Configures the amount of time in IPv6 Neighbor Discovery that a router is considered a valid default router.
<interface xmlns="urn:brocade.com:mgmt:brocade-interface"> <ethernet> <name>1/1</name> <ipv6> <ipv6-nd-ra xmlns="urn:brocade.com:mgmt:brocade-ipv6-nd-ra"> <ipv6-intf-cmds> <nd> <ra-lifetime>2000</ra-lifetime> </nd> </ipv6-intf-cmds> </ipv6-nd-ra> </ipv6> </ethernet> </interface>