Packet Captures
SSHv2.cap 11.4 KB
Submitted Sep 14, 2009
An SSH version 2 session between two routers. All communication is securely encrypted.
| Packets: 90 | Duration: 7s | Downloads: 45567 |
TCP_SACK.cap 27.5 KB
Submitted Jun 16, 2010
A TCP SACK option is included in packets #31, #33, #35, and #37. The missing segment is retransmitted in packet #38.
| Packets: 39 | Duration: n/a | Downloads: 26834 |
HTTP.cap 24.9 KB
Submitted Mar 1, 2011
Simple HTTP transfer of a PNG image using wget
| Packets: 40 | Duration: n/a | Downloads: 26830 |
802.1Q_tunneling.cap 5.0 KB
Submitted Jun 30, 2010
| Packets: 26 | Duration: 35s | Downloads: 21144 |
GRE.cap 1.5 KB
Submitted Sep 14, 2009
ICMP is encapsulated into a Generic Routing Encapsulation (GRE) tunnel.
| Packets: 10 | Duration: n/a | Downloads: 18936 |
cm4116_telnet.cap 9.4 KB
Submitted Mar 1, 2011
Short Telnet session with an Opengear CM4116 used to demonstrate the urgent flag and pointer
| Packets: 113 | Duration: 14s | Downloads: 17673 |
LACP.cap 2.8 KB
Submitted Nov 15, 2009
| Packets: 20 | Duration: 112s | Downloads: 17654 |
PPPoE_Dual-Stack_IPv4_IPv6-with_DHCPv6.cap 6.1 KB
Submitted Sep 13, 2010 by pierky
Dual-stack PPPoE: IP (IPv4) and IPv6 with DHCPv6
Ethernet IPCP IPV6CP IPv6 LCP PAP PPP PPPOED PPPOES
| Packets: 65 | Duration: 46s | Downloads: 16887 |
BGP_MP_NLRI.cap 2.9 KB
Submitted Jun 28, 2010
IPv6 routes are carried as a separate address family inside MP_REACH_NLRI attributes.
| Packets: 24 | Duration: 60s | Downloads: 16615 |
LLDP_and_CDP.cap 4.0 KB
Submitted Oct 3, 2010
LLDP and CDP advertisements sent between two switches, S1 and S2.
| Packets: 12 | Duration: 98s | Downloads: 15916 |
QinQ.pcap.cap 184 bytes
Submitted Jan 9, 2011 by Ysaad
ARP requests having two vlan IDs attached (QinQ)
| Packets: 2 | Duration: 2s | Downloads: 15798 |
IPv6_NDP.cap 2.1 KB
Submitted Sep 14, 2009
Neighbor Discovery Protocol (NDP) uses ICMPv6 to perform duplicate address detection and address resolution. Also includes multicast listener reports.
| Packets: 20 | Duration: 41s | Downloads: 15776 |
RADIUS.cap 775 bytes
Submitted Sep 14, 2009
A RADIUS authentication request is issued from a switch at 10.0.0.1 on behalf of an EAP client. The user authenticates via MD5 challenge with the username "John.McGuirk" and the password "S0cc3r".
| Packets: 4 | Duration: n/a | Downloads: 15696 |
iphttps.cap 12.4 KB
Submitted Nov 12, 2010 by nacnud
IP-HTTPS capture. This is Microsoft's IPv6 inside HTTPS tunneling for DirectAccess.
ARP DNS Ethernet ICMPv6 IGMP IP IPv6 LLC NBNS NBSS SSL TCP UDP
| Packets: 83 | Duration: 38s | Downloads: 14514 |
802.1X.cap 498 bytes
Submitted Sep 14, 2009
A wired client authenticates to its switch using 802.1x/EAP and MD5 challenge authentication.
| Packets: 7 | Duration: 19s | Downloads: 13780 |
IPsec_ESP-AH_tunnel_mode.cap 2.1 KB
Submitted Sep 14, 2009
Encrypted ICMP across an IPsec tunnel. AH and ESP headers are present.
| Packets: 10 | Duration: n/a | Downloads: 13734 |
802.1D_spanning_tree.cap 1.1 KB
Submitted Sep 14, 2009
IEEE 802.1D Spanning Tree Protocol (STP) advertisements sent every two seconds.
| Packets: 14 | Duration: 26s | Downloads: 13646 |
rpvstp-trunk-native-vid5.pcap.cap 1.8 KB
Submitted Dec 16, 2009 by einval
Rapid per-VLAN spanning tree capture of a trunk port, configured with native VLAN 5, VLAN 1 is also active over the trunk.
Capture shows that 3 BPDUs are sent out, one for classic STP (Frame 4, for example), one for the native VLAN 5 (not tagged - Frame 5) and one for each other active VLAN (tagged - Frame 3).
The PVST BPDUs contain the VLAN ID at the end of the frame (01 and 05, respectively).
DTP Ethernet LLC LOOP STP VLAN VTP
| Packets: 22 | Duration: 11s | Downloads: 13633 |
TACACS+_encrypted.cap 2.8 KB
Submitted Sep 28, 2010
TACACS+ authentication and authorization requests as made by a Cisco IOS router upon a user logging in via Telnet.
| Packets: 34 | Duration: 7s | Downloads: 13550 |
DHCP_MessageType 10,11,12 and 13.cap 1.9 KB
Submitted Jan 31, 2011 by Jawahar
Access Concentrator/router queries lease for particular IP addresses using message type as "DHCP LEASE QUERY" and gets response as DHCP LEASE ACTIVE,LEASE UNASSIGNED and LEASE UNKNOWN.
Access Concenttrator/Router IP=10.10.39.14
DHCP server IP=10.10.35.33
| Packets: 6 | Duration: 13s | Downloads: 13490 |
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 |
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_over_L2TPv3_Pseudowire.pcap.cap 5.3 KB
Submitted Sep 4, 2010 by onefst250r
ICMP pings from a CE to a second CE via a L2TPv3 pseudowire.
| Packets: 38 | Duration: 30s | Downloads: 12485 |
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 |
ISAKMP_sa_setup.cap 2.0 KB
Submitted Sep 14, 2009
An ISAKMP session is established prior to setting up an IPsec tunnel. Phase one occurs in main mode, and phase two occurs in quick mode.
| Packets: 9 | Duration: n/a | Downloads: 12247 |