Recommended network configuration for keepalive

Directly connect the keepalive link, as shown in the following figure. Avoid keepalive communication over the ISL circuits.

Recommended configuration for keepaliveRecommended to have keepalive directly connected.
Do not configure keepalive to go through the VSX LAG uplinks, as shown in the following image. This scenario is not supported because:

  • VSX LAG on the secondary will clear because split detection.

  • Keepalive communication will stop between the VSX switches.

Not supported configuration for keepaliveAvoid connecting keepalive through uplinks