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 for On-premises 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 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 2100 SE/PE
- Citrix SD-WAN 4100 SE
- Citrix SD-WAN 5100 SE/PE
- Citrix SD-WAN 6100 SE/PE
Note
- The LAG functionality is not supported on VPX/VPXL platforms.
- A minimum of two ports and a maximum of four ports are supported per LAG.
- All members of LAG must be of the same type, for example 1/1 or 1/2. 1/1 and 10/1 are not supported LAG configuration.
- The Link State Propagation (LSP) feature is not supported, if LAGs are used as Ethernet interfaces in Interface Groups.
| Platform |
Maximum number of LAGs supported |
LACP supported ports |
| 110 |
1 |
1/1 |
|
|
|
|
| 210 |
2 |
1/1 or 1/2 |
|
|
|
|
|
|
| 410 |
1 |
1/1 or 1/2 |
|
|
|
|
| 1100 |
3 |
1/1 or 1/2 |
|
|
|
|
|
|
|
|
|
|
| 2100 |
3 |
1/1 or 1/2 |
|
|
|
|
|
|
|
|
|
|
| 4100 |
4 |
1/1 or 1/2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 5100 |
3 |
10/1 or 10/2 |
|
|
|
|
|
|
|
|
|
|
| 6100 |
4 |
1/1 or 1/2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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.
Once the ports are added to the LAG, you can select the LAGs to configure interfaces under Site Configuration. 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.
You can view the details of the interfaces that are configured with LAG and LACP under Reports > Appliance Reports > LACP LAG Group. For more information, see Appliance reports.
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