AW: isc-dhcp-relay6 configuration

[Sebastian Klepatz]

This helps a lot. Thank you very much. I'll try it tomorrow morning and give you a short report.

-----Ursprüngliche Nachricht-----
Von: dhcp-users-bounces at lists.isc.org [mailto:dhcp-users-bounces at lists.isc.org] Im Auftrag von Sascha Frey
Gesendet: Donnerstag, 24. Juli 2014 13:27
An: Users of ISC DHCP
Betreff: Re: isc-dhcp-relay6 configuration

Sebastian Klepatz wrote:

>I installed isc-dhcp-relay and want to configure it. The only settings I found were "UPPER_INTERFACE" and "LOWER_INTERFACE" in /etc/default. I miss the possibility to set an IPv6 as destination. Does anybody know how to set this?

>From the man page:

-l [address%]ifname[#index]
Specifies the ''lower'' network interface for DHCPv6 relay mode: the interface on which queries will be received from clients or from other relay agents.

-u [address%]ifname
Specifies the ''upper'' network interface for DHCPv6 relay mode: the interface to which queries from clients and other relay agents should be forwarded. 
[...]
The destination unicast or multicast address can be specified by address%; if not specified, the relay agent will forward to the DHCPv6 All_DHCP_Relay_Agents_and_Servers multicast address.


e.g dhcrelay -6 -l eth1 -u xxxx:yyyy::zzzz%eth0

Where eth1 is the interface on which dhcrelay receives DHCPv6 requests, xxxx:yyyy::zzzz is the unicast IPv6 address of the DHCPv6 server and
eth0 is the interface which dhcrelay uses for outgoing requests to the
DHCPv6 server.


Hope this helps.



Cheers,
Sascha
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