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adding basic mac-accounting polling and discovery (MANUAL!!)
git-svn-id: http://www.observium.org/svn/observer/trunk@371 61d68cd4-352d-0410-923a-c4978735b2b8
This commit is contained in:
Adam Amstrong
36
discover-macaccounting.php
Executable file
36
discover-macaccounting.php
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#!/usr/bin/php
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<?
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ini_set('display_errors', 1);
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ini_set('display_startup_errors', 1);
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ini_set('log_errors', 1);
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ini_set('error_reporting', E_ALL);
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include("config.php");
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include("includes/functions.php");
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include("includes/cdp.inc.php");
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$start = utime();
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### Observer Device Discovery
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echo("Observer v".$config['version']." MAC Accounting Discovery\n\n");
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mysql_query("DELETE FROM mac_accounting WHERE 1");
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$data = trim(`cat mac-accounting.txt`);
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foreach( explode("\n", $data) as $peer_entry) {
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list($interface_ip, $peer_ip, $peer_desc, $peer_asn, $peer_mac, $in_oid, $out_oid) = explode(",", $peer_entry);
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$interface_id = mysql_result(mysql_query("SELECT interface_id FROM ipaddr WHERE addr = '$interface_ip'"),0);
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$device_id = mysql_result(mysql_query("SELECT device_id FROM interfaces WHERE interface_id = '$interface_id'"),0);
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echo("PEER : $peer_ip AS$peer_asn ($peer_mac) int: $interface_id host: $device_id \n");
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mysql_query("INSERT INTO `mac_accounting` (interface_id, peer_ip, peer_desc, peer_asn, peer_mac, in_oid, out_oid) VALUES ('$interface_id','$peer_ip','$peer_desc','$peer_asn','$peer_mac','$in_oid','$out_oid')");
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}
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?>
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163
mac-accounting.pl
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163
mac-accounting.pl
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#! /usr/bin/perl
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# $Id: bgp-peers.pl,v 1.5 2001/08/06 14:45:55 lwa Exp $
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# $Log: bgp-peers.pl,v $
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# Revision 1.5 2001/08/06 14:45:55 lwa
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# add help
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#
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# Revision 1.4 2001/08/03 19:03:22 lwa
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# display hardware mac address (in Cisco format)
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#
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#
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=pod
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=head1 NAME
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bgp-peers.pl - generate MRTG configuration for BGP peering point
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=head1 SYNOPSIS
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./bgp-peers.pl <your IP on the exchange point> <its snmp comunity>
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=head1 DESCRIPTION
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This program generates a MRTG configuration file for graphing traffic
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to and from all peers present on a Cisco NAP, using
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mac-accounting. Tested with Cisco 720x and Cisco 750x.
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You can then use indexmaker (from mrtg distribution) to generate a cool index
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and run the whole stuff from a cronjob.
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=head2 CISCO CONFIGURATION
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Enable mac-accounting on NAP interface (see the example below)
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=over 4
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Router# conf t
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Router(config)# interface FastEthernet2/0
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Router(config-if)# ip accounting mac-address input
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Router(config-if)# ip accounting mac-address output
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Router(config-if)#exit
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Router(config)#exit
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=back
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=head1 BUGS
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The only problem I have noticed is when your are not getting any data
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from a peer (IN or OUT) the variable wont be in the SNMP tree and
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MRTG will complain. If its occurs during long time, this probably mean
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you have a problem with your peer because you are expected to make
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some traffic with it (at least, BGP traffic).
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If the peer change its hardware address, you have to re-run
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this program to take the modification.
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=head1 THANKS
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Thanks to groups.google.com for the tricks : http://groups.google.com/groups?q=this_mac&hl=en&safe=off&rnum=1&ic=1&selm=91750329.28451%40news.Colorado.EDU
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Thanks to Robert Kiessling from Easynet Germany to have irritated us.
