Juniper JUNOS OS 10.3 - SOFTWARE, Manual

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user@switch> show configuration vlans qinqvlan
vlan-id 4001;
dot1q-tunneling {
customer-vlans [ 1-100 201-300 ];
}
Verification
To confirm that the configuration is working properly, perform these tasks:
• Verifying That Q-in-Q Tunneling Was Enabled on page 1349
Verifying That Q-in-Q Tunneling Was Enabled
Purpose Verify that Q-in-Q tunneling was properly enabled on the switch.
Action Use the
show vlans
command:
user@switch> show vlans qinqvlan extensive
VLAN: qinqvlan, Created at: Thu Sep 18 07:17:53 2008
802.1Q Tag: 4001, Internal index: 18, Admin State: Enabled, Origin: Static
Dot1q Tunneling Status: Enabled
Customer VLAN ranges:
1-100
201-300
Protocol: Port Mode
Number of interfaces: Tagged 2 (Active = 0), Untagged 4 (Active = 0)
ge-0/0/11.0, tagged, trunk
ge-0/0/14.0, tagged, trunk
ge-0/0/12.0, untagged, access
ge-0/0/13.0, untagged, access
Meaning The output indicates that Q-in-Q tunneling is enabled and that the VLAN is tagged and
shows the associated customer VLANs.
Related
Documentation
Configuring Q-in-Q Tunneling (CLI Procedure) on page 1386
•
Example: Configuring a Private VLAN on an EX Series Switch
For security reasons, it is often useful to restrict the flow of broadcast and unknown
unicast traffic and to even limit the communication between known hosts. The private
VLAN (PVLAN) feature on EX Series switches allow an administrator to split a broadcast
domain into multiple isolated broadcast subdomains, essentially putting a VLAN inside
a VLAN.
This example describes how to create a private VLAN primary VLAN and secondary
VLANs:
1349 Copyright © 2010, Juniper Networks, Inc.
Chapter 58: Examples: Bridging and VLAN Configuration