Users Guide

● For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet then the slot/port information.
● For a Management interface, enter the keyword managementethernet followed
by slot/port numbers.
● For a Port Channel interface, enter the keywords port-channel followed by a
number.
● For a port channel interface, enter the keywords port-channel then a
number.
● For a VLAN interface, enter the keyword vlan then a number from 1 to 4094.
Defaults None
Command Modes
● EXEC
● EXEC Privilege
Command
History
This guide is platform-specific. For command information about other platforms, see the relevant Dell
Networking OS Command Line Reference Guide.
Version Description
9.8(2.0) Introduced on the S3100 series.
9.8(1.0) Introduced on the Z9100-ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.2(1.0) Introduced on the Z9500.
9.0.0.0 Introduced on the Z9000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.1 Introduced on the S4810.
Example
Dell# show ipv6 neighbors
IPv6 Address Expires(min) Hardware Address State Interface VLAN CPU
---------------------------------------------------------------------
100::1 0.03 00:00:00:00:00:22 DELAY Gi 1/12 - CP
fe80::200:ff:fe00:22 232 00:00:00:00:00:22 STALE Gi 1/12 - CP
500::1 0.60 00:01:e8:17:5c:af REACH Gi 1/13 - CP
fe80::200:ff:fe00:17 232 00:00:00:00:00:29 REACH Gi 1/14 - CP
900::1 0.60 00:01:e8:17:5c:b1 STALE Po 23 - CP
400::1 0.60 00:01:e8:17:5c:ae REACH Gi 1/2 Vl 100 CP
Dell#
IPv6 Router Advertisement (RA) Guard
The IPv6 RA guard provides support to perform conditional forwarding or blocking of the router advertisement messages that
are received at the network device platform. This functionality analyzes and filters the RAs sent by the devices and compares
the configuration information on the layer 2 device with the RA frame. Once the layer 2 device validates the content of the RA
frame against the configuration, it forwards the RA to its unicast or multicast destination. On failure to validate the RA frame
content, the RA frame is dropped.
The IPv6 RA guard supports two different modes:
● Host mode — When a policy with device role as host is applied on an interface, all the RA packets are dropped without
validation. You can also configure the host mode policy with VLAN option to drop the RA packets on that specific VLAN and
port.
● Router mode — When a policy with device role as router is applied on an interface, all the RA packets are validated based on
the configuration information in the policy. Similarly, you can also apply this mode over any specific VLAN and the validation
is performed only for that particular VLAN RA packets.
To configure the IPv6 RA guard, use the following Dell Networking OS commands.
900
Neighbor Discovery Protocol (NDP)