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#!/usr/bin/perl
use Getopt::Long;
use strict;
my ($iface, $dhcp, $route, $table, $nip, $oip, $reason);
GetOptions("interface=s" => \$iface,
"dhcp=s" => \$dhcp,
"route=s" => \$route,
"table=s" => \$table,
"new_routers=s" => \$nrouters,
"old_routers=s" => \$orouters,
"reason=s" => \$reason);
# check if an update is needed
exit(0) if (($iface ne $dhcp) || ($orouters eq $nrouters) || ($reason ne "BOUND"));
logger("DHCP address on $iface updated to $nip from $oip: Updating static route $route in table $table.");
if ($table eq "main") {
$table = "";
}
else {
$table = "table $table";
}
system("vtysh -c 'configure terminal' -c 'ip route $route $nrouters $table' ");
sub logger {
my $msg = pop(@_);
my $FACILITY = "daemon";
my $LEVEL = "notice";
my $TAG = "tunnel-dhclient-hook";
my $LOGCMD = "logger -t $TAG -p $FACILITY.$LEVEL";
system("$LOGCMD $msg");
}
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