Netgear XCM8810 - 8800 SERIES 10-SLOT CHASSIS SWITCH ユーザーズマニュアル

If the primary and backup nodes are not synchronized and both nodes are running a 

version of XCM8800 that supports synchronization, proceed to 

If the primary and backup nodes are synchronized, proceed to 

If the primary and backup nodes are not synchronized, use the 

synchronize

 command to 

replicate all saved images and configurations from the primary to the backup.

After you confirm the nodes are synchronized, proceed to 

.

If the nodes are synchronized, use the run failover (formerly 

run msm-failover) 

command 

to initiate failover. 

For more detailed information about verifying the status of the primary and backup nodes, 
and system redundancy, see 

on page 64. For more 

information about hitless failover, see 

STP Configurations

When you assign VLANs to an STPD, pay careful attention to the STP configuration and its 
effect on the forwarding of VLAN traffic. 

This section describes three types of STP configurations:

Basic STP

Multiple STPDs on a single port (which uses EMISTP)

A VLAN that spans multiple STPDs

Basic STP Configuration

This section describes a basic, 802.1D STP configuration. 

 illustrates a network 

that uses VLAN tagging for trunk connections. The following four VLANs have been defined:

Sales is defined on switch A, switch B, and switch M.

Personnel is defined on switch A, switch B, and switch M.

Manufacturing is defined on switch Y, switch Z, and switch M.

Engineering is defined on switch Y, switch Z, and switch M.

Marketing is defined on all switches (switch A, switch B, switch Y, switch Z, and switch M).

Two STPDs are defined:

STPD1 contains VLANs Sales and Personnel.

STPD2 contains VLANs Manufacturing and Engineering.

The carrier and protected VLANs are also defined:

Sales is the carrier VLAN on STPD1.

Personnel is a protected VLAN on STPD1.

Manufacturing is a protected VLAN on STPD2.