In BCAM, a default router is a router system that can forward any IP datagram whose destination IP address cannot be assigned to the local subnetwork, or to another subnetwork that is accessed via a (different) router.
Note
AEC options must be set separately with the BCOPTION option after start-up with an RDF.
Setting options
/BCOPTION A-E-C=ON
Dynamic generation using BCIN commands
/BCIN LAN,GEN=LOCAL,DEV=(WG,WH),PROFIL=(,IP,CSMACD), -
/ IPSNMASK=255.255.252.0,IPADR=139.22.108.10
/BCIN ROUTER,GEN=NODE,ROUTE=LAN,PROFIL=(TCP,IP), -
/ IPADR=139.22.108.1
Dynamic generation using CREATE commands
/CREATE-NODE NODE-NAME=LAN,IP-SUBNET-MASK=255.255.252.0
/CREATE-LINE LINE-NAME=LAN,IP-ADDRESS=139.22.108.10, -
/ L2-PROTOCOL=*CSMACD(NODE-NAME=LAN,WRITE-DEVICE=WG, -
/ READ-DEVICE=WH)
/CREATE-PROCESSOR PROCESSOR-NAME=ROUTER
/CREATE-ROUTE ROUTE-NAME=ROUTER,PATH=*NODE(NODE-NAME=LAN, -
/ L3-PROTOCOL=*IP(IP-ADDRESS=139.22.108.1))
Entry in the processor file
PARTROUT IP 139.25.210.9
It is also necessary to define the router function:
/MODIFY-ADDRESS-ASSIGNMENT ROUTE-NAME=ROUTER(ADD-IP-NET=*UNKNOWN)