----- Original Message ----- From: "Pedro Tom�" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Wednesday, March 30, 2005 1:25 AM Subject: IPv6 forwarding and routing in linux
> Hello all! > I'm developing a micro-mobility protocol in an IPv6 network for my > final degree project but I'm having some problems using IPv6. > > Imagine the following, simple, situation: > I'm connecting only two machines, a gateway and a pc that will work as > an access point using hostap. I have assigned global IPv6 addresses > (2000::etc/3) to simplify things (the protocol v4 is using global ipv4 > for the machines) and my network is an island isolated from the > internet. > > I've configured the routes to be point-to-point from the GW to the AP > and vice-versa. What do you mean with point-to-point connection? Do you mean you've setup a PPP link beteween both hosts? May be this is the key. Can you give us the output of the routing table of both hosts? Regards Miguel > When I try to ping the AP from the GW, the src addr of the packets > transmited from the GW is the global IPv6 addr that I've assigned to > the GW (so far so good), but when I try to ping the GW from the AP, > the src addr of the packets transmited from the AP is the link local > IPv6 addr autoconfigured by the AP... why is that? shouldn't the src > addr be the global addr ? they behave differently, the GW and the > AP...in either situations, the src addr should be OR the link local, > or the global addr, but the should be the same type of addr in both > situation. > > The second problem is when I turn on ipv6 forwarding using the echo 1 >> /proc/.../ipv6/conf/all/forwarding. > When I do this, if I ping the AP from the GW, the echo request gets to > the AP but the AP never answers with an echo reply.. > If I try to ping the GW from the AP I get the message "connect: > network is unreachable" > > It sounds weird that turning on ipv6 forwarding "destroys" the > *simple* ping point-to-point between AP and GW... > > If somebody could help with this two issues I would be very gratefull :) > I'm using debian with a 2.6.8 kernel. > Thanks, > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > Pedro Tome' [EMAIL PROTECTED] > INESC-id Grupo de Computa��o Natural > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > --------------------------------------------------------------------- > The IPv6 Users Mailing List > Unsubscribe by sending "unsubscribe users" to [EMAIL PROTECTED] > ************************************ Barcelona 2005 Global IPv6 Summit Call for Papers and information available at: http://www.ipv6-es.com This electronic message contains information which may be privileged or confidential. The information is intended to be for the use of the individual(s) named above. If you are not the intended recipient be aware that any disclosure, copying, distribution or use of the contents of this information, including attached files, is prohibited. --------------------------------------------------------------------- The IPv6 Users Mailing List Unsubscribe by sending "unsubscribe users" to [EMAIL PROTECTED]
