Packet Captures
icmp fragmented.cap 106.4 KB
Submitted Aug 27, 2012 by altafk
pinged google.com with -l option in windows which allows us to set the data size of the packet.
Data size of 15000 bytes has been chosen and we can see that it is fragmented through the network into a maximum data size 1480 bytes in each packet.
We can also see offset and identification field set in the ip header.
| Packets: 77 | Duration: 11s | Downloads: 9170 |
icmp with record route option set.cap 1.2 KB
Submitted May 9, 2012 by altafk
ping packet with record route option set and IP addresses of all outgoing and incoming interfaces along the path.
In that we can also see position of current pointer.
| Packets: 10 | Duration: 2s | Downloads: 8980 |
traceroute_MPLS.cap 3.3 KB
Submitted May 14, 2011 by stretch
| Packets: 29 | Duration: 3s | Downloads: 19268 |
PPP_negotiation.cap 4.6 KB
Submitted Oct 22, 2009
CDP CDPCP CHAP ICMP IP IPCP LCP PPP
| Packets: 63 | Duration: 67s | Downloads: 11009 |
PPP.cap 3.6 KB
Submitted Sep 14, 2009
ICMP across a PPP serial link.
| Packets: 50 | Duration: 83s | Downloads: 8099 |
path_MTU_discovery.cap 6.2 KB
Submitted Sep 14, 2009
Tracepath is used to determine the MTU of the path between hosts 192.168.0.2 and .1.2. Packet #6 contains an ICMP "fragmentation needed" message, indicating the MTU for that hop is 1400 bytes.
| Packets: 8 | Duration: n/a | Downloads: 13106 |
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).
| Packets: 10 | Duration: n/a | Downloads: 12303 |
IP_in_IP.cap 1.5 KB
Submitted Sep 14, 2009
Direct IP-in-IP tunnel encapsulation (configured in Cisco IOS with tunnel mode ipip).
| Packets: 10 | Duration: n/a | Downloads: 12509 |
ICMP_across_frame_relay.cap 1.2 KB
Submitted Sep 14, 2009
A Cisco 3725 pinging its neighbor across a point-to-point frame relay connection.
| Packets: 10 | Duration: n/a | Downloads: 6261 |
ICMP_across_dot1q.cap 1.7 KB
Submitted Sep 14, 2009
A ping issued from 192.168.123.2 to 192.168.123.1 is encapsulated with an IEEE 802.1Q header, placing it in VLAN 123.
| Packets: 15 | Duration: 35s | Downloads: 11981 |