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Protocol » Hot Standby Router Protocol (Info)
Viewing 1 - 3 of 3 captures
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HSRP_coup.cap (3.9 KB)

Packets: 51 Avg Size: 62 bytes Duration: 49.3 sec
Data Rate: 0.50 Kbps Added: 19 Jun 2008 Downloads: 250

Initially only routers 3 (active) and 2 (standby) are online. R1 comes online with a priority higher than R3's. R1 takes over as the active router (the coup occurs in packet #22) almost immediately. R2 is bumped down to passive and R3 becomes the standby router.

HSRP_failover.cap (3.0 KB)

Packets: 39 Avg Size: 62 bytes Duration: 47.3 sec
Data Rate: 0.40 Kbps Added: 19 Jun 2008 Downloads: 229

R1 is the active router, R3 is the standby, and R2 is passive. R1 goes offline and R3 takes over as active after ten seconds. R2 is then promoted to the standby state.

HSRP_election.cap (3.7 KB)

Packets: 49 Avg Size: 62 bytes Duration: 57.0 sec
Data Rate: 0.41 Kbps Added: 19 Jun 2008 Downloads: 239

The Ethernet link shared by routers 1, 2, and 3 comes online. R1 wins the HSRP election because it has a priority of 200 (versus the default of 100 held by the other two routers). R3 becomes the standby router.

Viewing 1 - 3 of 3 captures