dot1x timouts with VMPS

The perl script that handles the VMPS requests (rad2vmps) waits forever
for VMPS answers:

Thu Nov  2 15:25:17 2006 : Debug:   modcall[authorize]: module
"check_mac" returns noop for request 86
Thu Nov  2 15:25:17 2006 : Debug:   modsingle[authorize]: calling eap
(rlm_eap) for request 86
Thu Nov  2 15:25:17 2006 : Debug:   rlm_eap: EAP packet type response id
18 length 6
Thu Nov  2 15:25:17 2006 : Debug:   rlm_eap: No EAP Start, assuming it's
an on-going EAP conversation
Thu Nov  2 15:25:17 2006 : Debug:   modsingle[authorize]: returned from
eap (rlm_eap) for request 86
Thu Nov  2 15:25:17 2006 : Debug:   modcall[authorize]: module "eap"
returns updated for request 86
Thu Nov  2 15:25:17 2006 : Debug: modcall: leaving group authorize
(returns updated) for request 86
Thu Nov  2 15:25:17 2006 : Debug:   rad_check_password:  Found Auth-Type
EAP
Thu Nov  2 15:25:17 2006 : Debug: auth: type "EAP"
Thu Nov  2 15:25:17 2006 : Debug:   Processing the authenticate section
of radiusd.conf
Thu Nov  2 15:25:17 2006 : Debug: modcall: entering group authenticate
for request 86
Thu Nov  2 15:25:17 2006 : Debug:   modsingle[authenticate]: calling eap
(rlm_eap) for request 86
Thu Nov  2 15:25:17 2006 : Debug:   rlm_eap: Request found, released
from the list
Thu Nov  2 15:25:17 2006 : Debug:   rlm_eap: EAP/mschapv2