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Questions tagged [proxy-arp]

Use this tag for everything that involves proxying the ARP protocol, from the proxy_arp setting in Linux's /proc, to a gateway answering to ARP requests on behalf of a full network on another interface.

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2 votes
3 answers

Is promiscuous mode needed for proxy arp?

edit: I have found that this is a duplicate of Why ARP Response only when network adapter in promiscuous mode?. I use a Raspberry Pi 3B+ with Rasbian Stretch and set it up with proxy arp following ...
Ingo's user avatar
  • 626
3 votes
2 answers

How to add arp entry for an entire subnet (/16)?

I would like to add ARP entry for an entire subnet ( I tried : arp -v -i p4p1 -s MAC_OF_P4P2 netmask pub But the command returns: arp: SIOCSARP() SIOCSARP: ...
None's user avatar
  • 647
5 votes
1 answer

Linux does not proxy-arp for me, despite the documentation suggesting that it does

I am working on a PDP-10 emulator (see ). The operating system installed inside it may want to communicate with the outside world via IPv4 (which was just gaining use ...
Rhialto supports Monica's user avatar
3 votes
1 answer

Enabling proxy_arp for interface eth2.1

Am trying to enable proxy arp for some of the interfaces, with the normal interface name eth0, eth1, etc [[email protected]]# sysctl net.ipv4.conf.eth0.proxy_arp 0 But for interface names such as "eth1....
vindyz's user avatar
  • 231
5 votes
1 answer

eth0 is proxy-arping, but /proc/sys/net/ipv4/conf/eth0/proxy_arp is 0

I'm scratching my head about this question... I have a debian squeeze machine that is connected to an internal lab network. We have a lot of machines that have default proxy-arp configurations on ...
Mike Pennington's user avatar