[Xorp-users] Getting problem with MLD
Pavlin Radoslavov
pavlin at ICSI.Berkeley.EDU
Tue Oct 7 09:36:29 PDT 2008
Tushar Mehta <tushar.mehta at einfochips.com> wrote:
> I am getting problem in XORP-1.4 with MLD protocol.
> I want to run XORP as a MLD router but it is crashed while booting!!!
>
> *It seems that my kernel is not supporting IPv6 multicasting!!!*
IPv6 multicast routing support was added to Linux kernel 2.6.26,
hence you need to use a recent OS distribution with that kernel.
On XORP side you need to get the latest code from CVS, which
fixes some compilation issues introduced by kernel 2.6.26:
http://www.xorp.org/cvs.html
Also, have a look at XORP Bugzilla entry 761 in case your Linux
distribution's glibc has a buggy inet6_opt_init() implementation:
http://bugzilla.xorp.org/bugzilla/show_bug.cgi?id=761
Pavlin
> what are the changes required in the XORP configuration file or in kernel?
>
> My OS specification:
> Fedora Core 5
> kernel version: 2.6.15
> XORP version: 1.4
>
> Attachments:
> 1) Configuration file which is i am using in this case.
> 2) Snap shot of my desktop when XORP is crashed so you can see what kind of
> messages it is showing when i run it.
> 3) Ethereal Packets, which are captured when XORP booted up.
>
> /* $XORP: xorp/rtrmgr/config/multicast6.boot,v 1.1 2007/08/29 06:49:43 pavlin Exp $ */
>
> interfaces {
> interface eth0 {
> vif eth0 {
> address 2001:DB8:10:10:10:10:11:11 {
> prefix-length: 64
> }
> /* Note: The IPv6 link-local address must be configured */
> address fe80::1111:1111:1111:1111 {
> prefix-length: 64
> }
> }
> }
> }
>
> fea {
> unicast-forwarding6 {
> disable: false
> }
> }
>
> plumbing {
> mfea6 {
> disable: false
> interface eth0 {
> vif eth0 {
> disable: false
> }
> }
> interface register_vif {
> vif register_vif {
> /* Note: this vif should be always enabled */
> disable: false
> }
> }
> }
> }
>
> protocols {
> mld {
> interface eth0 {
> vif eth0 {
> disable: false
> }
> }
> }
> }
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