Re: Regarding FR Payload Compression

Correct. No keyword automatically compresses all packets actively. Passive
responds to neighbors that have it actively configured but does not try to
initiate compression with a neighbor.

On 6/10/09 1:03 AM, "Raghav Bhargava" <raghavbhargava12_at_gmail.com> wrote:

> I think from the link it says that if we don use any keyword it by default
> uses active
> ???
>
> On Tue, Jun 9, 2009 at 9:56 PM, ALL From_NJ <all.from.nj_at_gmail.com> wrote:
>
>> Good evening,
>>
>> I do not see active as an option ... active will be 'on/active' when you
>> configure the header compression. See link:
>>
>> http://www.cisco.com/en/US/docs/ios/wan/command/reference/wan_f1.html#wp10156
>> 14
>>
>> The command must be configured on both sides, you can not configure only
>> one side. One side active (configured for header compression) and the other
>> side is passive or configured for it. I seem to remember a reference to a
>> bug where the 'passive' option did not work. Passive really meant
>> 'on/active'. I do not know if this was fixed ...
>>
>> HTH,
>>
>> Andrew Lee Lissitz
>>
>>
>>
>> On Wed, Jun 10, 2009 at 12:45 AM, Raghav Bhargava <
>> raghavbhargava12_at_gmail.com> wrote:
>>
>>> Hi Experts,
>>> I have a doubt regarding FR payload compression technique. Here is the
>>> scenario:-
>>>
>>> R1--- FR (point-to-point) ---R2
>>>
>>> Now I have to configure TCP header compression for PVC from R1--- R2..
>>>
>>> Therefore the CLI on R1 is:-
>>>
>>> frame-relay ip tcp header-compression active.
>>>
>>> Now my questions are:-
>>>
>>> 1. When the question says compression should be from R1-R2. It means R1 is
>>> the source and R2 is the destination. Now if that is true , then this
>>> command " *frame-relay ip tcp header-compression active* " should go on R1
>>> .and *frame-relay ip tcp header-compression passive *should go on R2.
>>>
>>> Please advise if this is correct or not. Coz My Router R1 is not letting
>>> me
>>> use the keyword active . Below is the output for reference:-
>>>
>>> r1(config-subif)#frame-relay ip tcp header-compression acti
>>> r1(config-subif)#frame-relay ip tcp header-compression activ
>>> r1(config-subif)#frame-relay ip tcp header-compression ?
>>> passive Compress for destinations sending compressed headers
>>> <cr>
>>>
>>> --
>>> Warm Regards
>>> Raghav
>>>
>>>
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>>>
>>
>>
>> --
>> Andrew Lee Lissitz
>> all.from.nj_at_gmail.com
>>
>
>

Cheers,

Jared Scrivener CCIE3 #16983 (R&S, Security, SP), CISSP
Sr. Technical Instructor - IPexpert, Inc.
URL: http://www.IPexpert.com
Telephone: +1.810.326.1444
Fax: +1.810.454.0130
Mailto: jscrivener_at_ipexpert.com

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Received on Wed Jun 10 2009 - 05:02:42 ART