tasklwIP - A Lightweight TCP/IP stack - Tasks: task #13397, Add optional source-based IPv4...

 
 

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task #13397: Add optional source-based IPv4 routing

Submitter:  Simon Goldschmidt <goldsimon>
Submitted:  Fri 14 Nov 2014 08:27:57 PM UTC
   
 
Category:  IPv4 Should Start On:  Fri 14 Nov 2014 12:00:00 AM UTC
Should be Finished on:  Fri 14 Nov 2014 12:00:00 AM UTC Priority:  5 - Normal
Status:  Done Privacy:  Public
Assigned to:  goldsimon Percent Complete:  100%
Open/Closed:  Closed Planned Release:  1.5.0
Effort:  0.00

Sun 30 Aug 2015 07:55:53 PM UTC, comment #2: 

Done: to support IPv4 source based routing: define LWIP_HOOK_IP4_ROUTE_SRC to point to a routing function (src parameter may be NULL)

Simon Goldschmidt <goldsimon>
Group administrator
Mon 17 Nov 2014 03:40:29 PM UTC, comment #1: 

There are a few scenarios, yes. For example, I have some setups with Ethernet and serial PPP modem, both are connected to the internet. I modified ip_route() so that packets are returned on the same netif as they were received. Otherwise, they are always routed back on default_netif and that doesn't always work.

Another scenario is with overlapping subnets, but I think it is OK if we don't natively support that.

Ivan Delamer <idelamer>
Group Member
Fri 14 Nov 2014 08:27:57 PM UTC, original submission:  

There are obviously configurations where source-based routing is required. The core code should not prevent this (while preventing an impact of this feature on single-netif configurations).

Simon Goldschmidt <goldsimon>
Group administrator

 

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  • -email is unavailable- added by idelamer (Posted a comment)
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    Follow 5 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2015-08-30 goldsimon StatusNone Done
        Percent Complete0% 100%
        Assigned toNone goldsimon
        Open/ClosedOpen Closed
    2015-08-28 goldsimon Planned ReleaseNone 1.5.0

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