How to test the DHCP IPv6 Relay

ameen.shajahan at wipro.com ameen.shajahan at wipro.com
Mon Jun 25 06:56:56 UTC 2012


Hi all,
Below is the connection arrangement for DHCP IPv6 relay , I am using ISC DHCP-4.2.3 code for server and relay.

I couldn't able to get the IPv6 address in client side.
Please provide how to achieve the IPv6 address.
What could be the error in this arrangement.

Please let me know.
I would be grateful and I am trying this for past one week.

                Server(eth0)---------------------------------------------------------(eth1)Relay(eth0)-----------------------------------------------------Windows7PC(Client)
     3ffe:501:ffff:107::/64 (eth0 IP)                                                                                                          3ffe:501:ffff:103::/64(eth0 IP)


My config filein server side

option dhcp6.name-servers 3ffe:501:ffff:100:200:ff:fe00:3f3e;
default-lease-time 4000;
subnet6 3ffe:501:ffff:107::/64 {
range6 3ffe:501:ffff:107::10 3ffe:501:ffff:107::15;
}
subnet6 3ffe:501:ffff:103::/64 {
range6 3ffe:501:ffff:103::13 3ffe:501:ffff:103::20;

Output in server side(IPv6)
# ./dhcpd -6 -d -cf /etc/dhcpd1.conf -lf /var/db/dhcpd6.leases eth0
Internet Systems Consortium DHCP Server 4.2.3
Copyright 2004-2011 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/
Wrote 0 leases to leases file.
Bound to *:547
Listening on Socket/5/eth0/3ffe:501:ffff:107::/64
Sending on   Socket/5/eth0/3ffe:501:ffff:107::/64

Output in Relay side(IPv6)

# ./dhcrelay -6 -d -I -l eth0 -u eth1
Internet Systems Consortium DHCP Relay Agent 4.2.3
Copyright 2004-2011 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/
Bound to *:547
Listening on Socket/eth1
Sending on   Socket/eth1
Listening on Socket/eth0
Sending on   Socket/eth0
Relaying Solicit from fe80::c8b0:62f6:fd72:7074 port 546 going up.
send_packet6: Cannot assign requested address
Relaying Solicit from fe80::c8b0:62f6:fd72:7074 port 546 going up.
send_packet6: Cannot assign requested address
Relaying Solicit from fe80::c8b0:62f6:fd72:7074 port 546 going up.
send_packet6: Cannot assign requested address
Relaying Solicit from fe80::c8b0:62f6:fd72:7074 port 546 going up.
send_packet6: Cannot assign requested address


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