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-rw-r--r--include/net/addrconf.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 78ea3e332688..e7ce719838b5 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -6,6 +6,8 @@
#define RTR_SOLICITATION_INTERVAL (4*HZ)
#define RTR_SOLICITATION_MAX_INTERVAL (3600*HZ) /* 1 hour */
+#define MIN_VALID_LIFETIME (2*3600) /* 2 hours */
+
#define TEMP_VALID_LIFETIME (7*86400)
#define TEMP_PREFERRED_LIFETIME (86400)
#define REGEN_MAX_RETRY (3)