Vivek Khera wrote:
If you have a spare server you don't mind crashing, can you try
running 20-60 instances of the following script:
#!/bin/sh
while :
do
arp -d <some valid IP> >/dev/null 2>&1
ping -c 1 -t 1 <the same valid IP> >/dev/null 2>&1
done
all copies pinging the same remote IP or different remote IP's?
Different, as the FreeBSD systems I was pinging were rate-limiting the
pings.
Here's excatly what I'm doing:
d5# cat arping.sh
#!/bin/sh
while :
do
arp -d 192.168.4.$1 >/dev/null 2>&1;
ping -c 1 -t 1 192.168.4.$1 >/dev/null 2>&1;
done
# for X in 13 4 101 44 13 4 101 44 13 4 101 44 13 4 101 44 13 4 101 44
13 4 101 44 13 4 101 44 13 4 101 44; do ./arping.sh $X & done
Gary
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