[ovs-dev,04/10] ovn-sb: Fix "ip.ttl--" lower limit description.
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Message ID 1445412271-22019-4-git-send-email-jpettit@nicira.com
State Deferred
Headers show

Commit Message

Justin Pettit Oct. 21, 2015, 7:24 a.m. UTC
To decrement the IP TTL, the existing TTL can't be less than two.  The
field is not bit-maskable, though, so "ip.ttl < 2" will not work.

Signed-off-by: Justin Pettit <jpettit@nicira.com>
---
 ovn/ovn-sb.xml |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

Patch
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diff --git a/ovn/ovn-sb.xml b/ovn/ovn-sb.xml
index 9c2d411..e674f3a 100644
--- a/ovn/ovn-sb.xml
+++ b/ovn/ovn-sb.xml
@@ -870,7 +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>