| Header/field |
Standard IEEE STP/RSTP BPDU (64B padded) |
R-PVST+ untagged BPDU (64B padded) |
R-PVST+ tagged BPDU (72B padded) |
|---|---|---|---|
| Source Address (MAC SA) | 6B | 6B | 6B |
| Destination Address (MAC DA) | 0180C2.000000 (6B) | 030408.000700 (6B) | 030408.000700 (6B) |
| Length | 2B | 2B | - |
| Type | - | - | 81 00 (2B) |
| 802.1q tag | - | - | 4B |
| Source Service Access Point (SSAP) | 42 | AA 03 | AA 03 |
| Destination Service Access Point (DSAP) | 42 | AA | AA |
| Extreme Organizationally Unique Identifier (OUI) | - | 02 04 08 | 02 04 08 |
| PVST PID | - | 01 0B | 01 0B |
| Logical Link Control (LLC) | 3B | + | + |
| SubNetwork Access Protocol (SNAP) | - | Yes (2B) | Yes (2B) |
| IEEE BPDU INFO | 35B | 35B | 35B |
| Type, Length, Value (TLV)
Pad Type Length VLAN ID |
- | 6B
00 (1B) 00 00 00 02 2B |
6B
00 (1B) 00 00 00 02 2B |
| Header/field |
Standard IEEE STP/RSTP BPDU (64B padded) |
R-PVST+ untagged BPDU (64B padded) |
R-PVST+ tagged BPDU (72B padded) |
|---|---|---|---|
| MAC SA | 6B | 6B | 6B |
| MAC DA | 0180C2.000000 (6B) | 01000C.CCCCCD (6B) | 010002.CCCCCD (6B) |
| Length | 2B | 2B | - |
| Type | - | - | 81 00 (2B) |
| 802.1q tag | - | - | 4B |
| SSAP | 42 03 | AA 03 | AA 03 |
| DSAP | 42 | AA | AA |
| Cisco OUI | - | 00 00 0C | 00 00 0C |
| PVST PID | - | 01 0B | 01 0B |
| LLC | 3B | + | + |
| SNAP | - | Yes | Yes |
| IEEE BPDU INFO | 35B | 35B | 35B |
| TLV
Pad Type Length VLAN ID |
- | 6B
00 (1B) 00 00 00 02 2B |
6B
00 (1B) 00 00 00 02 2B |