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Junos Security by James Quinn, Timothy Eberhard, Patricio Giecco, Brad Woodberg, Rob Cameron

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Configuring Transparent Mode

Now that you have learned the various components of transparent mode, you can evaluate the configuration of the SRX in transparent mode. This section covers examples of the different concepts of transparent mode in the same order in which they were introduced in the preceding section. Additionally, a transparent mode HA example is provided in the chapter’s case study.

Configuring Transparent Mode Basics

This example creates four interfaces. Two of the interfaces are going to be in access mode and two are going to be in trunk mode. Additionally, there are six different VLANs and six different bridge domains.

The interfaces and VLANS are as follows:

  • ge-0/0/1 will be in access mode, with VLAN 10 as its VLAN for unit 0.

  • ge-0/0/2 will be in access mode, with VLAN 20 as its VLAN for unit 0.

  • ge-0/0/3 will be in trunk mode, with VLAN 10 on unit 10, VLAN 30 on unit 30, and VLAN 40 on unit 40.

  • ge-0/0/4 will be in trunk mode, with VLAN 20 on unit 10, VLAN 50 on unit 50, and VLAN 60 on unit 60.

The six bridge domains are each called L2-VLAN-XX where XX is the VLAN number. The bridge domains logically separate the traffic for the different VLANs.

Let’s go:

{secondary:node0}[edit]
root@SRX3400-1# edit interfaces ge-0/0/1 unit 0 family bridge

{secondary:node0}[edit interfaces ge-0/0/1 unit 0 family bridge]
root@SRX3400-1# set interface-mode access vlan-id 10

{secondary:node0}[edit interfaces ge-0/0/1 unit 0 family bridge]
root@SRX3400-1# up 3 {secondary:node0}[edit interfaces] ...

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