bks has asked for the wisdom of the Perl Monks concerning the following question:
Hi All
I have written a small script that would ideally login into a cisco router and run a command and display the output onto console but i have encountered with an error and not able to proceed further.
Initially i encountered with error as pattern match timed out.
Found an perl monk link where it was mentioned to add line "$session->print("\r"); # required to wakeup.".
After adding the above line i'm getting error as below even though username and password are correct
Error: login failed: access denied or bad username at core_switch.pl line 29
I'm suspecting its something related to prompt and delay in passing username and password, but not sure how to overcome that
Please post a sample code and point me in the right direction to avoid the error and connect Cisco device
Is there a way where whenever i execute this script, it should prompt me to input the username and password for switch
I would like to know both ways i.e. hard coding of username and password, and also when i execute the script it should prompt for username and password
My code
#!/usr/bin/perl use strict; use Net::Telnet; use Net::Telnet::Cisco; # Command line argument while executing the script if ($#ARGV < 0) { print "Please run the script with correct arguments\n\n"; print "Usage Details:perl core_switch.pl <Device IP>\n"; print "Ex: perl core_switch.pl 192.168.3.10\n"; exit; } my $ip = $ARGV[0]; print "=============================================================== +============\n"; print "Device IP:$ip\n"; #Connecting to Cisco Device my $session = Net::Telnet::Cisco->new(Host => $ip, Dump_Log => "dump.l +og"); $session->login('xxxxx','xxxxxxxxxx'); #Executing the commands print "=============================================================== +============\n"; print "CPU process history\n"; my @process_history= $session->cmd('Show process cpu history'); print "@process_history\n"; print "=============================================================== +============\n"; $session->close;
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Re: Cannot connect to Cisco Device
by marto (Cardinal) on Apr 22, 2014 at 13:58 UTC | |
by bks (Novice) on May 23, 2014 at 12:13 UTC |