| Packets: 39 |
Duration: n/a |
Downloads: 15270 |
A TCP SACK option is included in packets #31, #33, #35, and #37. The missing segment is retransmitted in packet #38.
| Packets: 26 |
Duration: 35s |
Downloads: 10655 |
| Packets: 40 |
Duration: n/a |
Downloads: 10468 |
Simple HTTP transfer of a PNG image using wget
| Packets: 24 |
Duration: 60s |
Downloads: 8698 |
IPv6 routes are carried as a separate address family inside MP_REACH_NLRI attributes.
| Packets: 29 |
Duration: 3s |
Downloads: 7963 |
| Packets: 65 |
Duration: 46s |
Downloads: 7681 |
Dual-stack PPPoE: IP (IPv4) and IPv6 with DHCPv6
| Packets: 2 |
Duration: 2s |
Downloads: 7557 |
ARP requests having two vlan IDs attached (QinQ)
| Packets: 83 |
Duration: 38s |
Downloads: 7142 |
IP-HTTPS capture. This is Microsoft's IPv6 inside HTTPS tunneling for DirectAccess.
- Categories: None
- Protocols: ARP, DNS, Ethernet, ICMPv6, IGMP, IP, IPv6, LLC, NBNS, NBSS, SSL, TCP, UDP
| Packets: 12 |
Duration: 98s |
Downloads: 7021 |
LLDP and CDP advertisements sent between two switches, S1 and S2.
| Packets: 12 |
Duration: 153s |
Downloads: 6668 |
R0 is the client and R1 is the DHCP server. Lease time is 1 minute.
| Packets: 52 |
Duration: 52s |
Downloads: 6668 |
PPP link negotiation employing EAP MD5 authentication
| Packets: 22 |
Duration: 11s |
Downloads: 6667 |
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).
| Packets: 6 |
Duration: 13s |
Downloads: 6667 |
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: 38 |
Duration: 30s |
Downloads: 6601 |
ICMP pings from a CE to a second CE via a L2TPv3 pseudowire.
| Packets: 10 |
Duration: n/a |
Downloads: 6473 |
ICMP is encapsulated into a Generic Routing Encapsulation (GRE) tunnel.
| Packets: 113 |
Duration: 14s |
Downloads: 6382 |
Short Telnet session with an Opengear CM4116 used to demonstrate the urgent flag and pointer
| Packets: 63 |
Duration: 241s |
Downloads: 6344 |
Configured ospf over GRE tunnel in which packets are double tagged with ip header, useful when there is no direct connection between the 2 routers but still we need to run ospf.
| Packets: 20 |
Duration: 112s |
Downloads: 6147 |
| Packets: 34 |
Duration: 7s |
Downloads: 6085 |
TACACS+ authentication and authorization requests as made by a Cisco IOS router upon a user logging in via Telnet.
| Packets: 4 |
Duration: n/a |
Downloads: 6076 |
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: 20 |
Duration: 41s |
Downloads: 6042 |
Neighbor Discovery Protocol (NDP) uses ICMPv6 to perform duplicate address detection and address resolution. Also includes multicast listener reports.
| Packets: 10 |
Duration: 1s |
Downloads: 6020 |
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.
| Packets: 16 |
Duration: 61s |
Downloads: 5999 |
An EBGP with TCP MD5 authentication enabled
| Packets: 10 |
Duration: 1s |
Downloads: 5901 |
ICMP over EoMPLS with 802.1q tagging
| Packets: 2 |
Duration: n/a |
Downloads: 5856 |
The OSPF metric is preserved and propagated within the MPLS cloud by the MP-BGP MED attribute.
| Packets: 63 |
Duration: 67s |
Downloads: 5730 |
| Packets: 14 |
Duration: 26s |
Downloads: 5670 |
IEEE 802.1D Spanning Tree Protocol (STP) advertisements sent every two seconds.
| Packets: 56 |
Duration: 32s |
Downloads: 5625 |
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.
| Packets: 32 |
Duration: 33s |
Downloads: 5587 |
The master router (R1) goes offline. After the down interval passes (roughly 3 seconds), R3 takes over as the master router in packet #12. R2 also offers to take over but R3 wins because it has the higher IP address.
| Packets: 10 |
Duration: n/a |
Downloads: 5369 |
Direct IP-in-IP tunnel encapsulation (configured in Cisco IOS with tunnel mode ipip).
