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Packet Captures

Frame-Relay over MPLS.pcap.cap 1.4 KB

Submitted Dec 5, 2009 by pierky

ICMP on a Frame-relay over MPLS link. If Wireshark doesn't understand it's FR, right click on a packet, select "Decode as" from the menu and select "Frame Relay DLCI PW" on the "MPLS" tab.

Ethernet MPLS

Packets: 10 Duration: 1s Downloads: 8902

EoMPLS_802.1q.pcap.cap 1.6 KB

Submitted Dec 5, 2009 by pierky

ICMP over EoMPLS with 802.1q tagging

Ethernet MPLS

Packets: 10 Duration: 1s Downloads: 7872

LDP_Ethernet_FrameRelay.pcap.cap 2.1 KB

Submitted Dec 5, 2009 by pierky

LDP with pseudowire FEC elements (Ethernet and Frame-Relay DLCI-to-DLCI)

Ethernet IP LDP MPLS TCP UDP

Packets: 14 Duration: 7s Downloads: 6826

BGP_redist.cap 378 bytes

Submitted Oct 28, 2009 by colinbsd

The OSPF metric is preserved and propagated within the MPLS cloud by the MP-BGP MED attribute.

BGP HDLC IP MPLS TCP

Packets: 2 Duration: n/a Downloads: 7272

EoMPLS.cap 7.0 KB

Submitted Oct 12, 2009 by pierky

Routers at 1.1.2.1 and 1.1.2.2 are PEs in a MPLS cloud. LDP starts at packet 8 and they build up a pseudo-wire VC (last FEC in packets 11 and 13). At packet 15 we already have STP running between CE1 and CE2 (two routers with ESW), encapsulated in 2 MPLS headers. All the ethernet stuff follows: CDP, ARP, ICMP between two hosts on the same subnet.

Ethernet IP LOOP MPLS TCP UDP

Packets: 56 Duration: 32s Downloads: 8005

MPLS_encapsulation.cap 1.3 KB

Submitted Sep 14, 2009

Capture taken from the PE1-P1 link. ICMP traffic between CE1 and CE2 is encapsulated outbound with MPLS label 18. Note that returning traffic is not labeled, due to penultimate hop popping (PHP).

Ethernet ICMP IP MPLS

Packets: 10 Duration: n/a Downloads: 7323