Cisco Nonstop Forwarding with Stateful Switchover Deployment Guide

Stateful Switchover. Ch. 9 High Availability CIS 187 Multilayer Switched Networks CCNP Additionally, the periodic timer is restarted for interfaces that use keepalive messages to verify link integrity This is also handy when doing scheduled hitless upgrades within the ISSU execution path

Ch. 9 High Availability CIS 187 Multilayer Switched Networks CCNP
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Thus when the active RP fails, the standby RP can take over without spending excessive time relearning the dynamic state information, and forwarding devices can continue to forward packets with only a. A router in SSO redundancy mode checkpoints Layer 2 protocol states and line card operation

Ch. 9 High Availability CIS 187 Multilayer Switched Networks CCNP

With stateful switchover, High-Level Data Link Control (HDLC) synchronizes the line protocol state information Thus when the active RP fails, the standby RP can take over without spending excessive time relearning the dynamic state information, and forwarding devices can continue to forward packets with only a. SSO checkpointing is the process of mirroring information between RPs

Cisco Nonstop Forwarding with Stateful Switchover Deployment Guide. In other words, standby route processor takes control and maintain. SSO checkpointing is the process of mirroring information between RPs

Cisco 9500 StackWise Virtual Configuration. With stateful switchover, High-Level Data Link Control (HDLC) synchronizes the line protocol state information The main objective of NSF SSO is to continue forwarding IP packets following a Route Processor (RP) switchover.