An administrator is managing a network comprised of AOS-CX switches deployed at the aggregation layer. The switches are paired in a VSX stack and run the OSPF routing protocol. The administrator is concerned about how long it takes for OSPF to converge when one of the VSX switches has to reboot.
What should the administrator to do speed up the OSPF convergence of the switch that is rebooting?

Question

An administrator is managing a network comprised of AOS-CX switches deployed at the aggregation layer. The switches are paired in a VSX stack and run the OSPF routing protocol. The administrator is concerned about how long it takes for OSPF to converge when one of the VSX switches has to reboot.

What should the administrator to do speed up the OSPF convergence of the switch that is rebooting?

Shoban Babu · Accepted Answer

Implement graceful restart on the VSX switches and their neighboring OSPF switches.

Shoban Babu · Answer

Change the VSXISL link from an OSPF broadcast link point-to-point.

Shoban Babu · Answer

Decrease the VSX initial synchronization timer on the two VSX switches.

Shoban Babu · Answer

Define non-backbone areas on the VSX switches as totally stubby areas.

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