Clearing Ipv6 Routes; Configuring Ipv6 Ra Guard - Dell Z9500 Configuration Manual

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
hop-limit {maximum | minimum limit}
The hop limit range is from 0 to 254.
6 Set the managed address configuration flag.
POLICY LIST CONFIGURATION mode
managed-config-flag {on | off}
7 Enable verification of the sender IPv6 address in inspected messages from the authorized device source access list.
POLICY LIST CONFIGURATION mode
IPv6 Routing 447