BISDN Linux has a default configuration file under
/etc/ofdpa/rc.soc controlling both the Broadcom SDK and OF-DPA.
To enable routing packets with TTL=1 to CPU by default, the file contains the following setting:
The following command will activate the same behaviour on the switch in a non-persistent way:
client_drivshell SwitchControl L3UcastTtl1ToCpu=1
To print the currently set value, you can run:
client_drivshell SwitchControl L3UcastTtl1ToCpu