[c-nsp] Can Ping Websites but cannot browse.

Giuseppe Spano prospanogi at gmail.com
Mon Nov 2 11:51:26 EST 2009


Bharath,

try to ping the site you cannot browse with increasing icmp payloads and see
if/when you stop receiving echo replies.
This could give a final idea about the nature of the problem.

Regards,

Giuseppe



On Mon, Nov 2, 2009 at 5:29 PM, Scott Granados <gsgranados at comcast.net>wrote:

> I second that.  I've seen this as an MTU problem more times than not.
>
> ----- Original Message ----- From: "Phil Mayers" <p.mayers at imperial.ac.uk>
> To: "Alexander Clouter" <alex at digriz.org.uk>
> Cc: <cisco-nsp at puck.nether.net>
> Sent: Monday, November 02, 2009 7:37 AM
> Subject: Re: [c-nsp] Can Ping Websites but cannot browse.
>
>
>
>  Alexander Clouter wrote:
>>
>>> Phil Mayers <p.mayers at imperial.ac.uk> wrote:
>>>
>>>> bharath kondi wrote:
>>>>
>>>>> I have a strange situation, I can browse the websites but cannot browse
>>>>> them.
>>>>>
>>>> Check for MTU issues
>>>>
>>>>  It is a pretty impressive to screw up non-SSLed traffic with an MTU
>>> issue, I would be more inclinded to think it's something else.
>>>
>>
>> That directly contradicts my experience. I have observed widespread
>> failures with ordinary HTTP traffic when MTU problems occur.
>>
>> It depends very much on the website you're hitting and their architecture,
>> as well as the nature of the MTU problem.
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>
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