Extreme Networks ExtremeWare Enterprise Manager Guía de usuario Pagina 181

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E
XTREME
W
ARE
S
OFTWARE
U
SER
G
UIDE
10-11
ESRP O
PTIONS
ESRP G
ROUPS
ExtremeWare supports running multiple instances of ESRP within the same VLAN or
broadcast domain. This functionality is called an ESRP group. Though other uses exist,
the most typical application for multiple ESRP groups is when two or more sets of
ESRP switches are providing fast-failover protection within a subnet.
For example, two ESRP switches provide L2/L3 connectivity and redundancy for the
subnet, while another two ESRP switches provide L2 connectivity and redundancy for a
portion of the same subnet. Figure 10-7 shows ESRP groups.
Figure 10-7: ESRP groups
A switch cannot perform both master and slave functions on the same VLAN for
separate instances of ESRP.
EW_056
ESRP
Group1
Master
ESRP
Group2
Master
(L2 only)
ESRP
Group2 Standby
(L2 only)
ESRP
Group1
Standby
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