Re: MPLS QoS

The recently removed label was on top of the existing label, so your first
paragraph and URL are correct, but your inference about the bottom label is
wrong.

On 6/9/09 5:18 AM, "NN Kumar" <nagendra.cisco_at_gmail.com> wrote:

> Hi All,
>
>
>
> In QoS for IP/MPLS network book, I read that, with Pipe mode the egress LSR
> will serves the packet according to LSP PHB and also mentioned that we need
> to disable Pen Ultimate Pop hopping on egress LSR. So with PHP disabled, we
> have 2 labels (assuming MPLS VPN) on packet that is received by egress LSR.
> These 2 labels may have different EXP value. Am I right assuming the egress
> LSR will decide the PHB based on top most label?.
>
>
>
> In the below mentioned URL, I read that, with Pipe mode the egress LSR will
> serve the packet according to PHB from EXP bits of recently removed label.
>
>
>
> http://www.cisco.com/en/US/tech/tk436/tk428/technologies_tech_note09186a008022
> ad7e.shtml#pipe
>
>
>
> This statement seems to imply that the PHB is based on bottom label.
>
>
>
> Can someone please clarify.
>
>
>
> Regards,
>
> Nagendra
>
>
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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 Tue Jun 09 2009 - 10:10:32 ART