| STP | IEEE 802.1d-1998 |
|---|---|
| Convergence time | 30-50 sec |
| BPDU Age out= 20sec | |
Fwd Delay Timer= 15sec Listening >>> Learning | |
Fwd Delay Timer= 15sec Learning >>> Forwarding | |
| RSTP | IEEE 802.1d-2004 |
| ptp link | |
| + Edge port | to host |
| + shared/non-edge | to switch/hub |
| Rapid recovery | |
| Direct failure detection | Send Hello every 2sec ( 3x 2sec = lost neighbor start reconverge ) |
| Indirect failuredetection | |
| + Port Roles | |
- Port State |
