patchlwIP - A Lightweight TCP/IP stack - Patches: patch #10430, arp: support a proxy ARP IP...

 
 

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patch #10430: arp: support a proxy ARP IP address on the netif

Submitter:  Andrew Tridgell <tridge>
Submitted:  Wed 10 Jan 2024 04:52:11 AM UTC
   
 
Category:  None Priority:  5 - Normal
Status:  None Privacy:  Public
Assigned to:  None Open/Closed:  Open
Planned Release:  None

Fri 12 Jan 2024 07:04:07 AM UTC, comment #1: 

The patch as is is rather simple. I'm curious as to how would you integrate it into an application to make proxy ARP work with PPP?

Keeping that aside, two nits:
- a "remove proxyarp" function would probably be good
- could someone have the need for more than 1 proxy ARP entry? (e.g. more than one PPP interface per ethernet netif)

Simon Goldschmidt <goldsimon>
Group administrator
Wed 10 Jan 2024 04:52:11 AM UTC, original submission:  

allows (for example) for a PPP <-> ethernet gateway to support proxy ARP. This is simpler than the (currently disabled) proxyarp support built into PPP in lwip and more general purpose.
To use this the application should call netif_set_proxyarp() on the interface that should present the extra IP address, this will usually be a primary ethernet interface. When used with PPP the IP passed in should be the IP address of the remote end of the PPP link.

This feature is enabled with the ARP_PROXYARP_SUPPORT define.

Andrew Tridgell <tridge>

 

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Depends on the following items: None found

Items that depend on this one: None found

 

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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2024-01-11 tridge Attached File- Added 0001-arp-support-a-proxy-ARP-IP-address-on-the-netif.patch, #55555
    2024-01-10 tridge Attached File- Added 0001-arp-support-a-proxy-ARP-IP-address-on-the-netif.patch, #55554
    2024-01-10 tridge Attached File- Added 0001-arp-support-a-proxy-ARP-IP-address-on-the-netif.patch, #55549

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