Product Documentation

Configuring Bridge Groups

Sep 01, 2016

Typically, when you want to merge two or more VLANs into a single domain, you change the VLAN configuration on all the devices in the separate domains. This can be a tedious task. To more easily merge multiple VLANs into a single broadcast domain, you can use bridge groups.

The bridge groups feature works the same way as a VLAN. Multiple VLANS can be bound to a single bridge group, and all VLANs bound to same bridge group form a single broadcast domain. You can bind only Layer 2 VLANs to a bridge group. For Layer 3 functionality, you must assign an IP address to a bridge group.

In Layer 2 mode, a broadcast packet received on an interface belonging to a particular VLAN is bridged to other VLANs that belong to the same bridge group. In the case of a unicast packet, the NetScaler appliance searches its bridge table for the learned MAC addresses of all the VLANs belonging to same bridge group.

In Layer 3 forwarding mode, an IP subnet is bound to a bridge group. The NetScaler accepts incoming packets belonging to the bound subnet and forwards the packets only on VLANs that are bound to the bridge group.

IPv6 routing can be enabled on a configured bridge group.

To add a bridge group and bind VLANs by using the command line interface

To add a bridge group and bind VLANs and verify the configuration, type the following commands:

  • add bridgegroup <id> [-ipv6DynamicRouting ( ENABLED | DISABLED )]
  • show bridgegroup <id>
  • bind bridgegroup <id> -vlan <positive_integer>
  • show bridgegroup <id>

Example

 
> add bridgegroup 12 
 Done 

To remove a bridge group by using the command line interface

At the command prompt, type:

rm bridgegroup <id>

Example

 
 rm bridgegroup 12 

To configure a bridge group by using the configuration utility

Navigate to System > Network > Bridge Groups, add a new bridge group, or edit an existing bridge group.