3Com 10014298 manual Prerequisites, Configure digest snooping

206CHAPTER 8: STP OPERATION

Prerequisites

Switches of different manufacturers are interconnected in a network and have

MSTP properly employed. The network operates properly.

Configuration Procedure

Table 217 Configure digest snooping

Operation	Command	Remark
Enter system view	system-view	-
Enter Ethernet	interface	interface_type: Interface type
interface view	interface_type	interface_num: Interface number
	interface_num
Enable digest	stp	Required. Digest snooping is disabled
snooping on the	config-digest-snoopin	by default
interface	g
Quit Ethernet	quit	-
interface view
Enable digest	stp	Required. Digest snooping is disabled
snooping globally	config-digest-snoopin	by default
	g
Display current	display	This command can be executed in any
configuration	current-configuration	view
information

Note the following:

■You must enable digest snooping on an interface first before enabling it globally.

■Digest snooping is unnecessay if the interconnected switches are from the same vendor.

■To enable digest snooping, the interconneted switches must be configured with the same settings.

■To enable digest snooping, all interfaces in a MSTP domain used to connect other switches must have digest snooping enabled.

■Do not enable digest snooping on border interfaces of an MSTP domain.

■To change domain configuration, be sure to disable digest snooping first to prevent broadcast storm.