ovn: Fix localnet ports on the same chassis.

[cascardo/ovs.git] / ovn / ovn-sb.xml

diff --git a/ovn/ovn-sb.xml b/ovn/ovn-sb.xml
index 1d9104e..e674f3a 100644 (file)
--- a/ovn/ovn-sb.xml
+++ b/ovn/ovn-sb.xml
@@ -782,7 +782,11 @@
           <p>
             Output to the input port is implicitly dropped, that is,
             <code>output</code> becomes a no-op if <code>outport</code> ==
-            <code>inport</code>.
+            <code>inport</code>.  Occasionally it may be useful to override
+            this behavior, e.g. to send an ARP reply to an ARP request; to do
+            so, use <code>inport = "";</code> to set the logical input port to
+            an empty string (which should not be used as the name of any
+            logical port).
           </p>
         </dd>
 
@@ -866,7 +870,8 @@
             Decrements the IPv4 or IPv6 TTL.  If this would make the TTL zero
             or negative, then processing of the packet halts; no further
             actions are processed.  (To properly handle such cases, a
-            higher-priority flow should match on <code>ip.ttl &lt; 2</code>.)
+            higher-priority flow should match on
+            <code>ip.ttl == {0, 1};</code>.)
           </p>
 
           <p><b>Prerequisite:</b> <code>ip</code></p>