On Solaris OS, We use the following command to config the multicast address for NIC in order to process the multicast packets:
# route add 228.228.228.228 10.101.10.2
Where " 228.228.228.228 " is the multicast for specified NIC ip 10.101.10.2 .
Also use the netstat -nr, the above set could been displayed as the following:
In our program, we use the function:
setsockopt(sockfd,IPPROTO_IP,IP_ADD_MEMBERSHIP,&mreq,sizeof(mreq)) to
join the multicast group and receive the packets.
At the begining, all runs ok. But after about two days later, the multicast address 228.228.228.228 was lost, which cause our program run unnormmally.
What confuse us is that the above phenomena do not exist on the other UNIX/Linux OS. anyone can fix it,thanks.
Hi please help,
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Hi, there
On HP-UX, I want to multicast packets on two different IP network repectively.
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First time so excuse my ignorance please.
I may not be accurately describing the issue.
I have inherited a small lab mostly SUN V120s.
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Nope no backups...
The primary issue I have is 1 box is an Oracle Server.
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MCSENDER(8) System Manager's Manual MCSENDER(8)NAME
mcsender - Multicast test tool to send multicast test packets
SYNOPSIS
mcsender [-t<ttl>] [-i<interface>] ip:port
DESCRIPTION
mcsender sends multicast packets to the specified IPv4 or IPv6 multicast address and port. The packets sent contain the string "this is the
test message from mclab/mcsender
".
OPTIONS
-t<ttl>
Set the TTL (or hop limit for IPv6) to the specified value.
-i<interface>
Specify the interface to use for outgoing multicast datagrams.
EXAMPLES
To send datagrams to IPv4 multicast address 239.1.1.1 and port 12345 with a TTL of 3:
$ mcsender -t3 239.1.1.1:12345
To send datagrams to IPv4 multicast address 239.1.1.1 and port 12345 with a TTL of 3 out of interface eth1:
$ mcsender -ieth1 -t3 239.1.1.1:12345
To send datagrams to IPv6 multicast address ff15::1 and port 12345 with a hop limit of 3:
$ mcsender -t3 ff15::1:12345
To send datagrams to IPv6 multicast address ff15::1 and port 12345 with a hop limit of 3 out of interface eth1:
$ mcsender -ieth1 -t3 ff15::1:12345
AUTHOR
mcsender was written by Carsten Schill <carsten@cschill.de>.
Support for IPv6 was added by Todd Hayton <todd.hayton@gmail.com>.
This manual page was written by Julien BLACHE <jblache@debian.org>, for the Debian project (but may be used by others).
August 08, 2011 MCSENDER(8)