L3 redundancy.pdf - the Netgroup at Politecnico di Torino
L3 redundancy.pdf - the Netgroup at Politecnico di Torino
L3 redundancy.pdf - the Netgroup at Politecnico di Torino
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HSRP and Filtering d<strong>at</strong>abase• Only <strong>the</strong> active router can use <strong>the</strong> Virtual MAC as sourceaddress in Hello Messages• When <strong>the</strong> Active router changes, <strong>the</strong> new Active router willstart sen<strong>di</strong>ng messages with th<strong>at</strong> MAC address• All <strong>the</strong> switches will upd<strong>at</strong>e <strong>the</strong>ir filtering d<strong>at</strong>abaseaccor<strong>di</strong>nglyFiltering D<strong>at</strong>abaseMAC Port07:AC:01 Fe0 Fe1Fe0Fe1R2 (active)IP: 2.2.2.2MAC: 00:00:00:22:22:22HSRP Group: 1Virtual IP: 2.2.2.3Virtual MAC: 00:00:0C:07:AC:0127InternetR1 (standby)IP: 2.2.2.1MAC: 00:00:00:11:11:11HSRP Group: 1Virtual IP: 2.2.2.3Virtual MAC: 00:00:0C:07:AC:01
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