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=head1 AUTHORS
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Erwan Lerale <erwan@de.clara.net>
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Arnaud le Taillanter <alt@fr.clara.net>
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Laurent Wacrenier <lwa@teaser.fr>
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=cut
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use SNMP_Session;
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use SNMP_util;
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use BER;
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use Socket;
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my $hostname = shift;
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my $community = shift;
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my %interface;
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$interface{ip} = shift;
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if ($hostname !~ /^\d+\.\d+\.\d+\.\d+$/) {
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print STDERR
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"usage: $0 router community interface_ip \n";
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exit 1;
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}
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$community = "public" unless defined $community;
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my %OIDS = (
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ipNetToMediaPhysAddress => "1.3.6.1.2.1.4.22.1.2",
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bgpPeerState => "1.3.6.1.2.1.15.3.1.2",
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bgpPeerRemoteAs => "1.3.6.1.2.1.15.3.1.9",
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bgpPeerRemoteAddr => "1.3.6.1.2.1.15.3.1.7",
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bgpPeerLocalAddr => "1.3.6.1.2.1.15.3.1.5",
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cipMacSwitchedBytes => "1.3.6.1.4.1.9.9.84.1.2.1.1.4",
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);
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my %peers;
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($interface{index}) = snmpget("$community\@$hostname",
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"ipAdEntIfIndex.$interface{ip}");
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($interface{speed}) = snmpget("$community\@$hostname",
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"ifSpeed.$interface{index}");
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$interface{speed}/=8;
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my $session = SNMP_Session->open ($hostname, $community, 161)
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or die "Couldn't open SNMP session to $hostname";
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$session->map_table([ [split /\./, $OIDS{bgpPeerRemoteAddr}],
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[split /\./, $OIDS{bgpPeerRemoteAs}],
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[split /\./, $OIDS{bgpPeerState}],
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[split /\./, $OIDS{bgpPeerLocalAddr}],
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], \&getpeers);
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sub getpeers {
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my ($index, $RemoteAddr, $RemoteAs, $State, $LocalAddr) = @_;
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my $pLocalAddr = pretty_print($LocalAddr);
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return if $pLocalAddr ne $interface{ip};
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my ($PhysAddress) = snmpget("$community\@$hostname",
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"ipNetToMediaPhysAddress.$interface{index}.$index");
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$peer{$index} = {
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RemoteAs => pretty_print($RemoteAs),
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PhysAddress => join(".", unpack("C*", $PhysAddress)),
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};
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}
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for my $peer (sort keys %peer) {
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my $name = gethostbyaddr(inet_aton($peer), AF_INET) || $peer;
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my $mac = sprintf "%02x%02x.%02x%02x.%02x%02x",
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split(/\./, $peer{$peer}->{PhysAddress});
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# print <<EOF;
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#Target[$peer]: $OIDS{cipMacSwitchedBytes}.$interface{index}.1.$peer{$peer}->{PhysAddress}\&$OIDS{cipMacSwitchedBytes}.$interface{index}.2.$peer{$peer}->{PhysAddress}:$community\@$interface{ip}
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#MaxBytes[$peer]: $interface{speed}
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#Options[$peer]: bits, growright
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#ShortLegend[$peer]: bps
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#Title[$peer]: MAC traffic for <tt>$name</tt> (AS$peer{$peer}->{RemoteAs})
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#PageTop[$peer]: <H1>MAC traffic for <tt>$name</tt> (AS$peer{$peer}->{RemoteAs})
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# </H1>
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# <TABLE>
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# <TR><TD>Peer Name:</TD><TD><tt>$name</tt></TD></TR>
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# <TR><TD>IP address:</TD><TD><tt>$peer</tt></TD></TR>
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# <TR><TD>Mac address:</TD><TD><tt>$mac</tt></TD></TR>
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# <TR><TD>Peer AS:</TD><TD><tt>$peer{$peer}->{RemoteAs}</tt></TD></TR>
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# </TABLE>
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#
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#EOF
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print <<EOF;
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$interface{ip},$peer,$name,$peer{$peer}->{RemoteAs},$mac,$OIDS{cipMacSwitchedBytes}.$interface{index}.1.$peer{$peer}->{PhysAddress},$OIDS{cipMacSwitchedBytes}.$interface{index}.2.$peer{$peer}->{PhysAddress},$community
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EOF
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}
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2
mac-accounting.sh.example
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2
mac-accounting.sh.example
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./mac-accounting.pl <router> planning <interface-ip> > mac-accounting.txt
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./mac-accounting.pl <router> planning <interface-ip> >> mac-accounting.txt
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41
poll-mac_accounting.php
Executable file
41
poll-mac_accounting.php
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#!/usr/local/bin/php
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<?php
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include("config.php");
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include("includes/functions.php");
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$mac_accounting_query = mysql_query("SELECT * FROM `mac_accounting` as A, `interfaces` AS I, `devices` AS D where A.interface_id = I.interface_id AND I.device_id = D.device_id AND D.status = '1'");
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while ($acc = mysql_fetch_array($mac_accounting_query)) {
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echo("Polling :" . $acc['peer_ip']. " " . $acc['ifDescr']. " " . $acc['hostname'] . "\n");
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$snmp_cmd = $config['snmpget'] . " -O Uqnv -" . $acc['snmpver'] . " -c " . $acc['community'] . " " . $acc['hostname'];
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$snmp_cmd .= " " . $acc['in_oid'] . " " . $acc['out_oid'];
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$snmp_output = trim(`$snmp_cmd`);
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list($in,$out) = explode("\n", $snmp_output);
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$acc_rrd = $config['rrd_dir'] . "/" . $acc['hostname'] . "/mac-accounting";
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if(!is_dir($acc_rrd)) { mkdir($acc_rrd); echo("Created directory : $acc_rrd\n"); }
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$rrdfile = $acc_rrd . "/" . $acc['ifIndex'] . "-" . $acc['peer_ip'] . ".rrd";
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if(!is_file($rrdfile)) {
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$woo = shell_exec($config['rrdtool'] ." create $rrdfile \
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DS:IN:COUNTER:600:0:12500000000 \
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DS:OUT:COUNTER:600:0:12500000000 \
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RRA:AVERAGE:0.5:1:600 \
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RRA:AVERAGE:0.5:6:700 \
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RRA:AVERAGE:0.5:24:775 \
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RRA:AVERAGE:0.5:288:797 \
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RRA:MAX:0.5:1:600 \
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RRA:MAX:0.5:6:700 \
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RRA:MAX:0.5:24:775 \
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RRA:MAX:0.5:288:797");
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}
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$woo = "N:$in:$out";
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$ret = rrdtool_update("$rrdfile", $woo);
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}
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?>
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