Created
April 17, 2022 23:22
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No. Time Source Destination Protocol Length Info | |
2 0.253355 RealtekU_00:00:00 Spanning-tree-(for-bridges)_00 STP 167 MST. Root = 32768/0/52:54:00:00:00:00 Cost = 0 Port = 0x8001 | |
Frame 2: 167 bytes on wire (1336 bits), 167 bytes captured (1336 bits) | |
Encapsulation type: Ethernet (1) | |
Arrival Time: Apr 17, 2022 15:19:24.396329000 Alaskan Daylight Time | |
[Time shift for this packet: 0.000000000 seconds] | |
Epoch Time: 1650237564.396329000 seconds | |
[Time delta from previous captured frame: 0.253355000 seconds] | |
[Time delta from previous displayed frame: 0.253355000 seconds] | |
[Time since reference or first frame: 0.253355000 seconds] | |
Frame Number: 2 | |
Frame Length: 167 bytes (1336 bits) | |
Capture Length: 167 bytes (1336 bits) | |
[Frame is marked: False] | |
[Frame is ignored: False] | |
[Protocols in frame: eth:llc:stp] | |
[Coloring Rule Name: Broadcast] | |
[Coloring Rule String: eth[0] & 1] | |
IEEE 802.3 Ethernet | |
Destination: Spanning-tree-(for-bridges)_00 (01:80:c2:00:00:00) | |
Address: Spanning-tree-(for-bridges)_00 (01:80:c2:00:00:00) | |
.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) | |
.... ...1 .... .... .... .... = IG bit: Group address (multicast/broadcast) | |
Source: RealtekU_00:00:00 (52:54:00:00:00:00) | |
Address: RealtekU_00:00:00 (52:54:00:00:00:00) | |
.... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default) | |
.... ...0 .... .... .... .... = IG bit: Individual address (unicast) | |
Length: 153 | |
Logical-Link Control | |
DSAP: Spanning Tree BPDU (0x42) | |
0100 001. = SAP: Spanning Tree BPDU | |
.... ...0 = IG Bit: Individual | |
SSAP: Spanning Tree BPDU (0x42) | |
0100 001. = SAP: Spanning Tree BPDU | |
.... ...0 = CR Bit: Command | |
Control field: U, func=UI (0x03) | |
000. 00.. = Command: Unnumbered Information (0x00) | |
.... ..11 = Frame type: Unnumbered frame (0x3) | |
Spanning Tree Protocol | |
Protocol Identifier: Spanning Tree Protocol (0x0000) | |
Protocol Version Identifier: Multiple Spanning Tree (3) | |
BPDU Type: Rapid/Multiple Spanning Tree (0x02) | |
BPDU flags: 0x7c, Agreement, Forwarding, Learning, Port Role: Designated | |
0... .... = Topology Change Acknowledgment: No | |
.1.. .... = Agreement: Yes | |
..1. .... = Forwarding: Yes | |
...1 .... = Learning: Yes | |
.... 11.. = Port Role: Designated (3) | |
.... ..0. = Proposal: No | |
.... ...0 = Topology Change: No | |
Root Identifier: 32768 / 0 / 52:54:00:00:00:00 | |
Root Bridge Priority: 32768 | |
Root Bridge System ID Extension: 0 | |
Root Bridge System ID: RealtekU_00:00:00 (52:54:00:00:00:00) | |
Root Path Cost: 0 | |
Bridge Identifier: 32768 / 0 / 52:54:00:00:00:00 | |
Bridge Priority: 32768 | |
Bridge System ID Extension: 0 | |
Bridge System ID: RealtekU_00:00:00 (52:54:00:00:00:00) | |
Port identifier: 0x8001 | |
Message Age: 0 | |
Max Age: 20 | |
Hello Time: 2 | |
Forward Delay: 15 | |
Version 1 Length: 0 | |
Version 3 Length: 112 | |
MST Extension | |
MST Config ID format selector: 0 | |
MST Config name: | |
MST Config revision: 0 | |
MST Config digest: 4ead0c6e899e3db15ae9ec6c4c995efa | |
CIST Internal Root Path Cost: 0 | |
CIST Bridge Identifier: 32768 / 0 / 52:54:00:00:00:00 | |
CIST Bridge Priority: 32768 | |
CIST Bridge Identifier System ID Extension: 0 | |
CIST Bridge Identifier System ID: RealtekU_00:00:00 (52:54:00:00:00:00) | |
CIST Remaining hops: 20 | |
MSTID 2, Regional Root Identifier 32768 / 52:54:00:00:00:00 | |
MSTI flags: 0x7c, Agreement, Forwarding, Learning, Port Role: Designated | |
0... .... = Topology Change Acknowledgment: No | |
.1.. .... = Agreement: Yes | |
..1. .... = Forwarding: Yes | |
...1 .... = Learning: Yes | |
.... 11.. = Port Role: Designated (3) | |
.... ..0. = Proposal: No | |
.... ...0 = Topology Change: No | |
1000 .... = Priority: 0x8 | |
.... 0000 0000 0010 = MSTID: 2 | |
Regional Root: RealtekU_00:00:00 (52:54:00:00:00:00) | |
Internal root path cost: 0 | |
Bridge Identifier Priority: 8 | |
Port identifier priority: 8 | |
Remaining hops: 20 | |
MSTID 3, Regional Root Identifier 32768 / 52:54:00:00:00:00 | |
MSTI flags: 0x7c, Agreement, Forwarding, Learning, Port Role: Designated | |
0... .... = Topology Change Acknowledgment: No | |
.1.. .... = Agreement: Yes | |
..1. .... = Forwarding: Yes | |
...1 .... = Learning: Yes | |
.... 11.. = Port Role: Designated (3) | |
.... ..0. = Proposal: No | |
.... ...0 = Topology Change: No | |
1000 .... = Priority: 0x8 | |
.... 0000 0000 0011 = MSTID: 3 | |
Regional Root: RealtekU_00:00:00 (52:54:00:00:00:00) | |
Internal root path cost: 0 | |
Bridge Identifier Priority: 8 | |
Port identifier priority: 8 | |
Remaining hops: 20 | |
MSTID 4, Regional Root Identifier 32768 / 52:54:00:00:00:00 | |
MSTI flags: 0x7c, Agreement, Forwarding, Learning, Port Role: Designated | |
0... .... = Topology Change Acknowledgment: No | |
.1.. .... = Agreement: Yes | |
..1. .... = Forwarding: Yes | |
...1 .... = Learning: Yes | |
.... 11.. = Port Role: Designated (3) | |
.... ..0. = Proposal: No | |
.... ...0 = Topology Change: No | |
1000 .... = Priority: 0x8 | |
.... 0000 0000 0100 = MSTID: 4 | |
Regional Root: RealtekU_00:00:00 (52:54:00:00:00:00) | |
Internal root path cost: 0 | |
Bridge Identifier Priority: 8 | |
Port identifier priority: 8 | |
Remaining hops: 20 |
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