Q-in-Q (VLAN Stacking) packet capture

admin — Fri, 22 Feb 2013 08:40:09 +0000

The capture is showing the q-in-q tagging where VLAN ID 600 is the customer VLAN and VLAN ID 101 is the metro tag (Service provider tag). Tha capture consist of ICMP pings among two customer IP hosts (vlan 600) with IP addresses, 192.168.1.1 and 192.168.1.2, carried over ISP MAN network (service ID 101).

Number of packets: 11

We should apply the Wireshark filter

vlan.id == SERVICE_PROVIDER_ID && vlan.id == CUSTOMR_ID

with appropriate VLAN tags, in the example

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IGMPv2 packet capture

admin — Thu, 07 Mar 2013 13:23:54 +0000

The capture displays an IGMPv2 multicast communication. The IP host with the IP address 192.168.10.108 is wishing to join 233.10.47.43 multicast group sending the Memership Report IGMP message (1st and 2nd packet). After sucesfull joining, it is leaving the group after a while with IGMP Leave Group message (3td packet), which follows by two Membership Queries issued by the default gateway with IP 192.168.10.1 on the multicast group address (233.10.47.43) checking for the actual group membership on the LAN for the multicast group.

Number of packets: 5

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Q-in-Q (VLAN Stacking) packet capture

IGMPv2 packet capture