Dell PowerSwitch S4112F-ON OS10 Enterprise Edition User Guide Release 10.4.1.0 - Page 381
ipv6 unreachables, show ipv6 neighbors, Command Mode, Usage Information, Example, Supported Releases
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Command Mode Usage Information CONFIGURATION • When the interface fails, the system withdraws the route. The route reinstalls when the interface comes back up. When a recursive resolution is broken, the system withdraws the route. The route reinstalls when the recursive resolution is satisfied. After you create an IPv6 static route interface, if you do not assign an IP address to a peer interface, you must manually ping the peer to resolve the neighbor information. • The no version of this command deletes the IPv6 route configuration. Example OS10(config)# ipv6 route 2111:dddd:0eee::22/128 2001:db86:0fff::2 OS10(config)# ipv6 route 2111:dddd:0eee::22/128 interface null 0 Supported Releases 10.2.0E or later ipv6 unreachables Enables the generation of error messages on an interface for IPv6 packets with unreachable destinations. Syntax ipv6 unreachables Parameters None Defaults ICMPv6 unreachable messages are not sent. Command Mode INTERFACE Usage Information • By default, when no matching entry for an IPv6 route is found in the IPv6 routing table, the packet is dropped and no error message is sent. Use this command to enable sending an IPv6 destination unreachable error message to the source without dropping the packet. • The no version of this command disables the generation of unreachable destination messages. Example OS10(config)# interface ethernet 1/2/3 OS10(conf-if-eth1/2/3)# ipv6 unreachables Supported Releases 10.4.0E(R1) or later show ipv6 neighbors Display IPv6 discovery information. Entering the command without options shows all IPv6 neighbor addresses stored on the control processor (CP). Syntax show ipv6 neighbors [vrf vrf-name] [ipv6-address| interface interface] Parameters • vrf vrf-name - (Optional) Enter the keyword vrf and the name of the VRF to display the neighbors corresponding to that VRF. If you do not specify this option, neighbors corresponding to the default VRF are displayed. • ipv6-address - Enter the IPv6 address of the neighbor in the x:x:x:x::x format. The :: notation specifies successive hexadecimal fields of zero. • interface interface - Enter the keyword interface then the interface type and slot/port or number information: - For a 10-Gigabit Ethernet interface, enter the keyword TenGigabitEthernet then the slot/port/subport[/ subport] information. - For a 40-Gigabit Ethernet interface, enter the keyword fortyGigE then the slot/port information. - For a port channel interface, enter the keywords port-channel then a number. Layer 3 381
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