docs: Update docs for prefix representations in Neighbor Set

Signed-off-by: Satoshi Fujimoto <[email protected]>

docs/sources/cli-command-syntax.md

@@ -211,7 +211,7 @@ If you want to remove one element(prefix) of PrefixSet, to specify a prefix in a
 #### Syntax
 ```shell
 # add NeighborSet
-% gobgp policy neighbor add <neighbor set name> <neighbor address>
+% gobgp policy neighbor add <neighbor set name> <neighbor address/prefix>
 # delete a NeighborSet
 % gobgp policy neighbor del <neighbor set name>
 # delete a neighbor from a NeighborSet
@@ -227,7 +227,11 @@ If you want to add the NeighborSet：
 ```shell
 % gobgp policy neighbor add ns1 10.0.0.1
 ```
-A NeighborSet it is possible to have multiple address, if you want to remove the NeighborSet to specify only NeighborSet name.
+You can also specify a neighbor address range with the prefix representation:
+```shell
+% gobgp policy neighbor add ns 10.0.0.0/24
+``````
+A NeighborSet is possible to have multiple address, if you want to remove the NeighborSet to specify only NeighborSet name.
 ```shell
 % gobgp policy neighbor del ns1
 ```

docs/sources/configuration.md

@@ -168,7 +168,7 @@
         masklength-range = "24..32"
 [[defined-sets.neighbor-sets]]
    neighbor-set-name = "ns0"
-   neighbor-info-list = ["192.168.10.2"]
+   neighbor-info-list = ["192.168.10.2", "172.13.0.0/24"]
 [[defined-sets.bgp-defined-sets.community-sets]]
     community-set-name = "cs0"
     community-list = ["100:100"]

docs/sources/policy.md

@@ -272,6 +272,10 @@ prefix-sets and neighbor-sets section are prefix match part and neighbor match p
   [[defined-sets.neighbor-sets]]
     neighbor-set-name = "ns1"
     neighbor-info-list = ["10.0.255.1"]
+  # Prefix representations are also acceptable.
+  [[defined-sets.neighbor-sets]]
+    neighbor-set-name = "ns2"
+    neighbor-info-list = ["10.0.0.0/24"]
   ```
 
  - example 2