Re: IP unnumbered question

Please clearify more

IPCP adding a route for 1.1.1.2 : or you can also acheive this by
adding a static route

*Mar 1 00:28:17.527: Se1/0 IPCP: I CONFREQ [REQsent] id 1 len 10
*Mar 1 00:28:17.527: Se1/0 IPCP: Address 1.1.1.2 (0x030601010102)
*Mar 1 00:28:17.531: Se1/0 IPCP: O CONFACK [REQsent] id 1 len 10
*Mar 1 00:28:17.531: Se1/0 IPCP: Address 1.1.1.2 (0x030601010102)
*Mar 1 00:28:17.531: Se1/0 CDPCP: I CONFREQ [REQsent] id 1 len
*Mar 1 00:28:17.535: Se1/0 CDPCP: O CONFACK [REQsent] id 1 len 4
*Mar 1 00:28:17.543: Se1/0 CDPCP: I CONFACK [ACKsent] id 1 len 4
*Mar 1 00:28:17.547: Se1/0 CDPCP: State is Open
*Mar 1 00:28:17.547: Se1/0 IPCP: I CONFACK [ACKsent] id 1 len 10
*Mar 1 00:28:17.547: Se1/0 IPCP: Address 1.1.1.4 (0x030601010104)
*Mar 1 00:28:17.547: Se1/0 IPCP: State is Open
*Mar 1 00:28:17.559: Se1/0 IPCP: Install route to 1.1.1.2

Regards,
Anser

On Wed, Jan 27, 2010 at 9:11 PM, Satinder Singh <satinder.iitd_at_gmail.com> wrote:
> Hi Jamal
>
> PPP encap support the exchange IP addresses (IPCP) so with PPP encap you are
> able to ping. But with HDLC there is no negotiation of IP address so we are
> not aware about the other end address which is in the different subent so
> not able to ping.
>
> Thnaks
> Satinder
>
> On Wed, Jan 27, 2010 at 11:31 PM, Naufal Jamal <naufalccie_at_yahoo.in> wrote:
>
>> I got a small question over ip unnumberd.
>> I have two simple routers connected thru s0/0 interfaces
>> on one router i have configured the interfaces as below
>> 1)Does ipunnumbered has got to do with the encapsulation of the poin to
>> point
>> link.why is it not working with the default enc HDLC? when I give enc ppp
>> on
>> both the interfaces the ping works fine between the routers else it
>> doesnt...
>> Pls clarify...
>>
>> R0#sh run int s0/0
>>
>> Building configuration...
>> Current configuration : 76 bytes
>> !
>> interface Serial0/0
>> ip unnumbered Loopback0
>> serial restart_delay 0
>> end
>> R0#sh run int lo0
>> Building configuration...
>> Current configuration : 61 bytes
>> !
>> interface Loopback0
>> ip address 1.1.1.4 255.255.255.0
>> end
>> ======
>> R1#sh run int s0/0
>> Building configuration...
>> Current configuration : 85 bytes
>> !
>> interface Serial0/0
>> ip address 1.1.1.2 255.255.255.0
>> serial restart_delay 0
>> end
>> ======
>>
>>
>>
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Received on Wed Jan 27 2010 - 22:01:03 ART