I have a Sony Vaio with a built in Wireless NIC which is referred to in the device manager as Lan-Express (I believe it is an Ornioco product). When I use this to connect to my home AP (SMC 7004AWBR wireless router w/3 hardwire ports) it connects to the internet and my other systems w/o problem, yet when I use my Cisco VPN client to establish a connection to my company's firewall (Pix506) it sees the firewall and seems to create the VPN, yet when I try to ping any of my servers behind the firewall they time out.
The bizarre thing is that if I use the built in hardwire NIC in my Sony I can VPN into work fine, if I use a SMC wireless PCMIA NIC card (2632W) it works, its only when I use Sony's internal wireless NIC.
SMC says its not their problem since the SMC card works. Cisco says it isn't their problem since the VPN client works when I hardwire the Sony and they have seen some wireless NICs establish a VPN circuit but not pass traffic, and Sony says they don't provide Network support since their Wireless NIC does establish a connection to the AP. They can't/won't even provide me the documentation on the configuration parameters on their built in wireless modem. I've escalated it to Tier 3 support and management and they just say Sorry!
I'm lost on where to go next. I suspect it is a hardware/driver issue although maybe it is a configuration parameter setting that is impacting the VPN traffic connection.
The Wireless enviroment is set up as infrastructure w/o WEP and works well.
Here are the device driver configuration settings/options on the Sony Wireless NIC:
Adhoc Demo: Disable/Enable
Authentication algorithm : Auto based on WEP/Must use shared with WEP/WECA compliant
Firmware Download: Disable/Enable
Fragmentation Threshold: 256-2432
Listen Interval: 0-77...
Power: Disable, Auto Enable, Always Enable
Preamble: Auto Tx Preamble, Long Tx Preamble, Short Tx Preamble
Transferring Crash file from standby: Login to the Active WLC in HA.
From CLI: (Cisco Controller) >transfer upload datatype crash (Cisco
Controller) >transfer upload filename (Cisco
Controller) >transfer upload mode tftp (Cisco Controller) >transfer
This is the start of a display filter cross reference between Wireshark
and OmniPeek. The 1st installment is a table of advanced filters. More
filters will be added as time allows. It is a living doc, so check back
for changes every so often Please feel f...