Dell PowerConnect B-FCXs, Руководство по настройке

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440 PowerConnect B-Series FCX Configuration Guide
53-1002266-01
VLAN overview
13
FIGURE 92 VLAN with dynamic ports—all ports are active when you create the VLAN
SUBNET Ports in a new protocol VLAN that do not receive traffic for the VLAN protocol age out after
10 minutes and become candidate ports.
Figure 93 shows what happens if a candidate port
receives traffic for the VLAN protocol.
FIGURE 93 VLAN with dynamic ports—candidate ports become active again if they receive
protocol traffic
A = a ctive port
C = c a ndid a te port
When yo u a dd port s dyn a mic a lly,
a ll the port s a re a dded when yo u a dd
the VLAN.
A A A
A
A A
A
A
Port s th a t time o u t rem a in c a ndid a te s
for member s hip in the VLAN a nd become a ctive
a g a in if they receive tr a ffic for the VLAN’ s
protocol, IP su b-net, IPX network, or
AppleT a lk c a ble r a nge.
When a c a ndid a te port rejoin s a VLAN,
the timeo u t for th a t port become s 20 min u te s .
Th us , the port rem a in s a n a ctive member of
the VLAN even if it doe s not receive tr a ffic
for 20 min u te s . After th a t, the port become s
a c a ndid a te port a g a in.
C C
A A A A
A A