User manual

Configuring the ADTRAN Router ADTRAN Routers with CradlePoint CBA750B

Step 5: Disable the Reverse Path Forwarding Check

Disable the reverse path forwarding (RPF) check on the ACP associated with the primary WAN interface

to avoid the possibility that the return probe traffic is not dropped while the backup connection is active. To

disable the RPF check, use the no ip policy-class <ipv4 acp name> rpf-check from the Global

Configuration mode:

(config)#no ip policy-class Public rpf-check