Juniper JUNOS OS 10.4 - FOR EX REV 1 Manual page 1672

Complete Software Guide for Junos
Verification
Purpose
Action
Meaning
Related
Documentation
Example: Setting Up Q-in-Q Tunneling on EX Series Switches
1568
®
OS for EX Series Ethernet Switches, Release 10.4
protocols
rstp {
disable;
}
To confirm that the configuration is working properly, perform this task:
Verifying That a Redundant Trunk Group Was Created on page 1568
Verifying That a Redundant Trunk Group Was Created
Verify that the redundant trunk group
trunk interfaces are members of the redundant trunk group.
List all redundant trunk groups configured on the switch:
user@switch> show redundant-trunk-group
Group Interface State
name
example1 ge-0/0/9.0 Up/Pri
ge-0/0/10.0 Up
The
show redundant-trunk-group
on the switch, both links' interface addresses, and the links' current states (up or down
for an unspecified link, and up or down and primary for a primary link). For this
configuration example, the output shows that the redundant trunk group
configured on the switch. The
are physically connected. The
configured as the primary link.
Configuring Redundant Trunk Links for Faster Recovery (CLI Procedure)
Understanding Redundant Trunk Links on EX Series Switches on page 1512
preempt-cutover-timer on page 1688
Service providers can use Q-in-Q tunneling to transparently pass Layer 2 VLAN traffic
from a customer site, through the service provider network, to another customer site
without removing or changing the customer VLAN tags or class-of-service (CoS) settings.
You can configure Q-in-Q tunneling on EX Series switches.
This example describes how to set up Q-in-Q:
Requirements on page 1569
Overview and Topology on page 1569
has been created on Switch 1 and that
example1
Time of last flap
Never
Never
command lists all redundant trunk groups configured
beside the interfaces indicates that both link cables
(Up)
beside trunk interface
(Pri)
Copyright © 2010, Juniper Networks, Inc.
Flap
count
0
0
example1 is
indicates that it is
ge-0/0/9.0