[NETVIRT-245] split horizon bit should be reset to zero for centralized use cases (SNAT), to support SNAT through VLAN/Flat private network Created: 07/Nov/16  Updated: 19/Oct/17  Resolved: 05/Dec/16

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

Type: Bug
Reporter: Alon Kochba Assignee: Unassigned
Resolution: Duplicate Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified
Environment:

Operating System: All
Platform: All

Issue Links:
Duplicate
duplicates NETVIRT-235 NAPT is not functional Resolved
External issue ID: 7099

 Description   

Following this commit - https://git.opendaylight.org/gerrit/#/c/47794/ - there is now a split horizon protection in the Egress dispatcher (220).

This means traffic that originates from a VLAN/Flat network will not be outputted back to a VLAN/Flat network.
This needs to be overridden in specific usecases where our switches aren't distributed (places that use a centralized switch, e.g. NAPT switch).

Currently traffic originating from a compute that is NOT the NAPT switch, through a VLAN/Flat private network, will not be able to use the NAPT feature as the packet will be dropped before output on the NAPT switch.

 Comments   
Comment by Ravit Peretz [ 05/Dec/16 ]

will be fixed by Tali in:
https://git.opendaylight.org/gerrit/#/c/48867/

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