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Extreme Networks ExtremeWare XOS Guide User Manual

Extreme Networks ExtremeWare XOS Guide
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Extreme Standby Router Protocol
ExtremeWare XOS 11.3 Concepts Guide
474
changes due to frequent client activities like rebooting and unplugging laptops. This port is known as a
don’t-count port.
To configure the port weight on either a host attach port or a normal port, use the following command:
configure esrp ports <ports> weight [auto | <port-weight>]
ESRP Groups
ExtremeWare XOS supports running multiple instances of ESRP within the same VLAN or broadcast
domain. This functionality is called an ESRP group. Although 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. A maximum of seven distinct ESRP groups can be supported on a
single ESRP switch, and a maximum of seven ESRP groups can be defined within the same network
broadcast domain. You can configure a maximum of 32 ESRP groups in a network.
For example, two ESRP switches provide Layer 2/Layer 3 connectivity and redundancy for the subnet,
while another two ESRP switches provide Layer 2 connectivity and redundancy for a portion of the
same subnet. Figure 52 shows ESRP groups.
Figure 52: ESRP groups
An additional use for ESRP groups is ESRP HA, described on page 473.
EX_096
ESRP
Group1
Master
ESRP
Group1
Standby
ESRP
Group2
Master
(L2 only)
ESRP Group2 Standby
(L2 only)

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Extreme Networks ExtremeWare XOS Guide Specifications

General IconGeneral
BrandExtreme Networks
ModelExtremeWare XOS Guide
CategorySoftware
LanguageEnglish

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