Tag: spanning-tree

Feb 05 2014

PVST+ Spanning-tree Summary

  • Filed under Cisco

  • February 5, 2014

Roles Bridges: root non-root Ports: Root Port (RP) Designated Port (DP) Non-designated Port (NDP)   Overview For each VLAN choose one root bridge The switch with the lowest Bridge ID (BID) BID consists of 4-bit priority value (multiple of 4096) + 12-bit VLAN ID + MAC address Priority defaults to 8 (8 * 4096 = …

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