Dell PowerConnect B-FCXs, Руководство по настройке

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182 PowerConnect B-Series FCX Configuration Guide
53-1002266-01
PowerConnect B-Series FCX hitless stacking
5
Figure 23 illustrates a hitless stacking switchover after the network administrator increases the
priority value for two of the stack members.
FIGURE 23 Scenario 3 – Hitless stacking switchover after a priority change
Not a llowed bec aus e prioritie s do not m a tch Switchover
F
a
ilover
Standby 2 become s the Active controller
witho u t a relo a d
Not a llowed bec aus e prioritie s do not m a tch Switchover
F
a
ilover
Standby 2 become s the Active controller
witho u t a relo a d
Not a llowed bec aus e prioritie s do not m a tch Switchover
F
a
ilover
Standby 4 become s the Active controller
witho u t a relo a d
Not a llowed bec aus e prioritie s do not m a tch Switchover
F
a
ilover
Standby 1 become s the Active controller
witho u t a relo a d
Not a llowed bec aus e prioritie s do not m a tch Switchover
F
a
ilover
Standby 3 become s the Active controller
witho u t a relo a d
Priority 150 ass igned to Unit 3 (Member 3)
Priority 200 ass igned to Unit 4 (Member 4)
1
Active 1 (pri=100)
Standby 2 (pri=0)
Member 3 (pri=0)
Member 4 (pri=0)
1
Active 1 (pri=100)
Standby 2 (pri=0)
Member 3 (pri=150)
Member 4 (pri=200)
1
Active 1 (pri=100)
Standby 2 (pri=0)
Member 3 (pri=150)
Member 4 (pri=200)
1
Active 1 (pri=100)
Member 2 (pri=0)
Member 3 (pri=150)
Standby 4 (pri=200)
1
Standby 1 (pri=100)
Member 2 (pri=0)
Member 3 (pri=150)
Active 4 (pri=200)
1
Member 1 (pri=100)
Member 2 (pri=0)
Standby 3 (pri=150)
Active 4 (pri=200)
The priority ch a nge trigger s re-election
of the Active controller
St a ndby re- ass igned
Switchover occ u r s
St a ndby re- ass igned
120 s ec.
30 s ec.
30 s ec.
St a ge 1&2. Switchover
FCX s t a ck form a tion
Device s t a ck priority ch a nge - Scen a rio 3
60 s ec.