5000 Series Layer 2/3 Managed Data Center Switch CLI Reference Guide
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with the same sequence number. The value ranges from 1 to
4,294,967,294.
permit
Permit routes whose destination prefix matches the statement.
deny
Deny routes whose destination prefix matches the statement.
ipv6-prefix/prefix-length
Specifies the match criteria for routes being compared to the prefix list
statement. The ipv6- prefix can be any valid IP prefix. The length is any
IPv6 prefix length from 0 to 32.
ge length
(Optional) If this option is configured, then a prefix is only considered a
match if its network mask length is greater than or equal to this value.
This value must be longer than the network length and less than or
equal to 32.
le length
(Optional) If this option is configured, then a prefix is only considered a
match if its network mask length is less than or equal to this value. This
value must be longer than the ge length and less than or equal to 32.
renumber-interval first-
statement-number
(Optional) Provides the option to renumber the sequence numbers of
the IP prefix list statements with a given interval starting from a
particular sequence number. The valid range for renumber-interval is 1-
100, and the valid range for first-statement-number is 1-1000.
Default
The default is Prefix lists are not configured. When neither the
le
nor the
ge
option is configured, the
destination prefix must match the network/length. If the
ge
option is configured but the
le
option is not,
then any prefix with a network mask value greater than or equal to the
ge
value is considered a match.
Similarly, if the
le
option is configured but the
ge
option is not, then any prefix with a network mask value
less than or equal to the
le
value is considered a match.
Command Mode
Global Config
8-34
ipv6 unreachables
Enables the generation of ICMPv6 Destination Unreachable messages on a single interface or a range of
interfaces. The generation of such messages is enabled by default.
The
no
command prevents the generation of ICMPv6 Destination Unreachable messages.
ipv6 unreachables
no ipv6 unreachables
Parameters
None
Default
The default is Enabled.
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