Use "Protocol" attribute in $rt->stop_routing() which is implemented in t4.49 version of JTAPI. $rt->stop_routing () [PORTS] [ROUTERS] [PROTOCOLS {bgp | ospf | ospfv3 | isis | rip | rsvp | ldp | pim | bfd}] [MODE {v4 | v6 | v4v6 | all}] PROTOCOLS An array of names of protocols to be stopped Possible Values: bgp, ospf, ospfv3, isis, rip, rsvp, ldp, pim, bfd Note: All the configured routing protocols will be stopped if this parameter is not specified. Example: $rt->stop_routing(protocols=>"bgp", mode=>"v4");