R3303-HP 6600/HSR6600 Routers Layer 2 - LAN Switching Configuration Guide

To configure No Agreement Check:

Ste

Command

Remarks

1. Enter system view.

system-view N/A

2. Enter interface or port

group view.

• Enter Ethernet interface view or Layer 2

aggregate interface view:

interface interface-type interface-number

• Enter port group view:

port-group manual port-group-name

Use one of the commands.

3. Enable No Agreement

Check.

stp no-agreement-check

By default, No Agreement

Check is disabled.

No Agreement Check configuration example

Network requirements

As shown in Figure 22:

• Router A connects to a third-party device Router B that has a different spanning tree implementation.

Both routers are in the same region.

• The third-party device (Router B) is the regional root bridge, and Router A is the downstream device.

Figure 22 Network diagram

Configuration procedure

# Enable No Agreement Check on GigabitEthernet 4/0/1 of Router A.

<RouterA> system-view

[RouterA] interface GigabitEthernet 4/0/1

[RouterA-GigabitEthernet4/0/1] stp no-agreement-check

Configuring protection functions

A spanning tree device supports the following protection functions:

• BPDU guard

• Root guard

• Loop guard

• TC-BPDU guard