docs nat: fix nat-ha ascii art

[vpp.git] / src / plugins / nat / nat_ha_doc.md

diff --git a/src/plugins/nat/nat_ha_doc.md b/src/plugins/nat/nat_ha_doc.md
index 82f7f28..f0ea209 100644 (file)
--- a/src/plugins/nat/nat_ha_doc.md
+++ b/src/plugins/nat/nat_ha_doc.md
@@ -1,4 +1,4 @@
-# Active-Passive NAT HA
+# Active-Passive NAT HA {#nat_ha_doc}
 
 ## Introduction
 
@@ -13,6 +13,7 @@ Session synchronization traffic is distributed through an IPv4 UDP connection. T
 
 The two NAT nodes have a dedicated link (interface GE0/0/3 on both) to synchronize NAT sessions using NAT HA protocol.
 
+```
         +-----------------------+
         |    outside network    |
         +-----------------------+
@@ -36,6 +37,7 @@ The two NAT nodes have a dedicated link (interface GE0/0/3 on both) to synchroni
         +-----------------------+
         |    inside network     |
         +-----------------------+
+```
 
 ### Active node configuration