On Tue, 19 Mar 2024 15:37:56 +0100
Paul van der Vlis <p...@vandervlis.nl> wrote:

> Zoiets was dat bij mij ook. Ik vroeg me af of er ook een soort PING
> was op MAC niveau.

arping -I eth0 a.b.c.d

Dat zendt arp who-has naar a.b.c.d:

# arping -I wlan0 -c 1 192.168.66.1
ARPING 192.168.66.1 from 192.168.66.252 wlan0
Unicast reply from 192.168.66.1 [00:0D:B9:3F:F6:CE]  4.217ms
Sent 1 probes (1 broadcast(s))
Received 1 response(s)

# tcpdump -ni wlan0 arp
tcpdump: verbose output suppressed, use -v[v]... for full protocol
decode listening on wlan0, link-type EN10MB (Ethernet), snapshot length
262144 bytes 
23:44:22.257279 ARP, Request who-has 192.168.66.1 (ff:ff:ff:ff:ff:ff)
tell 192.168.66.252, length 28
23:44:22.261106 ARP, Reply 192.168.66.1 is-at 00:0d:b9:3f:f6:ce, length
46
^C
2 packets captured 2 packets received by filter
0 packets dropped by kernel


-- 
richard lucassen
http://contact.xaq.nl/

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