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Make maxmtu equal to minmtu when fixing the path MTU to a node.

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This ensures MTU probes used to ping nodes are not too large, and prevents
restarting MTU probing unnecessarily.
This commit is contained in:
Guus Sliepen 2009-10-24 21:35:40 +02:00
parent a8f7fccbc2
commit d922db253c
1 changed files with 4 additions and 0 deletions
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4
src/net_packet.c
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@ -91,6 +91,10 @@ void send_mtu_probe(node_t *n) {
}
if(n->mtuprobes == 30 || (n->mtuprobes < 30 && n->minmtu >= n->maxmtu)) {
if(n->minmtu > n->maxmtu)
n->minmtu = n->maxmtu;
else
n->maxmtu = n->minmtu;
n->mtu = n->minmtu;
ifdebug(TRAFFIC) logger(LOG_INFO, "Fixing MTU of %s (%s) to %d after %d probes", n->name, n->hostname, n->mtu, n->mtuprobes);
n->mtuprobes = 31;