Configuring IPv6 Prefix List
Use IPv6 prefix lists to allow or deny specific route updates. A prefix list policy specifies route prefixes to match. When there is a match, the route is used.
Before you begin
-
Change the VRF instance as required to configure a prefix list on a specific VRF instance.
Procedure
- In the navigation pane, open the following folders: .
- Click Policy.
- In the Ipv6-Prefix List tab, click Insert.
- Edit the parameters as required.
- Click Insert.
Ipv6–Prefix list field descriptions
Use the data in the following table to use the Ipv6–Prefix List tab.
|
Name |
Description |
|---|---|
|
Id |
Specifies the list identifier. The range is 1 to 2147483647. |
|
Prefix |
Specifies the prefix IPv6 address. |
|
PrefixMaskLen |
Specifies the length of the prefix mask. You must enter the full 128-bit mask to exact a full match of a specific IPv6 address (for example, when creating a policy to match the next-hop). |
|
Name |
Names a specified prefix list during the creation process or renames the specified prefix list. The name can be from 1 to 64 characters in length. |
|
MaskLenFrom |
Specifies the lower bound on the mask length. The default is the mask length. Lower bound and higher bound mask lengths together can define a range of networks. |
|
MaskLenUpto |
Specifies the higher bound mask length. The default is the mask length. Lower bound and higher bound mask lengths together can define a range of networks. |