CCNA Notes
CompTIA LX103
Cisco ICND1
Cisco ICND2
- Topics
- To
- Be
Cisco CCNP Route
Various
Labs
CompTIA LX103
Cisco ICND1
Cisco ICND2
Cisco CCNP Route
Various
Labs
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Frame Loop Prevention Mechanism. Achieved by blocking all but one ROOT port to a ROOT switch. Redundant links are then blocked to create a loop-free environment.
SW1(config)#spanning-tree vlan 1 root primary SW1(config)#spanning-tree vlan 1 root secondary
SW2(config)#spanning-tree vlan 1 priority ? <0-61440> bridge priority in increments of 4096 SW2(config)#spanning-tree vlan 1 priority 4096 Hello Max Fwd Vlan Bridge ID Time Age Dly Protocol ---------------- --------------------------------- ----- --- --- -------- VLAN0001 4097(4096, 1) 0019.e86a.2280 2 20 15 ieee VLAN0002 32770(32768, 2) 0019.e86a.2280 2 20 15 ieee