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Ignore No-Path DAO if target is already reachable through a different route than the DAO sender

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This commit is contained in:
Sébastien Dawans 2013-07-25 11:21:04 +02:00
parent c4a121bf18
commit 0bd26d83c8
1 changed files with 1 additions and 1 deletions
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2
core/net/rpl/rpl-icmp6.c
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@ -655,7 +655,7 @@ dao_input(void)
if(lifetime == RPL_ZERO_LIFETIME) {
/* No-Path DAO received; invoke the route purging routine. */
if(rep != NULL && rep->state.saved_lifetime == 0 && rep->length == prefixlen) {
if(rep != NULL && rep->state.saved_lifetime == 0 && rep->length == prefixlen && uip_ipaddr_cmp(&rep->nexthop, &dao_sender_addr)) {
PRINTF("RPL: Setting expiration timer for prefix ");
PRINT6ADDR(&prefix);
PRINTF("\n");