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interface TenGigabitEthernet 2/2/1
no ip address
ipv6 address 3:4:5:6::8/24
shutdown
Dell#
Clearing IPv6 Routes
To clear routes from the IPv6 routing table, use the following command.
• Clear (refresh) all or a specific route from the IPv6 routing table.
EXEC mode
clear ipv6 route {* | ipv6 address prefix-length}
– *: all routes.
– ipv6 address: the format is x:x:x:x::x.
– mask: the prefix length is from 0 to 128.
NOTE: IPv6 addresses are normally written as eight groups of four hexadecimal digits, where
each group is separated by a colon (:). Omitting zeros is accepted as described in Addressing.
Configuring IPv6 RA Guard
The IPv6 Router Advertisement (RA) guard allows you to block or reject the unwanted router
advertisement guard messages that arrive at the network device platform.
To configure the IPv6 RA guard, perform the following steps:
1. Configure the terminal to enter the Global Configuration mode.
EXEC Privilege mode
configure terminal
2. Enable the IPv6 RA guard.
CONFIGURATION mode
ipv6 nd ra-guard enable
3. Create the policy.
POLICY LIST CONFIGURATION mode
ipv6 nd ra-guard policy policy-name
4. Define the role of the device attached to the port.
POLICY LIST CONFIGURATION mode
device-role {host | router}
Use the keyword host to set the device role as host.
Use the keyword router to set the device role as router.
5. Set the hop count limit.
POLICY LIST CONFIGURATION mode
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IPv6 Routing