doc: Add description for RPKI detailed information

Signed-off-by: Satoshi Fujimoto <satoshi.fujimoto7@gmail.com>

2 files changed, 23 insertions, 0 deletions

diff --git a/docs/sources/cli-command-syntax.md b/docs/sources/cli-command-syntax.md
index 913eface..b06e9120 100644
--- a/docs/sources/cli-command-syntax.md
+++ b/docs/sources/cli-command-syntax.md
@@ -129,6 +129,8 @@ The following options can be specified in the global subcommand:
 % gobgp neighbor <neighbor address> [local|adj-in|adj-out] [<prefix>|<host>] [longer-prefixes|shorter-prefixes] [-a <address family>]
 # show table summary
 % gobgp neighbor <neighbor address> [local|adj-in|adj-out] summary [-a <address family>]
+# show RPKI detailed information in adj-in table
+% gobgp neighbor <neighbor address> adj-in <prefix> validation
 ```
 
 #### - example
diff --git a/docs/sources/rpki.md b/docs/sources/rpki.md
index 9623398f..c2037a98 100644
--- a/docs/sources/rpki.md
+++ b/docs/sources/rpki.md
@@ -175,6 +175,27 @@ $ gobgp neighbor 10.0.255.2 local
     N*> 192.168.1.0/24   10.0.255.1           65001                00:00:21   [{Origin: i}]
 ```
 
+
+### Detailed Information about validation
+You can get the detailed information about announced routes.
+```bash
+$ gobgp neighbor 10.0.255.1 adj-in 2.1.0.0/16 validation
+Target Prefix: 2.1.0.0/16, AS: 65001
+  This route is invalid  reason: as
+  No VRP ASN matches the route origin ASN.
+
+  Matched VRPs:
+    No Entry
+  Unmatched AS VRPs:
+    Network            AS    MaxLen
+    2.0.0.0/12         3215  16
+    2.1.0.0/16         3215  16
+  Unmatched Length VRPs:
+    No Entry
+```
+From this, we can notice that 2.1.0.0/16 (Origin AS: 65001) is invalid due to its origin AS,
+the origin AS should be 3215.
+
 ## <a name="section3"> Force Re-validation
 
 Validation is executed every time bgp update messages arrive. The