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Old 07-01-2005, 07:21 AM   #1
ydb82
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Registered: Jul 2005
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Thumbs down bind() fail while binding to an IPv6 Address


I enabled IPv6 on Redhat Linux 7.3 and Redhat AS 3.

I have written a sample Client and Server program using the IPv4/IPv6 compatible socket calls.

When i give IPv4 address, the server binds and listens to client connections.
But when i give IPv6 Address, bind fails as below

bind() failed with error 22: Invalid argument

ifconfig -a lists both IPv4 and IPv6 addresses.

I am able to ping both the addresses.

This same code works fine on Solaris,AIX,Windows,HPUX but on both the Linux distributions its not working.
Please help.

Thanks
yash
 
Old 07-03-2005, 03:25 PM   #2
Mara
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Please show fragments of your code, especially all socket-related functions.
 
Old 07-04-2005, 04:23 AM   #3
ydb82
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Thanks mara for your reply..

here is the code fragment

Client Code :

RetVal = getaddrinfo("fe80::210:b5ff:fea6:d412", "16000", &Hints, &AI);
ConnSocket = socket(AI->ai_family, AI->ai_socktype, AI->ai_protocol);
i = connect(ConnSocket, (struct sockaddr *)AI->ai_addr, AI->ai_addrlen);

Socket Code :

RetVal = getaddrinfo("fe80::210:b5ff:fea6:d412%eth0", "16000", &Hints, &AI);
ServSock1 = socket(AI->ai_family, AI->ai_socktype, AI->ai_protocol);
i = bind(ServSock1, (struct sockaddr *)AI->ai_addr, AI->ai_addrlen);
i = listen(ServSock1, 5);

earlier i dint give the "%eth0" along with the address in the server code.. hence the bind was getting failed. After giving tht bind got succeded but now i am havng a problem on the client side.

the connect() is getting failed with the following message

"Error Connection establishment, error 22: Invalid argument"

Please help..
thnks
yash
 
Old 07-05-2005, 05:21 PM   #4
Mara
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Registered: Feb 2002
Location: Grenoble
Distribution: Debian
Posts: 9,527

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It's hard to say without seeing all the values you pass, but I'd look into AI->ai_addrlen. Better, print out the values. Maybe the protocl doesn't make sense etc.
 
  


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