kernel version : Linux- 3.1 Module : IPV6 Description of problem: Found duplicate default route (::/0) entries in kernel IPV6 routing table . route -6 -n Kernel IPv6 routing table Destination Next Hop Flag Met Ref Use If fe80::/64 :: U 256 0 0 eth1 fe80::/64 :: U 256 0 0 eth2 fe80::/64 :: U 256 0 0 eth3 fe80::/64 :: U 256 0 0 eth0 ::/0 :: !n -1 1 1 lo ::1/128 :: Un 0 1 12 lo fe80::7ae7:d1ff:fe94:915a/128 :: Un 0 1 0 lo fe80::7ae7:d1ff:fe94:915c/128 :: Un 0 1 0 lo fe80::7ae7:d1ff:fe94:915e/128 :: Un 0 1 0 lo fe80::7ae7:d1ff:fe94:9160/128 :: Un 0 1 0 lo ff00::/8 :: U 256 0 0 eth1 ff00::/8 :: U 256 0 0 eth2 ff00::/8 :: U 256 0 0 eth3 ff00::/8 :: U 256 0 0 eth0 ::/0 :: !n -1 1 1 lo Please let me know about this situation , why there is duplicate entries are present in kernel IPV6 routing table. Thanks ! Nitin Yadav Information transmitted by this e-mail is proprietary to MphasiS, its associated companies and/ or its customers and is intended for use only by the individual or entity to which it is addressed, and may contain information that is privileged, confidential or exempt from disclosure under applicable law. If you are not the intended recipient or it appears that this mail has been forwarded to you without proper authority, you are notified that any use or dissemination of this information in any manner is strictly prohibited. In such cases, please notify us immediately at mailmaster@mphasis.com and delete this mail from your records.