Session State Changes; Important Points To Remember; Configure Bfd - Dell S4048–ON Configuration Manual

S-series 10gbe switches

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Session State Changes

The following illustration shows how the session state on a system changes based on the status notification it receives from the

remote system. For example, if a session on a system is down and it receives a Down status notification from the remote system, the

session state on the local system changes to Init.

Figure 15. Session State Changes

Dell Networking OS supports 128 sessions per stack unit at 200 minimum transmit and receive intervals with a multiplier of 3, and

64 sessions at 100 minimum transmit and receive intervals with a multiplier of 4.

Enable BFD on both ends of a link.

Demand mode, authentication, and the Echo function are not supported.

BFD is not supported on multi-hop and virtual links.

Protocol Liveness is supported for routing protocols only.

Dell Networking OS supports only OSPF, OSPFv3, IS-IS, and BGP protocols as BFD clients.

This section contains the following procedures.

Configuring BFD for Physical Ports

Configure BFD for Static Routes

Configure BFD for OSPF

Configure BFD for OSPFv3

Bidirectional Forwarding Detection (BFD)