[Contents] [Prev] [Next] [Index] [Report an Error]

About Session RTOs

The data plane creates RTOs for UDP and TCP sessions and tracks state changes. It also synchronizes traffic for IPv4 passthrough protocols such as GRE and IPsec.

RTOs for synchronizing a session include:

Session creation RTOs on the first packet
Session deletion and ageout RTOs
Change-related RTOs, which include:
- TCP state changes
- Timeout synchronization request and response messages
- RTOs for creating and deleting temporary openings in the firewall (pinholes) and child session pinholes

[Contents] [Prev] [Next] [Index] [Report an Error]