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    Example Step: Configuring Bridge Domains

    There are two supported ways to configure an IRB with bridge domains. One way is to use the interface-mode trunk statement. The other way is shown here and is known as the encapsulation method. The encapsulation method is the preferred way to configure an IRB with bridge domains.

    To configure the bridge domains on all three routers:

    1. Configure a bridge domain on Router 1:

      [edit]
      bridge-domains {
      vlan100 {
      domain-type bridge;
      vlan-id 100;
      interface ge-2/2/1.100;
      interface ae1.100;
      }
      vlan200 {
      domain-type bridge;
      vlan-id 200;
      interface ge-2/2/1.200;
      interface ge-2/2/6.200;
      interface ae1.200;
      }
      vlan201 {
      domain-type bridge;
      vlan-id 201;
      }
      vlan202 {
      domain-type bridge;
      vlan-id 202;
      }
      vlan203 {
      domain-type bridge;
      vlan-id 203;
      }
      vlan204 {
      domain-type bridge;
      vlan-id 204;
      }
      vlan205 {
      domain-type bridge;
      vlan-id 205;
      }
      }
    2. Configure a bridge domain on Router 2:

      [edit]
      bridge-domains {
      vlan100 {
      domain-type bridge;
      vlan-id 100;
      interface ge-2/2/2.100;
      interface ae1.100;
      interface ae3.100;
      }
      vlan200 {
      domain-type bridge;
      vlan-id 200;
      interface ge-3/3/3.200;
      interface ae1.200;
      interface ae3.200;
      }
      }
    3. Configure a bridge domain on Router 3:

      [edit]
      bridge-domains {
      vlan100 {
      domain-type bridge;
      vlan-id 100;
      interface ge-2/2/2.100;
      interface ae3.100;
      }
      vlan200 {
      domain-type bridge;
      vlan-id 200;
      interface ge-3/3/3.200;
      interface ae3.200;
      }
      vlan201 {
      domain-type bridge;
      vlan-id 201;
      }
      vlan202 {
      domain-type bridge;
      vlan-id 202;
      }
      vlan203 {
      domain-type bridge;
      vlan-id 203;
      }
      vlan204 {
      domain-type bridge;
      vlan-id 204;
      }
      vlan205 {
      domain-type bridge;
      vlan-id 205;
      }
      }

    Modified: 2017-08-31