For systems that are gateways to other domains, such as a firewall or a VPN node, use this procedure to turn on strict multihoming. The hostmodel property controls the send and receive behavior for IP packets on a multihomed system.
Before You Begin
You must become an administrator who is assigned the Network Management rights profile. For more information, see Using Your Assigned Administrative Rights in Securing Users and Processes in Oracle Solaris 11.4.
# ipadm set-prop -p hostmodel=strong ipv4 # ipadm set-prop -p hostmodel=strong ipv6
# ipadm show-prop -p hostmodel ip PROTO PROPERTY PERM CURRENT PERSISTENT DEFAULT POSSIBLE ipv6 hostmodel rw strong strong weak strong,src-priority,weak ipv4 hostmodel rw strong strong weak strong,src-priority,weak
For more information, see hostmodel Parameter (IPv4 or IPv6) in Oracle Solaris 11.4 Tunable Parameters Reference Manual and the ipadm(8) man page.
For more information about the use of strict multihoming, see How to Protect the Connection Between Two LANs With IPsec in Tunnel Mode.