Re: FIB or LFIB ?

Because the ingress LSR will receive the packet unlabeled and need to push
a label onto the stack.

In other words, the FIB has label information so a packet that is
unlabeled may be labeled.

Paul Borghese

> If the LSR will use LFIB to forward label packets then why does FIB
> have label information ?
>
> Thanks
> Aamir
>
> On 4/11/10, jack daniels <jckdaniels12_at_gmail.com> wrote:
>> if your input packet to MPLS router is Labled packet it will use LFIB
>> if your input packet to MPLS router is IP packet it will use FIB
>>
>> On Sun, Apr 11, 2010 at 6:03 PM, Aamir Aziz <aamiraz77_at_gmail.com> wrote:
>>
>>> Dear *,
>>>
>>> I have a basic MPLS question. A LSR uses FIB or LFIB to forward packets
>>> ?
>>>
>>> Thanks
>>> Aamir
>>>
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>
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Received on Mon Apr 12 2010 - 16:01:06 ART