when I found out that ether-wake only did raw ether packets, I notoced
there's also a wol in the distro, that broadcasts wake up packets using
udp, that I can redirect on cisco equipment. It's working now.
thanks,
Ron
On 5/18/20 9:45 AM, Simon Matter via CentOS wrote:
Actually you are not correct.
1st: I didn't quote the wikipedia article, someone sent that as an
answer to my previous post.
(similar mindset probably, as in your response)
2: You are wrong, broadcast packets, like for example DHCP, and also
WOL (if UDP), can be routed, by
the means of ip helper addresses and directed broadcasts on Cisco
equipment
Also, you like others seem to have a very hard time understanding what
is wriiten/asked. I asked "What port number does
ether-wake us", ether-wake being part of Centos So what I am looking
for is a number, like 9, 37 or something in case it is
Part of the problem is that there is no THE WOL package as there are
different forms of WOL and their packages.
One way is using UDP port 9 as you said. I was using the script below to
do so (using socat) but I can tell you that this method doesn't work for
all devices.
#!/bin/bash
HWADDR="$1"
DEST_IP="255.255.255.255"
DEST_PORT="9"
# The magic packet is a broadcast frame containing anywhere within its
payload
# 6 bytes of all ones (FF FF FF FF FF FF in hexadecimal), followed by sixteen
# repetitions of the target computer's 48-bit MAC address.
MAGIC="\xFF\xFF\xFF\xFF\xFF\xFF"
for ((CNT=0; CNT < 16; CNT++)); do
MAGIC="${MAGIC}\x${HWADDR//:/\x}"
done
echo -en "$MAGIC" | socat -T1 -u STDIO \
UDP-DATAGRAM:${DEST_IP}:${DEST_PORT},broadcast
Kind regards,
Simon
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