WiMAX-Capabilty proxy issue

Ramon J. Castillo ramon at rcastillo.net
Wed Nov 11 10:56:35 CET 2009


Dear all;

I'm having an issue when proxying an access-request message between two WiMAX networks.
I recently downloaded FR 2.1.8 and I'm in the middle of the messaging path.
The home network is using EAP-TLS but it should be transparent for the proxy right?
The issue is with the AVP WiMAX-Capability(1) please see below the packets captured (shown as in WireShark)

Sending network AVP before FR proxy as arrived:

        AVP: l=17  t=Vendor-Specific(26) v=WiMAX(24757)
            VSA: l=11 t=WiMAX-Capability(1) C=0x00: 2 TLV(s) inside
                TLV: l=5  t=WiMAX-Release(1): 1.4
                    WiMAX-Release: 1.4
                TLV: l=3  t=WiMAX-Accounting-Capabilities(2): No-Accounting(0)
                    WiMAX-Accounting-Capabilities: No-Accounting (0)

After proxy from FR to the Home network

        AVP: l=17  t=Vendor-Specific(26) v=WiMAX(24757)
            VSA: l=11 t=WiMAX-Capability(1) C=0x00: 
                TLV: l=7  t=WiMAX-Release(1): 1.4\002\005
                    WiMAX-Release: 1.4\002\005
                [Not enough room in packet for TLV header]


The home network AAA complains with the error message that can not decode the AVP WiMAX-Capabilty.

Any ideas why and what can I do to fix it are very much appreciated


Merci
Thanks a lot
Vielen Dank!
Gracias

Ramon
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