Re: ping options -- MIDRANGE-L

I had to make some very little changes to the include order (it's always problematic because the stock AIX .h outside /QOpensys can get mixed with the ones in /QOpensys, trigger redefinitions etc. ), and some forced include in the .c and it compiled, after a configure then make, using QOpensys gcc.Dumb me that I haven't took note, I've proceeded on an error basis, but was two or three quick changes.I'm out of office till next week, I'll try then to recreate and get back.At worse I can send you the binary : )Or, meanwhile, try to paste the whole process to an AI as experiment...download the src of fping and start with ./configure and paste to an LLM...report back ;)

On Thursday, March 5, 2026 at 07:56:28 PM GMT+1, Richard Schoen <richard@xxxxxxxxxxxxxxxxx> wrote:

Any special PASE instructions for compiling fping ?

Or just download and run make ?

Regards,
Richard Schoen
Web: http://www.richardschoen.net
Email: richard@xxxxxxxxxxxxxxxxx

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message: 1
date: Thu, 5 Mar 2026 13:53:14 +0000 (UTC)
from: cesco via MIDRANGE-L <midrange-l@xxxxxxxxxxxxxxxxxx>
subject: Re: ping options

Ok thanks, I've checked also the man page of AIX for the ping command, the DF option is missing too there (usually present in Freebsd and linuxes and windoze).-f in AIX is for flooding.
It is also possible that the networking layer of IBMi clears the DF bit even if you use raw sockets with IPv4 header specs to force it at the application layer, so with no direct control. Possibly to avoid PMTU mess ups as a default stance.
"fping" doesn't exist on AIX by default, it is an external (widely used) utility.

On Thursday, March 5, 2026 at 01:40:59 PM GMT+1, Rob Berendt <robertowenberendt@xxxxxxxxx> wrote:

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# ping -M 9.9.9.9
ping: Not a recognized flag: M
usage: ping [-dDLnqrRv] [-a address_family] [-c count] [-w timeout] ? ? ? ? [-f | -i wait] [-I a.b.c.d] [-l preload] [-o interface] ? ? ? ? [-p pattern] [-s packet_size] [-S IPv6_hostname_or_address] ? ? ? ? [-T ttl] [-E Interface name| Source Hostname| Source IP address] host [data size] [npackets] # fping -M 9.9.9.9
ksh: fping:? not found.
# oslevel -s
7300-03-01-2520

On Thu, Mar 5, 2026 at 6:36?AM cesco via MIDRANGE-L < midrange-l@xxxxxxxxxxxxxxxxxx> wrote:

? Out of curiosity to check this DF thing and to have a decent tool
also in PASE, I downloaded the "fping" last sources and compiled it in
PASE using gcc.
The tool is useful because supports ranges etc. so I'll keep it
installed on the partition, it works fine but when asked to "not
fragment" it says as below.
Does somebody have access to a real AIX with the possibility to check
if AIX allows it in stock ping (ping -f)??thanks

? -bash-5.2$ ./fping -M 9.9.9.9
./fping, -M option not supported on this platform

-bash-5.2$ ./fping --help
Usage: ./fping [options] [targets...]

