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authorDenis Ovsienko <infrastation@yandex.ru>2011-12-30 21:55:49 +0400
committerDenis Ovsienko <infrastation@yandex.ru>2012-01-26 11:42:48 +0400
commitd660f698427277ce695a5b756f3143c8304274ea (patch)
treef26d5f72724cae8ee9844f30ba8e0aaf7b7c3006 /ospfd
parent6134b875f39986564aced5e2d7329fcd852f17f4 (diff)
zebra: justify some IPv6 ND RA timers wrt RFC
There was a regression introduced with the previous commit: "ipv6 nd home-agent-lifetime 1800000" appeared by default in every interface section of running-config, although this command is invalid in this context. Troubleshooting and bugfixing of the issue tracked out several bugs in router advertisement procedures, some of which are fixed in this commit. * zebra/interface.c * if_zebra_new_hook(): update to treat -1 as "uninitialized" * nd_dump_vty(): idem * zebra/rtadv.c * rtadv_send_packet(): update processing of "router lifetime" field, "home agent" option and "home agent lifetime" field to conform to RFC6275 better * ipv6_nd_ra_interval_msec(): update MaxRtrAdvInterval range check, make sure it never exceeds (initialized) AdvDefaultLifetime * ipv6_nd_ra_interval(): idem * ipv6_nd_ra_lifetime(): update AdvDefaultLifetime range check, make sure it never falls below MaxRtrAdvInterval * ipv6_nd_homeagent_lifetime(): update HomeAgentLifetime range check * no_ipv6_nd_ra_lifetime(): update to treat -1 as "uninitialized" * no_ipv6_nd_homeagent_lifetime(): idem * rtadv_config_write(): idem
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