Cisco Cisco Packet Data Gateway (PDG)
Reverse Route Injection
▀ Overview
▄ SecGW Administration Guide, StarOS Release 18
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Overview
RRI injects routes in the reverse direction onto the ASR 9000 VSM (IOS-XR blade) so that clear traffic can be routed to
the correct interface on the target VSM. The OneP (ConnectedApps [CA]) library provides the necessary API calls to
CA clients to communicate to the oneP server (running on IOS-XR).
the correct interface on the target VSM. The OneP (ConnectedApps [CA]) library provides the necessary API calls to
CA clients to communicate to the oneP server (running on IOS-XR).
The RRI feature is used in conjunction with the StarOS SecGW to deal with Site-to-Site (S2S) IPSec SAs. RRI route
transaction is initiated is when a tunnel SA is being created.
transaction is initiated is when a tunnel SA is being created.
Interchassis Session Recovery (ICSR) works with RRI to ensure that traffic is correctly routed following an HA
switchover.
switchover.
For additional information, see the sample configurations that appear at the end of this guide.