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-rw-r--r--sysconf/vyatta-sysctl.conf4
1 files changed, 4 insertions, 0 deletions
diff --git a/sysconf/vyatta-sysctl.conf b/sysconf/vyatta-sysctl.conf
index 3fe560b6..3e5717f1 100644
--- a/sysconf/vyatta-sysctl.conf
+++ b/sysconf/vyatta-sysctl.conf
@@ -67,3 +67,7 @@ net.ipv4.conf.all.send_redirects=1
# Increase size of buffer for netlink
net.core.rmem_max=2097152
+
+# Do not forget IPv6 addresses when a link goes down
+net.ipv6.conf.default.keep_addr_on_down=1
+net.ipv6.conf.all.keep_addr_on_down=1