Re: PPP encap with no ip unnumbered

Am not sure why it works , but I think the "*type serial*" at the end of
virtual-template1 must be doing the trick !

Somebody who is a Dial technology Guru can enlighten what "type serial" does
and why it works correctly in my setup.

-Naveen.

On Sun, Apr 12, 2009 at 10:52 PM, Radioactive Frog <pbhatkoti_at_gmail.com>wrote:

> hi Naveen,
> Your serial 0/1 does not have any reference to any sub-interface. therefore
> serial0/1 won't have a clue of who the hell interface virtual-template1 is.
>
>
> interface virtual-template1 type serial
> ip address 155.1.45.4 255.255.255.0
> encapsulation ppp
> !
> interface serial0/1
> no ip address
> encapsulation ppp
>
>
>
> In other lab solution there is a reference "ppp multiplink group1" which
> refers serial0/1 linked to "interface multilink1"
> if there were 2 serial interface and you had to create 2 links then second
> interface on the same router it would be serial0/2 = pppp multilink-group2'
> then linked to interface multilink 2
>
> interface serial0/1
> encapsulation ppp
> ppp multilink group 1
>
>
> Frog
>
>
>
> On Mon, Apr 13, 2009 at 2:26 PM, Naveen <navin.ms_at_gmail.com> wrote:
>
>> Group,
>>
>> I had the following Q in one of the mock lab.
>>
>> *R4--s0/1-------------------- s0/1--R5*
>>
>> 1. Configure PPP on serial connection b/n R4 and R5
>> 2. Do not apply IP address directly to R4's interface S0/1.
>> 3. Do not use "ip unnumbered" to accomplish this task.
>>
>> *My solution was -*
>>
>> R4:
>> interface virtual-template1 type serial
>> ip address 155.1.45.4 255.255.255.0
>> encapsulation ppp
>> !
>> interface serial0/1
>> no ip address
>> encapsulation ppp
>>
>> R5:
>> interface s0/1
>> ip address 155.1.45.5 255.255.255.0
>> encapsulation ppp
>>
>>
>> *The Mock Lab solution was -*
>>
>> R4:
>> interface multilink 1
>> ip address 155.1.45.4 255.255.255.0
>> encapsulation ppp
>> !
>> interface serial0/1
>> encapsulation ppp
>> ppp multilink group 1
>>
>> R5:
>> interface multilink 1
>> ip address 155.1.45.5 255.255.255.0
>> encapsulation ppp
>> !
>> interface serial0/1
>> encapsulation ppp
>> ppp multilink group 1
>>
>> Whatz wrong with my solution ? It worked fine and I had no issues running
>> RIP and BGP on that link.
>>
>> Regards,
>> Naveen.
>>
>>
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Received on Sun Apr 12 2009 - 23:13:40 ART