Cisco WS-X6708-10G-3CXL= - 10 Gigabit Ethernet Module Manual de usuario descargar pdf (Pagina 38)

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A sample configuration follows:

vss#conf t

Enter configuration commands, one per line. End with CNTL/Z.

vss(config)#switch virtual domain 10

vss(config-vs-domain)#switch 1 priority 110

*Jul 7 08:59:11.913: %VSLP-SW1_SPSTBY-5-RRP_RT_CFG_CHANGE: Configured priority value

is different from operational value.

Change will take effect after config is saved and switch is reloaded.

vss(config-vs-domain)#switch 2 priority 100

vss(config-vs-domain)#^Z

vss#

Notice from this configuration that the higher-priority value (110) assumes the active virtual switch role and the default

priority is set to 100 (Figure 23).

Figure 23. Virtual Switch Priorities

After you save the configuration, you can verify the roles of each virtual switch member with the following command:

vss#sh switch virtual role

Switch Switch Status Preempt Priority Role Session ID

Number Oper(Conf) Oper(Conf) Local Remote

------------------------------------------------------------------

LOCAL 1 UP FALSE(N) 110(110) ACTIVE 0 0

REMOTE 2 UP FALSE(N) 100(100) STANDBY 6179 1085

In dual-active recovery mode: No

Note that the switch priorities affect role determination if both virtual switches are initiated simultaneously. If either

switch (regardless of priority) is initiated prior to the subsequent switch, it always assumes the role of the active virtual

switch. This behavior changes only if the Switch Preemption feature is configured.

Switch Preemption

As mentioned previously, you can determine virtual switch roles by boot order, switch ID, and switch priorities.

However, after you determine the roles, you cannot change them without manual intervention. It may be desirable,

however, to always configure a particular physical switch to assume the active virtual switch role. You can achieve

this configuration with the Switch Preemption feature.

Switch Preemption works by comparing the Virtual Switch Priorities of the two individual switches after they are both

brought online. If the virtual switch with the higher priority has the Switch Preemption feature configured and the

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Cisco WS-X6708-10G-3CXL= - 10 Gigabit Ethernet Module Manual de usuario Pagina 38