Probing options:
? ? -4, --ipv4? ? ? ? only ping IPv4 addresses ? ? -6, --ipv6? ? ? ?
only ping IPv6 addresses ? ? -b, --size=BYTES? amount of ping data to
send, in bytes (default: 56) ? ? -B, --backoff=N? ? set exponential
backoff factor to N (default: 1.5) ? ? -c, --count=N? ? ? count mode:
send N pings to each target and report stats ? ? -f, --file=FILE? ?
read list of targets from a file ( - means stdin) ? ? -g, --generate? ?
generate target list (only if no -f specified), ? ? ? ? ? ? ? ? ? ? ?
limited to at most 131072 targets ? ? ? ? ? ? ? ? ? ? ? (give start and
end IP in the target list, or a CIDR
address)
? ? ? ? ? ? ? ? ? ? ? (ex. ./fping -g 192.168.1.0 192.168.1.255 or
./fping -g 192.168.1.0/24) ? ? -H, --ttl=N? ? ? ? set the IP TTL value
(Time To Live hops) ? ? -i, --interval=MSEC? interval between sending
ping packets (default: 10
ms)
? ? -l, --loop? ? ? ? loop mode: send pings forever ? ? -m, --all? ? ?
? ? use all IPs of provided hostnames (e.g. IPv4 and IPv6), use with
-A ? ? -M, --dontfrag? ? set the Don't Fragment flag ? ? -O, --tos=N? ?
? ? set the type of service (tos) flag on the ICMP packets ? ? -p,
--period=MSEC? interval between ping packets to one target (in ms) ? ?
? ? ? ? ? ? ? ? ? (in loop and count modes, default: 1000 ms) ? ? -r,
--retry=N? ? ? number of retries (default: 3) ? ? -R, --random? ? ?
random packet data (to foil link data compression) ? ? -S, --src=IP? ?
? set source address ? ? ? ? --seqmap-timeout=MSEC sequence number
mapping timeout (default:
10000 ms)
? ? -t, --timeout=MSEC individual target initial timeout (default: 500
ms, ? ? ? ? ? ? ? ? ? ? ? except with -l/-c/-C, where it's the -p
period up to
2000 ms)
? ? ? ? --check-source discard replies not from target address ? ? ? ?
--icmp-timestamp use ICMP Timestamp instead of ICMP Echo

Output options:
? ? -a, --alive? ? ? ? show targets that are alive ? ? -A, --addr? ? ?
? show targets by address ? ? -C, --vcount=N? ? same as -c, report
results (not stats) in verbose format ? ? -d, --rdns? ? ? ? show
targets by name (force reverse-DNS lookup) ? ? -D, --timestamp? ? print
timestamp before each output line ? ? ? ? --timestamp-format=FORMAT?
show timestamp in the given format (-D
required): ctime|iso|rfc3339
? ? -e, --elapsed? ? ? show elapsed time on return packets ? ? -J,
--json? ? ? ? output in JSON format (-c, -C, or -l required) ? ? -n,
--name? ? ? ? show targets by name (reverse-DNS lookup for target
IPs)
? ? -N, --netdata? ? ? output compatible for netdata (-l -Q are
required) ? ? -o, --outage? ? ? show the accumulated outage time (lost
packets * packet interval) ? ? -q, --quiet? ? ? ? quiet (don't show
per-target/per-ping results) ? ? -Q, --squiet=SECS[,cumulative]? same
as -q, but add interval summary every SECS seconds, ? ? ? ? ? ? ? ? ?
? ? ? ? ? ? ? ? ? with 'cumulative', print stats since beginning ? ?
-s, --stats? ? ? ? print final stats ? ? -u, --unreach? ? ? show
targets that are unreachable ? ? -v, --version? ? ? show version ? ?
-x, --reachable=N? shows if >=N hosts are reachable or not ? ? -X,
--fast-reachable=N exits true immediately when N hosts are found ? ? ?
? --print-tos? ? show received TOS value ? ? ? ? --print-ttl? ? show IP
TTL value

? ? On Wednesday, March 4, 2026 at 04:47:18 AM GMT+1, Don Brown via
MIDRANGE-L <midrange-l@xxxxxxxxxxxxxxxxxx> wrote:

? Hi

I had a request to run a ping on the IBMi and specify the -f option to
stop fragmentation.

The green screen option does not support specifying this option.

I searched and there was supposed to be an option in iNavigator but I
think that referred to the old version as I could not find it.

I tries the PASE environment but got "ping not found" and system ping
also does not seem to support any switches.

Hopefully I am just not looking hard enough ?

Thanks

Don Brown

Brisbane - Sydney - Melbourne

Don Brown

Senior Consultant

P: 1300 088 400