How to resolve issue with Cisco VPN client and wireless connection (wired works) Print
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Thursday, 29 June 2006

There seems to be an issue with Broadcom wireless NICs and the Cisco VPN client (only Broadcom WiFi NICs have been confirmed, unsure about other vendors).

Symptom:

You are able to authenticate, build an encrypted tunnel, and pull an IP address, however, you cannot access any network resources, ping any devices, etc.

Vendors that seem to be affected:

Dell, HP, Apple (recently confirmed), Broadcom, Cisco. There may be others but these have been confirmed at this point. Any vendor that uses a Broadcom WiFi network card seems to be affected when using the Cisco VPN client. The Cisco clients that have been confirmed to exhibit the issue are 4.6.x, 4.7.x and 4.8.x. It is believed that Cisco knows of the issue and is working on a fix.

Resolution:

This is a workaround until a fix is issued but seems to work. In the device properties of the Broadcom NIC, disable "VLAN Priority Support"


(in XP for example: Right-click My Computer > select Properties option > click Hardware tab > select Device Manager button > expand Network Adapters entry > right-click Broadcom xxxx Wireless NIC > select Properties option > click Advanced tab and find the VLAN Priority Support option and disable it)

 

Feel free to leave a comment or to discuss the topic in our forum ... 

 

 

No. 1 :
I suspected such since after 10 minutes - my wireless network disappears from my hp pavilion laptop (which has a broadcom network adaptor).

The only to resolve it is to entirely remove Cisco VPN from my laptop. What a pain when I want to jump onto the work network for a short bit

Thanks.
12.227.174.88
Submitted by Anonymous • 2007-02-08 20:21:57
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