VPN Traffic
Hi List Members,
i understand that perhaps i should not ask this question here. But you all are technical. Therefor, has anyone ever monitor the VPN traffic using any open source tools such as Zabbix/Nagios/Cacti? or any other Thanks _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos |
VPN Traffic
On 15/05/2012 15:56, Shiv. NK wrote:
Hi List Members, i understand that perhaps i should not ask this question here. But you all are technical. Therefor, has anyone ever monitor the VPN traffic using any open source tools such as Zabbix/Nagios/Cacti? or any other Thanks Can you provide a somewhat less generic term for "the VPN traffic"? If the VPN has an interface, then you can monitor this like you monitor any other interface, yes with Nagios / Cacti and the like... _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos |
VPN Traffic
> Can you provide a somewhat less generic term for "the VPN traffic"?
> > If the VPN has an interface, then you can monitor this like you monitor > any other interface, yes with Nagios / Cacti and the like... > Dear Glies, Thanks for the information sent. VPN is between two Cisco routers. using SNMP, it is possible to monitor the interface traffic for a snmp enabled device through Zabbix/Cacti. But cannot differentiate between the the kind of traffic. Saying other way, there is internet traffic on the same interface part from VPN consumption. I am searching for a specific tool if exists, that can differentiate the kind of traffic and graph separately. _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos |
VPN Traffic
On 15/05/2012 16:10, Shiv. NK wrote:
Can you provide a somewhat less generic term for "the VPN traffic"? If the VPN has an interface, then you can monitor this like you monitor any other interface, yes with Nagios / Cacti and the like... Dear Glies, Thanks for the information sent. VPN is between two Cisco routers. using SNMP, it is possible to monitor the interface traffic for a snmp enabled device through Zabbix/Cacti. But cannot differentiate between the the kind of traffic. Saying other way, there is internet traffic on the same interface part from VPN consumption. I am searching for a specific tool if exists, that can differentiate the kind of traffic and graph separately. If you were using tunnel interfaces on Cisco routers then you can monitor these with SNMP just like any interface. If you're using the nat classifier (it appears that you are) on an existing interface you would need to find a different SNMP OID for this, and I don't know whether it exists. I'd suggest asking in the Cisco-NSP mailing list. Failing that, if you export Netflow to a collector then you may be able to get good information on a flow (ip src :src port <--> ip dst: dst port) basis and you can identify your VPN traffic by source and destination addresses. Might be overkill, but it is good for getting all kinds of information. _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos |
VPN Traffic
On Tue, 2012-05-15 at 15:10 +0000, Shiv. NK wrote:
> Thanks for the information sent. VPN is between two Cisco routers. using > SNMP, it is possible to monitor the interface traffic for a snmp enabled > device through Zabbix/Cacti. But cannot differentiate between the the kind > of traffic. > Saying other way, there is internet traffic on the same interface part > from VPN consumption. I am searching for a specific tool if exists, that > can differentiate the kind of traffic and graph separately. VPNs usually create Tunnel interfaces. These interfaces have statistics like any other interface. Those statistics can be polled via SNMP. So any decent NMS should be able to monitor those. I monitor dozens of Tunnel (VPN) interfaces using ZenOSS; in my case these are GRE tunnels protected using IPSec associations. _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos |
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