# tshark -i dlink -V Capturing on dlink Frame 1 (82 bytes on wire, 82 bytes captured) Arrival Time: Oct 17, 2008 11:13:47.231088000 [Time delta from previous captured frame: 0.000000000 seconds] [Time delta from previous displayed frame: 0.000000000 seconds] [Time since reference or first frame: 0.000000000 seconds] Frame Number: 1 Frame Length: 82 bytes Capture Length: 82 bytes [Frame is marked: False] [Protocols in frame: eth:vlan:ip:ospf] Ethernet II, Src: Cisco_b9:85:31 (00:06:28:b9:85:31), Dst: UscInfor_00:00:05 (01:00:5e:00:00:05) Destination: UscInfor_00:00:05 (01:00:5e:00:00:05) Address: UscInfor_00:00:05 (01:00:5e:00:00:05) .... ...1 .... .... .... .... = IG bit: Group address (multicast/broadcast) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) Source: Cisco_b9:85:31 (00:06:28:b9:85:31) Address: Cisco_b9:85:31 (00:06:28:b9:85:31) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) Type: 802.1Q Virtual LAN (0x8100) 802.1Q Virtual LAN 000. .... .... .... = Priority: 0 ...0 .... .... .... = CFI: 0 .... 0000 0010 0001 = ID: 33 Type: IP (0x0800) Internet Protocol, Src: 172.17.2.2 (172.17.2.2), Dst: 224.0.0.5 (224.0.0.5) Version: 4 Header length: 20 bytes Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00) 0000 00.. = Differentiated Services Codepoint: Default (0x00) .... ..0. = ECN-Capable Transport (ECT): 0 .... ...0 = ECN-CE: 0 Total Length: 64 Identification: 0x0001 (1) Flags: 0x00 0... = Reserved bit: Not set .0.. = Don't fragment: Not set ..0. = More fragments: Not set Fragment offset: 0 Time to live: 64 Protocol: OSPF IGP (0x59) Header checksum: 0xec4b [correct] [Good: True] [Bad : False] Source: 172.17.2.2 (172.17.2.2) Destination: 224.0.0.5 (224.0.0.5) Open Shortest Path First OSPF Header OSPF Version: 2 Message Type: Hello Packet (1) Packet Length: 44 Source OSPF Router: 172.17.2.2 (172.17.2.2) Area ID: 0.0.0.0 (Backbone) Packet Checksum: 0xf464 [correct] Auth Type: Null Auth Data (none) OSPF Hello Packet Network Mask: 255.255.255.0 Hello Interval: 10 seconds Options: 0x00 () 0... .... = DN: DN-bit is NOT set .0.. .... = O: O-bit is NOT set ..0. .... = DC: Demand circuits are NOT supported ...0 .... = L: The packet does NOT contain LLS data block .... 0... = NP: Nssa is NOT supported .... .0.. = MC: NOT multicast capable .... ..0. = E: NO ExternalRoutingCapability Router Priority: 1 Router Dead Interval: 40 seconds Designated Router: 172.17.2.2 Backup Designated Router: 172.17.2.1 1 packets captured