When -1 is written in /proc/sys/net/ipv4/neigh/<iface>/locktime,
kernel disables ARP trashing protection. A value of 0 does not completely
disable this protection, a second ARP update being discarded if it
is processed during the same jiffie as the first update.
Signed-off-by: Alin Nastac <alin.nas...@gmail.com>
---
system-linux.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/system-linux.c b/system-linux.c
index 483a98d..0bdc53d 100644
--- a/system-linux.c
+++ b/system-linux.c
@@ -1476,7 +1476,7 @@ system_if_apply_settings(struct device *dev, struct
device_settings *s, unsigned
system_set_neigh6reachabletime(dev, buf);
}
if (s->flags & DEV_OPT_NEIGHLOCKTIME & apply_mask) {
- snprintf(buf, sizeof(buf), "%u", s->neigh4locktime);
+ snprintf(buf, sizeof(buf), "%d", s->neigh4locktime);
system_set_neigh4locktime(dev, buf);
}
if (s->flags & DEV_OPT_NEIGHGCSTALETIME & apply_mask) {
--
2.7.4
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