Cisco Nexus 7000 Installation page 8

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VLAN0009 is executing the rstp compatible Spanning Tree protocol
Bridge Identifier has priority 32768, sysid 9, address 0024.986f.3b44
Configured hello time 2, max age 20, forward delay 15
Current root has priority 4105, address 0023.04ee.be01
Root port is 295 (Ethernet2/39), cost of root path is 4
Topology change flag not set, detected flag not set
Number of topology changes 16 last change occurred 0:06:56 ago
from Ethernet2/39
Times:
hold 1, topology change 35, notification 2
hello 2, max age 20, forward delay 15
Timers: hello 0, topology change 0, notification 0
Port 295 (Ethernet2/39) of VLAN0009 is root forwarding
Port path cost 4, Port priority 128, Port Identifier 128.295
Designated root has priority 4105, address 0023.04ee.be01
Designated bridge has priority 8201, address 0024.986f.3b41
Designated port id is 128.260, designated path cost 0
Timers: message age 15, forward delay 0, hold 0
Number of transitions to forwarding state: 3
Link type is point-to-point by default
BPDU: sent 31, received 3486
Port 296 (Ethernet2/40) of VLAN0009 is alternate blocking
Port path cost 4, Port priority 128, Port Identifier 128.296
Designated root has priority 4105, address 0023.04ee.be01
Designated bridge has priority 12297, address 0024.986f.3b42 <--- Designated is N7K-2, 12297
Designated port id is 128.272, designated path cost 0
Timers: message age 15, forward delay 0, hold 0
Number of transitions to forwarding state: 4
Link type is point-to-point by default
BPDU: sent 31, received 3496
De même pour le VLAN 10, SW-1 voit la pseudo priorité de passerelle de racine et ID de
passerelle comme même valeur de N7K-1 et de N7K-2.  De nouveau, N7K-1 et N7K-2 envoient
leurs pseudo priorités indiquées configurées.  Pour le VLAN 10, SW-1 voit la priorité de pont
désigné de 12298 (12288 + 10) de N7K-1 et la priorité de pont désigné de 8202 (8192 + 10) de
N7K-2 ; SW-1 choisit le lien vers N7K-2 comme lien d'expédition pour VLAN 10. de cette façon,
les commutateurs connectés de non-vpc peuvent équilibrer la charge l'état STP VLAN entre N7K-
1 et N7K-2.
SW-1# show span vlan 10 detail
VLAN0010 is executing the rstp compatible Spanning Tree protocol
Bridge Identifier has priority 32768, sysid 10, address 0024.986f.3b44
Configured hello time 2, max age 20, forward delay 15
Current root has priority 4106, address 0023.04ee.be01
Root port is 296 (Ethernet2/40), cost of root path is 4
Topology change flag not set, detected flag not set
Number of topology changes 7 last change occurred 0:07:13 ago
from Ethernet2/40
Times:
hold 1, topology change 35, notification 2
hello 2, max age 20, forward delay 15
Timers: hello 0, topology change 0, notification 0
Port 295 (Ethernet2/39) of VLAN0010 is alternate blocking
Port path cost 4, Port priority 128, Port Identifier 128.295
Designated root has priority 4106, address 0023.04ee.be01
Designated bridge has priority 12298, address 0024.986f.3b41
Designated port id is 128.260, designated path cost 0, Topology change is set
Timers: message age 16, forward delay 0, hold 0
Number of transitions to forwarding state: 1
<--- Root Virtual Bridge ID
<--- Designated N7K-1, 8201
<--- Root Virtual Bridge ID
<--- Root Virtual Bridge ID
<--- Designated N7K-1, 12298

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