[lwip-devel] [patch #9748] Adding support for sending Router Advertisement for ND6

[yanhc]

Follow-up Comment #1, patch #9748 (project lwip):

Configuration parameters in lwipopts.h:

/* LWIP_IPV6_SEND_ROUTER_ADVERTISE==1, nd6 will send ra and accpet rs 
     When a netif is up, ra will be sent 3 times after every 2 seconds,
     then, each ra will be sent after every 600 seconds.
     The procedure of ra sending is in nd6_tmr which is called every 1
seconds.
     RFC4861 suggests random ra interval to reduce the probability 
     of synchronization with ra from other routers on the same link.
     In our case, there is only one router on one link, so random is
unnecesary.
*/
#define LWIP_IPV6_SEND_ROUTER_ADVERTISE   1

#define LWIP_ND6_MAX_INITIAL_RA                 3
#define LWIP_ND6_INITIAL_RA_INTERVAL    2
#define LWIP_ND6_NORMAL_RA_INTERVAL             600

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