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Thread: Cisco VPN issue - strange

  1. #1
    myneogeek Guest

    Default Cisco VPN issue - strange

    My university uses Cisco VPN 5.00.02.0090. I have Windows Vista Home Premium on my laptop. During the summer session, I was able to connect and browse the internet (including campus web pages) at school, but now I can connect and authenticate with the VPN but I can not view any web pages if I am on campus unless I uninstall Zone Alarm first. If I connect to the External VPN while I am at home I have no problems. I cannot ping or tracert to any server either other than the local server I connect to if I am on campus.

    I am attaching a trace route with the VPN connected and with it disconnected from my home.

    VPN connected



    Tracing route to www.l.google.com [72.14.205.104]

    over a maximum of 30 hops:



    1 5 ms 3 ms 2 ms 192.168.1.1

    2 * 678 ms 725 ms 12.154.45.161.skytex.net [12.154.45.161]

    3 736 ms 497 ms 415 ms 10.1.7.33

    4 25 ms 24 ms 233 ms 10.1.7.1

    5 198 ms 112 ms 68 ms 12.119.145.113

    6 870 ms * 1058 ms tbr1.dlstx.ip.att.net [12.123.16.226]

    7 920 ms 306 ms 921 ms ggr3.dlstx.ip.att.net [12.122.86.205]

    8 1146 ms 763 ms 156 ms 192.205.35.222

    9 958 ms 616 ms 96 ms vlan69.csw1.dallas1.level3.net [4.68.19.62]

    10 107 ms 310 ms 420 ms ae-62-62.ebr2.dallas1.level3.net [4.69.136.137]

    11 307 ms 196 ms 305 ms ae-6.ebr3.newyork1.level3.net [4.69.137.122]

    12 794 ms 921 ms 920 ms ae-83-83.csw3.newyork1.level3.net [4.69.134.106]

    13 714 ms 730 ms 614 ms ae-3-89.edge1.newyork1.level3.net [4.68.16.142]

    14 442 ms 516 ms 314 ms google-inc.edge1.newyork1.level3.net [4.71.172.86]

    15 264 ms 199 ms 207 ms 216.239.43.146

    16 1119 ms 617 ms 620 ms 66.249.94.92

    17 1217 ms 615 ms 202 ms 72.14.232.66

    18 1023 ms 1129 ms 623 ms qb-in-f104.google.com [72.14.205.104]



    Trace complete.

    VPN Disconnected



    Tracing route to www.l.google.com [74.125.47.104]

    over a maximum of 30 hops:



    1 3 ms 3 ms 3 ms 192.168.1.1

    2 19 ms 14 ms 24 ms 12.154.45.161.skytex.net [12.154.45.161]

    3 32 ms 196 ms 28 ms 10.1.7.33

    4 55 ms 25 ms 24 ms 10.1.7.1

    5 31 ms 22 ms 193 ms 12.119.145.113

    6 227 ms 203 ms 102 ms tbr2.dlstx.ip.att.net [12.122.100.122]

    7 121 ms 200 ms 105 ms cr2.dlstx.ip.att.net [12.122.18.197]

    8 126 ms 203 ms 102 ms cr1.attga.ip.att.net [12.122.28.173]

    9 122 ms 95 ms 39 ms 12.123.22.5

    10 * * * Request timed out.

    11 241 ms 204 ms 101 ms 72.14.233.54

    12 229 ms 204 ms 204 ms 72.14.232.213

    13 129 ms 102 ms 204 ms 209.85.253.157

    14 131 ms 46 ms 262 ms yw-in-f104.google.com [74.125.47.104]



    Trace complete.

    I have tried shutting down ZoneAlarm, but it does not make a difference.

    What makes no sense to me is that the VPN works from home but not from school unless it is not tunnelling all traffic when I am at home.

    Does anyone have any ideas.

    Operating System:Windows Vista Home Premium
    Software Version:7.1 (Vista)
    Product Name:ZoneAlarm (Free)

  2. #2
    zaswing Guest

    Default Re: Cisco VPN issue - strange

    Very miscellaneous thoughts:
    1. Could be that at home you're useing "your" DNS servers, while on campus you need to go throgh their DNS servers?
    2. Once you've uninstalled ZA, there's a permanent problem in that when you install it, it comes in AFTER the CISCO VPN. In which case VPN will not work (but it kinda works for you, so I'm not too sure of the cause here). Bottom line is that Cisco VPN must be installed AFTER Zone Alarm. So when you uninstall ZA you may have to uninstall Cisco and start from scratch.
    3. I have trouble reading your tracert logs because it's not clear where your campus servers are.
    4. When you do VPN, ZA should have in the trusted zone list all the servers on campus you go through - the initial connection, DNS servers, any other servers you use.
    5. I'd set alerting in ZA to the highest level and watch them both on campus and at home and then compare what is being blocked.

  3. #3
    myneogeek Guest

    Default Re: Cisco VPN issue - strange

    I have tried uninstalling the Cisco VPN and reinstalling it after deleting the directory under program files, but it did not help, therefore I tried stopping ZA and it still made no difference. I tried uninstalling ZA just to see if it would make any difference. Both of the tracert listings are from my home. One is through the VPN, the other is not.

    I set every possible combination for the campus to be trusted because they seem to be 10.14 and 10.15 addresses by making 10.14.0.1 through 10.16.255.255 trusted, then I made the entire 10.0.0.1 through 10.255.255.255 range trusted. That did not help.

    The strange thing is that if I launch the VPN at home, everything works, which makes me wonder if everything is actually tunneled when I am at home or only when I am on campus.
    I will try uninstalling the VPN, then uninstalling ZA, reinstalling ZA, and reinstalling Cisco VPN tomorrow when I am on campus. I will let you know the results.

    Thanks for the suggestion.

    Jeff

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