Figure 40: Network Topology For Root Protection - Juniper JUNOS OS 10.3 - SOFTWARE Manual

Table 220: Components of the Topology for Configuring Root Protection on EX Series Switches
Property
Switch 1
Switch 2
Switch 3
Switch 4
Copyright © 2010, Juniper Networks, Inc.
This example shows how to configure root protection on interface
it from transitioning to become the root port.

Figure 40: Network Topology for Root Protection

Table 220 on page 1575 shows the components that will be configured for root protection.
Settings
Switch 1 is connected to Switch 4 through interface
Switch 2 is connected to Switch 1 and Switch 3. Interface
RSTP topology.
Switch 3 is the root bridge and is connected to Switch 1 and Switch 2.
Switch 4 is connected to Switch 1. After loop protection is configured on interface
Switch 4 will send superior BPDUs that will trigger loop protection on interface
Chapter 65: Examples of Spanning-Tree Protocols Configuration
ge-0/0/7 .
ge-0/0/4
to prevent
ge-0/0/7
is the alternate port in the
,
ge-0/0/7
.
ge-0/0/7
1575