSystem runs till the very end, GetConf never runs at all, and "get
>>> conf" is tagged as not being detected - the error you see.
>>>
>>> The prompt must match the regexes in the "if (!defined($prompt))" for
>>> all of this magic to work at all.
>>>
>>> If nothing seems untoward at this point, run:
>>>
>>> nrancid -d <firewall address> and look for the text "PROMPT MATCH",
>>> verify that it matches reality.
>>>
>>> There can be other reasons for this error, but lets go for the common
>>> low hanging fruit first.
>>>
>>>
>>>
>>>
>>> On 17/12/2013 17:39, Ryan Milton wrote:
>>>> Hi all (Alan),
>>>>
>>>>  
>>>>
>>>> Rancid has generally been running smooth as can be with my small
>>>> deployment. I have just added two more Netscreen firewalls, to bring
>>>>to
>>>> a total of 6 Netscreen204s.
>>>>
>>>>  
>>>>
>>>> Only issue is that one of the new devices is being a pain with that
>>>> dreaded ³The following routers have not been successfully contacted
>>>>for
>>>> more than 4 hours.² Error.
>>>>
>>>>  
>>>>
>>>> All  devices have same login in the .clonginrc
>>>>
>>>>  
>>>>
>>>> All devices can be logged into manually using the nlogin script.
>>>>
>>>>  
>>>>
>>>> Log files only show:
>>>>
>>>> Getting missed routers: round 1.
>>>>
>>>> 195.3.XXX.XXX: missed cmd(s): get conf
>>>>
>>>> 195.3.XXX.XXX: End of run not found
>>>>
>>>> #
>>>>
>>>>  
>>>>
>>>> The router.db file is fine, and the FW has the correct login info. Any
>>>> idea what might the issue be?
>>>>
>>>>  
>>>>
>>>> Regards,
>>>>
>>>> Ryan Milton
>>>>
>>>> MVS Network Manager
>>>>
>>>> o: 201-447-1505 x124
>>>>
>>>> c: 862-249-5230
>>>>
>>>> www.mvsusa.com <http://www.mvsusa.com/>
>>>>
>>>> MVS final logo GOOD very small
>>>>
>>>>  
>>>>
>>>>  
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> Rancid-discuss mailing list
>>>> Rancid-discuss at shrubbery.net
>>>> http://www.shrubbery.net/mailman/listinfo/rancid-discuss
>>>>
>>>
>>>
>>> -- 
>>> Alan McKinnon
>>> alan.mckinnon at gmail.com
>>>
>>> _______________________________________________
>>> Rancid-discuss mailing list
>>> Rancid-discuss at shrubbery.net
>>> http://www.shrubbery.net/mailman/listinfo/rancid-discuss
>> 
>
>
>-- 
>Alan McKinnon
>alan.mckinnon at gmail.com
>
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