[support] Question on MCoA: UPDATE

[Eriza Hafid Fazli]

Hi guys,

Never mind this question; we've figured it out ourselves. It turns out
there's a firewall rule at the HA which drops the ping packets. Things work
perfectly after removing this rule.

Best regards,
Eriza




-----Ursprüngliche Nachricht-----
Von: Eriza Hafid Fazli [mailto:eriza.fazli at triagnosys.com] 
Gesendet: Freitag, 8. Mai 2009 13:09
An: 'support at jules.nautilus6.org'
Cc: 'Ignasi Esteva'
Betreff: Question on MCoA 

Hello Romain, all,

I'm currently installing MCoA support in our network mobility test-bed, and
I have some questions. At the mobile router we have two interfaces, eth1 and
eth2 for connecting to the access routers AR1 and AR2 respectively. Eth0 is
used for home-network link. When eth1 and eth2 are up, everything works
perfectly. I can ping from a host in the mobile network to outside hosts.

The problem starts when one of the interfaces is turned off (with command
"ip link set eth1 down"). I can see that the corresponding tunnel is closed,
both at the MR and at the HA, and the traffic is re-routed through the other
available interface. However the HA does not continue to forward the ping
packets to the destined CN. I see that the (IPv6 in IPv6) encapsulated "Echo
Request" packets arrive at the HA, but they are neither decapsulated nor
forwarded to the destination. 

I wonder if I miss some configuration options or if something is not
correctly setup. I attach the MR and the HA config file so that you can
check if there's something wrong.

Thanks for your help.

Best regards,
Eriza

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Eriza Hafid Fazli
TriaGnoSys GmbH 
Argelsrieder Feld 22
82234 Wessling-Oberpfaffenhofen 
Germany
 
Tel: +49 8153 88678-209 
Fax:+49 8153 88678-1
   
email: eriza.fazli at triagnosys.com 
www: http://www.triagnosys.com
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Geschäftsführer: Matthias Holzbock, Dr. Axel Jahn, Dr. Markus Werner

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