Dell PowerSwitch S4112F-ON EMC SmartFabric OS10 User Guide Release 10.5.1 - Page 733
ipv6 unreachables, show ipv6 neighbors
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ipv6 unreachables Enables generating error messages on an interface for IPv6 packets with unreachable destinations. Syntax Parameters Defaults Command Mode Usage Information ipv6 unreachables None ICMPv6 unreachable messages are not sent. INTERFACE ● By default, when no matching entry for an IPv6 route is found in the IPv6 routing table, the packet drops 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 generating 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 Displays IPv6 discovery information. Entering the command without options shows all IPv6 neighbor addresses stored on the control processor (CP). Syntax Parameters show ipv6 neighbors [vrf vrf-name] [ipv6-address| interface interface] ● vrf vrf-name - (Optional) Enter vrf then 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 display. ● 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 interface then the interface type and slot/port or number information: ○ For a 10-Gigabit Ethernet interface, enter TenGigabitEthernet then the slot/port/subport[/ subport] information. ○ For a 40-Gigabit Ethernet interface, enter fortyGigE then the slot/port information. ○ For a port channel interface, enter port-channel then a number. ○ For a VLAN interface, enter vlan then a number from 1 to 4093. Defaults Command Mode Usage Information Example None. EXEC The no version of this command resets the value to the default. OS10# show ipv6 neighbors IPv6 Address Hardware Address State Interface VLAN 1001:db8:a1::2 00:c5:05:02:12:91 REACH ethernet1/1/5 12 1001:db8:a1::f 00:f5:50:02:54:75 REACH port-channel5 12 200::2 00:c5:05:02:12:91 STALE ethernet1/1/10 400::f 00:f5:50:02:54:75 REACH port-channel20 Supported Releases 10.4.1.0 or later or later Layer 3 733
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