Defining An As Path List; Defining A Community List - HP 4800G Series Configuration Manual

Define an IPv6 prefix list
Identified by name, each IPv6 prefix list can comprise multiple items. Each item specifies a prefix range
to match and is identified by an index number.
An item with a smaller index number is matched first. If one item is matched, the IPv6 prefix list is
passed, and the routing information will not go to the next item.
Follow these steps to define an IPv6 prefix list:
To do...
Enter system view
Define an IPv6 prefix
list
If all items are set to the deny mode, no routes can pass the IPv6 prefix list. Therefore, you need to
define the permit :: 0 less-equal 128 item following multiple deny items to allow other IPv6 routing
information to pass.
For example, the following configuration filters routes 2000:1::/48, 2000:2::/48 and 2000:3::/48, but
allows other routes to pass.
<Sysname> system-view
[Sysname] ip ipv6-prefix abc index 10 deny 2000:1:: 48
[Sysname] ip ipv6-prefix abc index 20 deny 2000:2:: 48
[Sysname] ip ipv6-prefix abc index 30 deny 2000:3:: 16
[Sysname] ip ipv6-prefix abc index 40 permit :: 0 less-equal 128

Defining an AS Path List

You can define multiple items for an AS path list that is identified by number. The relation between items
is logical OR, that is, if a route matches one of these items, it passes the AS path list.
Follow these steps to define an AS path list:
To do...
Enter system view
Define an AS path ACL

Defining a Community List

You can define multiple items for a community list that is identified by number. During matching, the
relation between items is logic OR, that is, if routing information matches one of these items, it passes
the community list.
Use the command...
system-view
ip ipv6-prefix ipv6-prefix-name [ index
index-number ] { deny | permit } ipv6-address
prefix-length [ greater-equal min-prefix-length ]
[ less-equal max-prefix-length ]
Use the command...
system-view
ip as-path as-path-number { deny |
permit } regular-expression
1-4
Remarks
—
Required
Not defined by default.
Remarks
—
Required
Not defined by default.