4000 Router Series Layer 2 - LAN Switching Configuration Guide

Ste

Command

Remarks

2. Enter Layer 2 Ethernet

interface view.

interface interface-type

interface-number

N/A

3. Enable Digest Snooping on

the interface.

stp config-digest-snooping

By default, Digest Snooping is

disabled on ports.

4. Return to system view.

quit N/A

5. Enable Digest Snooping

globally.

stp global config-digest-snooping

By default, Digest Snooping is

disabled globally.

Digest Snooping configuration example

Network requirements

As shown in Figure 8, Router A and Router B connect to Device C, which is a third-party device. All these

devices are in the same region.

Enable Digest Snooping on the ports of Router A and Router B that connect to Device, so that the three

devices can communicate with one another.

Figure 8 Network diagram

Configuration procedure

# Enable Digest Snooping on Ethernet 2/1 of Router A and enable global Digest Snooping on Router A.

<RouterA> system-view

[RouterA] interface ethernet 2/1

[RouterA-Ethernet2/1] stp config-digest-snooping

[RouterA-Ethernet2/1] quit

[RouterA] stp global config-digest-snooping

# Enable Digest Snooping on Ethernet 2/1 of Router B and enable global Digest Snooping on Router B.

<RouterB> system-view

[RouterB] interface ethernet 2/1

[RouterB-Ethernet2/1] stp config-digest-snooping