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(usagi-users 03960) AW: How to enable IPv6 only on a particular interface



Hi Pramendra,

that should be no problem: If you configure manually IPv6 addresses only on one interface and delete all IPv6 link-local addresses (beginning with fe80::) on the other interfaces, than only one interface is able to handle IPv6 packets.

Furthermore, in /proc/sys/net/ipv6/conf you should only see one eth-interface!

Best regards,

Dirk

-----Ursprüngliche Nachricht-----
Von: pramendra singh [mailto:pramendrasingh_it@xxxxxxxxxxx] 
Gesendet: Donnerstag, 4. Oktober 2007 05:36
An: usagi-users@xxxxxxxxxxxxxx
Betreff: (usagi-users 03958) How to enable IPv6 only on a particular interface

Hi

Is it possible to enable IPv6 only on a particular interface on a machine(say that my machine has eth0,
eth1 and eth2 interfaces and I want to enable IPv6 support only on eth0 intrface).

did anyone came across/worked on this scenario. Any suggestions/ remarks/ thoughts /views will be extremely helpful.

Thanks and Regards
Pramendra Singh

--- Noriaki TAKAMIYA <takamiya@xxxxxxxxxxxxx> wrote:

> Hi,
> 
> >> Tue, 2 Oct 2007 21:30:11 +0200
> >> [Subject: (usagi-users 03956) Re: UMIP-0.4 MN
> Tunnel Setup and Binding Update Failure]
> >> Alex <hhappy14@xxxxxxxxx> wrote...
> 
> > problem has been solved and MN can now send BU
> successfully to HA. I got
> > another question, is it true that MN and HA cannot
> ping each other when the
> > tunnel is established? In my testbed, MN and HA
> are both reachable from
> > other IPv6 nodes and can ping other IPv6 nodes.
> But they cannot ping each
> > other.
> ¡Á
> > > IPsecPolicy called "TunnelMh" needs to be
> deprecated.  We will remove
> > > it from the next version.
> > >
> > > IPsecPolicySet {
> > >     HomeAgentAddress 2001:5c0:8ffe::2;
> > >     HomeAddress 2001:5c0:8ffe::5/64;
> > >
> > >     IPsecPolicy Mh UseESP;
> > >     IPsecPolicy TunnelHomeTesting UseESP;
> > >                 ^^^^^^^^^^^^^^^^^
> > > }
> 
>   Did you reflect Shinta-san's to your configuration?
> 
>   And Arnaud says, could you show your IPsec configuraiton?
> 
>   In my environment, ping6 between HA and MN is done each other.
> 
>   Regareds,
> 
>   The following is the example of my MN's configuration
> 
> <part of mip6d.conf>
> --------------------------------------------------
> IPsecPolicySet {
>         HomeAgentAddress <address of HA>;
>         HomeAddress <address of MN>/64;
> 
>         IPsecPolicy Mh UseESP 1 2;
>         IPsecPolicy ICMP UseESP 5 6;
>         IPsecPolicy TunnelHomeTesting UseESP 3 4; }
> --------------------------------------------------
> 
> <IPsec configuration>
> --------------------------------------------------
> # BU
> add <address of MN> <address of HA> esp 0xaaaa2001 -m transport -u
>  1 -E 3des-cbc "V6LC-000--12345678901234" -A
> hmac-sha1 "V6LC-000--1234567890";
> # BA
> add <address of HA> <address of MN> esp 0xaaaa2002 -m transport -u
>  2 -E 3des-cbc "V6LC-000--12345678901234" -A
> hmac-sha1 "V6LC-000--1234567890";
> # HoTI
> add <address of MN> <address of HA> esp 0xaaaa2003 -m tunnel -u 3 -E 
> 3des-cbc "V6LC-000--12345678901234" -A hmac-sha1 
> "V6LC-000--1234567890"; # HoT add <address of HA> <address of MN> esp 
> 0xaaaa2004 -m tunnel -u 4 -E 3des-cbc "V6LC-000--12345678901234" -A 
> hmac-sha1 "V6LC-000--1234567890"; # MPS add <address of MN> <address 
> of HA> esp 0xaaaa2005 -m transport -u
>  5 -E 3des-cbc "V6LC-000--12345678901234" -A
> hmac-sha1 "V6LC-000--1234567890";
> # MPA
> add <address of HA> <address of MN> esp 0xaaaa2006 -m transport -u
>  6 -E 3des-cbc "V6LC-000--12345678901234" -A
> hmac-sha1 "V6LC-000--1234567890";
> # TNRV
> 
> # TNFW
> --------------------------------------------------
> 
> --
> Noriaki TAKAMIYA
> 
> 
> 
>
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> 
>
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