Dell S4148U-ON OS10 Enterprise Edition User Guide Release 10.4.0E R2 - Page 317
Static IPv6 routing, IPv6 destination unreachable
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Disable duplicate address discovery OS10(config)# interface ethernet 1/1/1 OS10(conf-if-eth1/1/1)# ipv6 nd dad disable Disable IPv6 for duplicate link-local address OS10(config)# interface ethernet 1/1/1 OS10(conf-if-eth1/1/1)# ipv6 nd dad disable-ipv6-on-dad-failure Static IPv6 routing To define an explicit route between two IPv6 networking devices, configure a static route on an interface. Static routing is useful for smaller networks with only one path to an outside network, or to provide security for certain traffic types in a larger network. • Enter the static routing information including the IPv6 address and mask in x:x:x:x::x format in CONFIGURATION mode-prefix length 0 to 64. ipv6 route ipv6-prefix/mask {next-hop | interface interface [route-preference]} • next-hop - Enter the next-hop IPv6 address in x:x:x:x::x format. • interface interface - Enter the interface type then the slot/port or number information. • route-preference - (Optional) Enter a route-preference range-1 to 255. After you configure a static IPv6 route, configure the forwarding router's address on the interface. The IPv6 neighbor interface must have an IPv6 address configured. Configure IPv6 static routing and view configuration OS10(config)# ipv6 route 2111:dddd:0eee::22/128 2001:db86:0fff::2 OS10(config)# do show ipv6 route static Codes: C - connected S - static B - BGP, IN - internal BGP, EX - external BGP O - OSPF,IA - OSPF inter area, N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2, E1 - OSPF external type 1, E2 - OSPF external type 2, > - non-active route Gateway of last resort is not set Destination Gateway Dist/Metric Last Change S 2111:dddd:eee::22/12via 2001:db86:fff::2 ethernet1/1/1 1/1 00:01:24 IPv6 destination unreachable By default, when no matching entry for an IPv6 route is found in the IPv6 routing table, a packet is dropped and no error message is sent. You can enable the capability to send an IPv6 destination unreachable error message to the source without dropping the packet. Enable IPv6 unreachable destination messaging OS10(config)# interface ethernet 1/1/8 OS10(conf-if-eth1/1/8)# ipv6 unreachables Layer 3 317