On recent crashes
Gary Mu1der
gmulder at infotechfl.com
Tue Jun 28 17:30:23 GMT 2005
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
More information about the freebsd-stable
mailing list