[NETVIRT-868] In Conntrack SNAT, when a router g/w is cleared traffic is dropped for other routers Created: 23/Aug/17  Updated: 03/May/18  Resolved: 05/Sep/17

Status: Resolved
Project: netvirt
Component/s: General
Affects Version/s: Carbon
Fix Version/s: None

Type: Bug
Reporter: Aswin Suryanarayanan Assignee: Aswin Suryanarayanan
Resolution: Done Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified
Environment:

Operating System: All
Platform: All

External issue ID: 9039

 Description   

In Conntrack SNAT, when a router g/w is cleared traffic is dropped for other routers.

Step to reproduce.
------------------
In a single node setup
1)Create two tenant n/w net1 and net2 and a external n/w
2)Create two routers and one n/w to each router and set the g/w
3)Clear on of the router g/w for net1
4)Try to ping the external n/w from the DHCP NS of net2.

Expected output
----------------
External n/w should be reachable.

Actual output
--------------
External n/w is not reachable.

 Comments   
Comment by Aswin Suryanarayanan [ 23/Aug/17 ]

https://git.opendaylight.org/gerrit/#/c/62220/

Comment by A H [ 23/Aug/17 ]

A patch was submitted to revert the changes and fix this bug in Carbon SR2:

https://git.opendaylight.org/gerrit/#/c/61873/

To better assess the impact of this bug and fix, could someone from your team please help us identify the following:
Regression: Is this bug a regression of functionality/performance/feature compared to Carbon?
Severity: Could you elaborate on the severity of this bug? Is this a BLOCKER such that we cannot release Carbon SR2 without it?
Workaround: Is there a workaround such that we can write a release note instead?
Testing: Could you also elaborate on the testing of this patch? How extensively has this patch been tested? Is it covered by any unit tests or system tests?
Impact: Does this fix impact any dependent projects?

Comment by Jamo Luhrsen [ 05/Sep/17 ]

Aswin,

is this resolved now?

Comment by Aswin Suryanarayanan [ 05/Sep/17 ]

Jamo,

Yes it is resolved.

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