Link aggregation groups
The Link Aggregation Groups (LAG) functionality allows you to group two or more ports on your SD-WAN appliance to work together as a single port. This ensures increased availability, link redundancy, and enhanced performance.
Citrix SD-WAN Orchestrator supports simple Link Aggregation Group (ACTIVE-BACKUP). The 802.3ad LACP protocol based negotiations are not supported in the current release. At any time only one port is active and the other ports are in backup mode. The active and backup supports rely on the Data Plane Development Kit (DPDK) package for LAG functionality. The LAG functionality is available only on the following DPDK supported platforms:
- Citrix SD-WAN 110 SE
- Citrix SD-WAN 210 SE
- Citrix SD-WAN 410 SE
- Citrix SD-WAN 1100 SE/PE
- Citrix SD-WAN 4000, 4100, and 5100 SE
- Citrix SD-WAN 6100 SE
The LAG functionality is not supported on VPX/VPXL platforms.
To configure link aggregation groups, at the site level, navigate to Configuration > Advanced Settings > LAG and select the member Ethernet interfaces to form a link aggregation group.
You can create a maximum of 4 LAGs with a maximum of 4 ports grouped in each LAG on the Citrix SD-WAN appliances. For Citrix SD-WAN 210 and 410 appliances, you can create a maximum of 3 LAGs and for Citrix SD-WAN 110 appliance you can create a maximum of 2 LAGs.
Once the ports are added to the LAG, you can select the LAGs to configure interfaces under Basic Settings. These interfaces are further used to configure LAN/WAN links and HA. You cannot change settings for individual member ports, any configuration changes made to the LAG, is automatically pushed to the member ports.
In the Interfaces section, click Link Aggregation Group to quickly change the LAG configuration if necessary.