Heth: New page: #!/usr/bin/perl -w use strict; use Net::SNMP; my($error,$session,$seed_oid,$oid_root,$community,$hostname,$seed_ip); my(%done); my(@todo); $done{"0.0.0.0"}=1; $communi...

2009-07-26T14:38:26Z

New page: <source lang=perl> #!/usr/bin/perl -w use strict; use Net::SNMP; my($error,$session,$seed_oid,$oid_root,$community,$hostname,$seed_ip); my(%done); my(@todo); $done{"0.0.0.0"}=1; $communi...

New page

<source lang=perl>
#!/usr/bin/perl -w
use strict;
use Net::SNMP;
my($error,$session,$seed_oid,$oid_root,$community,$hostname,$seed_ip);
my(%done);
my(@todo);
$done{"0.0.0.0"}=1;

$community = "public";
@todo=("192.168.1.1"); #List of possible targets
$oid_root = "1.3.6.1.4.1.9.9.23.1.2.1.1";
$seed_oid = ("$oid_root".".3");

while(@todo){ #Grab a target and go to work

$hostname= shift(@todo);
unless(exists $done{$hostname}){ #Make sure we haven't done this one yet

print "\n\nCDP Neighbor Details for $hostname\n";
print "-------------------\uffff--------------------\uffff--------------------\uffff--------------------\uffff-------------\n";
print "Neighbor IP Name Interface Type |\n";
print "-------------------\uffff--------------------\uffff--------------------\uffff--------------------\uffff-------------\n";

$done{$hostname}=1; #Remember that we checked this IP

#Open SNMP session
($session,$error)=Net::SNMP->session(Hostname =>$hostname,Community=>$community);
return unless($session);

get_oids($seed_oid); #Get the SNMP info for this target

$session->close;

}
}

#-------------------\uffff--------------------\uffff-------------------
#This sub finds out how many neighbors the target has
#and determines what oids we need to use to get the info that
#we want, then calls other subs to get that info
#-------------------\uffff--------------------\uffff-------------------
sub get_oids{
my($starting_oid , $new_oid , $unique_oid , $result , $crap);
my($hex_ip, $ip , $name , $port , $type);
$starting_oid = $_[0];
$new_oid = $starting_oid ;

while(Net::SNMP::oid_context_match($starting_oid,$new_oid)){
$result = $session->get_next_request(($new_oid));
return unless (defined $result);
($new_oid , $crap) = %$result;
if (Net::SNMP::oid_context_match($starting_oid,$new_oid)){
$unique_oid = $new_oid;
$unique_oid =~ s/$starting_oid//g;
$hex_ip = (Get_SNMP_Info("$oid_root".".4"."$unique_oid"));
$ip = (Convert_IP($hex_ip));
$name = (Get_SNMP_Info("$oid_root".".6"."$unique_oid"));
$port = (Get_SNMP_Info("$oid_root".".7"."$unique_oid"));
$type = (Get_SNMP_Info("$oid_root".".8"."$unique_oid"));
@todo=(@todo,$ip);
write;
get_oids($new_oid);

}
}
#Format the report
format STDOUT =
@<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<<<<<<<
$hex_ip, $ip,$name,$port,$type
.
}

sub Convert_IP{ #This sub converts a hex IP to standard xxx.xxx.xxx.xxx format
my($ip , $result , $crap);
my($hex1 , $hex2 , $hex3 , $hex4);
my($oct1 , $oct2 , $oct3 , $oct4);
my($hex_ip) = $_[0] ;

if (substr($hex_ip,0,1) eq ""){
$ip = "0.0.0.0";
}
else{
$hex_ip =~ s/0x//g;
$hex1 = (substr $hex_ip,0,2);
$hex2 = (substr $hex_ip,2,2);
$hex3 = (substr $hex_ip,4,2);
$hex4 = (substr $hex_ip,6,2);

$oct1 = hex($hex1);
$oct2 = hex($hex2);
$oct3 = hex($hex3);
$oct4 = hex($hex4);
$ip = ("$oct1.$oct2.$oct3.$oct4");
}
return $ip;
}

sub Get_SNMP_Info{ #This sub gets the value of an oid

my($crap , $value , $result);
my($oid) = $_[0];
$result = $session->get_request("$oid");
#return unless (defined $result);
($crap , $value) = %$result;
return $value;

}

</source>
[[Category:Perl]]

Cisco CDP.pl - Revision history

Heth: New page: #!/usr/bin/perl -w use strict; use Net::SNMP; my($error,$session,$seed_oid,$oid_root,$community,$hostname,$seed_ip); my(%done); my(@todo); $done{"0.0.0.0"}=1; $communi...