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Packet Captures

Showing 1 - 25 of 94

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.

Ethernet HTTP IP TCP

Packets: 39 Duration: n/a Downloads: 26188

HTTP.cap 24.9 KB

Submitted Mar 1, 2011

Simple HTTP transfer of a PNG image using wget

Ethernet HTTP IP TCP

Packets: 40 Duration: n/a Downloads: 25818

SSHv2.cap 11.4 KB

Submitted Sep 14, 2009

An SSH version 2 session between two routers. All communication is securely encrypted.

Ethernet IP SSH TCP

Packets: 90 Duration: 7s Downloads: 25030

802.1Q_tunneling.cap 5.0 KB

Submitted Jun 30, 2010

CDP Ethernet IP LLC VLAN

Packets: 26 Duration: 35s Downloads: 20675

GRE.cap 1.5 KB

Submitted Sep 14, 2009

ICMP is encapsulated into a Generic Routing Encapsulation (GRE) tunnel.

Ethernet GRE IP

Packets: 10 Duration: n/a Downloads: 18242

LACP.cap 2.8 KB

Submitted Nov 15, 2009

Ethernet LACP

Packets: 20 Duration: 112s Downloads: 16923

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

Ethernet IP TCP Telnet

Packets: 113 Duration: 14s Downloads: 16911

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 IPv6 IPV6CP LCP PAP PPP PPPOED PPPOES

Packets: 65 Duration: 46s Downloads: 16512

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.

BGP Ethernet IP IPv6 TCP

Packets: 24 Duration: 60s Downloads: 16169

QinQ.pcap.cap 184 bytes

Submitted Jan 9, 2011 by Ysaad

ARP requests having two vlan IDs attached (QinQ)

ARP Ethernet VLAN

Packets: 2 Duration: 2s Downloads: 15399

LLDP_and_CDP.cap 4.0 KB

Submitted Oct 3, 2010

LLDP and CDP advertisements sent between two switches, S1 and S2.

CDP Ethernet LLC LLDP

Packets: 12 Duration: 98s Downloads: 15300

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.

Ethernet ICMPv6 IPv6

Packets: 20 Duration: 41s Downloads: 15234

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".

Ethernet IP RADIUS UDP

Packets: 4 Duration: n/a Downloads: 14977

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: 14031

802.1D_spanning_tree.cap 1.1 KB

Submitted Sep 14, 2009

IEEE 802.1D Spanning Tree Protocol (STP) advertisements sent every two seconds.

Ethernet LLC STP

Packets: 14 Duration: 26s Downloads: 13292

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: 13243

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.

AH ESP Ethernet IP

Packets: 10 Duration: n/a Downloads: 13185

802.1X.cap 498 bytes

Submitted Sep 14, 2009

A wired client authenticates to its switch using 802.1x/EAP and MD5 challenge authentication.

EAPoL Ethernet

Packets: 7 Duration: 19s Downloads: 13177

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

BOOTP Ethernet IP UDP

Packets: 6 Duration: 13s Downloads: 13113

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.

Ethernet IP TACACS+ TCP

Packets: 34 Duration: 7s Downloads: 13092

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.

Ethernet ICMP IP UDP

Packets: 8 Duration: n/a Downloads: 12615

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).

Ethernet ICMP IP

Packets: 10 Duration: n/a Downloads: 12244

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.

Ethernet IP L2TP LOOP OSPF

Packets: 38 Duration: 30s Downloads: 12181

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: 12008

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: 11895

Showing 1 - 25 of 94