Ipv6 Nd Raguard Router-Preference - Cisco 300 Series Cli Manual

IPv6 First Hop Security
OL-32830-01 Command Line Interface Reference Guide
switchxxxxxx(config-ra-guard)#
switchxxxxxx(config)#
switchxxxxxx(config-ra-guard)#
switchxxxxxx(config-ra-guard)# exit
Example 3—The following example removes an attached RA Guard policy:
switchxxxxxx(config)#
Policy policy1 is applied on the following ports:
gi11, gi12
The policy1 will be detached and removed, are you sure [Y/N]Y

25.37 ipv6 nd raguard router-preference

To globally enable verification of the advertised Default Router Preference value in
RA messages, use the ipv6 nd raguard router-preference command in Global
Configuration mode. To return to the default, use the no form of this command.
Syntax
ipv6 nd raguard router-preference {[maximum
no ipv6 nd raguard router-preference [maximum] [minimum]
Parameters
•
value
maximum
Router Preference value. The following values are acceptable: low, medium
and high (see RFC4191). The value of the high boundary must be equal to or
greater than the value of the low boundary.
•
value
minimum
Preference value. The following values are acceptable: low, medium and
high (see RFC4191).
Default Configuration
Verification is disabled.
exit
ipv6 nd raguard policy policy1
device-role router
no ipv6 nd raguard policy policy1
—Specifies the maximum allowed Advertised Default
—Specifies the minimum allowed Advertised Default Router
value value
] [minimum
25
]}
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