Re: Frame Relay Interface Configuration problem

From: Marko Milivojevic <markom_at_ipexpert.com>
Date: Wed, 11 Aug 2010 02:04:14 +0000

I agree with you. This is one badly worded question. :-)

--
Marko Milivojevic - CCIE #18427
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:: Sent from my phone. Apologies for errors and brevity. ::
On Aug 10, 2010, at 15:38, "Grammer, Christopher" <cgrammer_at_essilorusa.com> wrote:
> I always have a problem with interpreting this type of questions.
> 
> If the requirement states that all configuration must be on the physical
> interface, what is the difference between using a virtual template and a
> subinterface?
> Both a virtual template and subinterface are logical interface attached to
> the physical interface.
> 
> The requirement states: "All configurations should be done on the physical
> interface"
> 
> In the case of a PPP virtual template, all configuration is not on the
> physical interface...Some is on a virtual template
> The IP address for instance is NOT on the physical interface.
> 
> 
> Thanks in advance,
> 
> Chris
> 
> 
> 
> 
> On Tue, Aug 10, 2010 at 10:18 AM, Sonu Khandelwal (sokhande) <
> sokhande_at_cisco.com> wrote:
> 
>> Spot on!!!
>> 
>> Yes, ppp over frame-relay is the solution!!!
>> 
>> I just tried to simulate using following topology and it worked for me.
>> 
>> R2---R1---R3
>> 
>> 
>> Config from R1:
>> 
>> R1#sh run int virtual-tem 102
>> Building configuration...
>> 
>> Current configuration : 74 bytes
>> !
>> interface Virtual-Template102
>> ip address 20.10.13.1 255.255.255.0
>> end
>> 
>> R1#sh run int virtual-tem 103
>> Building configuration...
>> 
>> Current configuration : 74 bytes
>> !
>> interface Virtual-Template103
>> ip address 20.10.35.1 255.255.255.0
>> end
>> 
>> R1#sh run int se 6/0
>> Building configuration...
>> 
>> Current configuration : 181 bytes
>> !
>> interface Serial6/0
>> no ip address
>> encapsulation frame-relay
>> frame-relay interface-dlci 102 ppp Virtual-Template102
>> frame-relay interface-dlci 103 ppp Virtual-Template103
>> end
>> 
>> 
>> Config from R2:
>> 
>> R2#sh run int virtual-template 102
>> Building configuration...
>> 
>> Current configuration : 74 bytes
>> !
>> interface Virtual-Template102
>> ip address 20.10.13.2 255.255.255.0
>> end
>> 
>> R2#sh run int se 4/0
>> Building configuration...
>> 
>> Current configuration : 149 bytes
>> !
>> interface Serial4/0
>> no ip address
>> encapsulation frame-relay
>> serial restart-delay 0
>> frame-relay interface-dlci 201 ppp Virtual-Template102
>> 
>> Config from R3:
>> 
>> R3#sh run int virtual-te 103
>> Building configuration...
>> 
>> Current configuration : 74 bytes
>> !
>> interface Virtual-Template103
>> ip address 20.10.35.3 255.255.255.0
>> end
>> 
>> R3#sh run int se 4/0
>> Building configuration...
>> 
>> Current configuration : 125 bytes
>> !
>> interface Serial4/0
>> no ip address
>> encapsulation frame-relay
>> frame-relay interface-dlci 301 ppp Virtual-Template103
>> 
>> Verification:
>> 
>> R1#ping 20.10.13.2
>> 
>> Type escape sequence to abort.
>> Sending 5, 100-byte ICMP Echos to 20.10.13.2, timeout is 2 seconds:
>> !!!!!
>> Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms
>> R1#ping 20.10.35.3
>> 
>> Type escape sequence to abort.
>> Sending 5, 100-byte ICMP Echos to 20.10.35.3, timeout is 2 seconds:
>> !!!!!
>> Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms
>> R1#sh fram
>> R1#sh frame-re
>> R1#sh frame-relay pv
>> R1#sh frame-relay pvc 102 ?
>> 64-bit  show frame relay pvc 64bit counter statistics
>> |       Output modifiers
>> <cr>
>> 
>> R1#sh frame-relay pvc 102
>> 
>> PVC Statistics for interface Serial6/0 (Frame Relay DTE)
>> 
>> DLCI = 102, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE =
>> Serial6/0
>> 
>> input pkts 19            output pkts 99           in bytes 2332
>> out bytes 2064           dropped pkts 0           in pkts dropped 0
>> 
>> out pkts dropped 0                out bytes dropped 0
>> in FECN pkts 0           in BECN pkts 0           out FECN pkts 0
>> 
>> out BECN pkts 0          in DE pkts 0             out DE pkts 0
>> 
>> out bcast pkts 0         out bcast bytes 0
>> 5 minute input rate 0 bits/sec, 0 packets/sec
>> 5 minute output rate 0 bits/sec, 0 packets/sec
>> pvc create time 00:14:52, last time pvc status changed 00:01:34
>> Bound to Virtual-Access2 (up, cloned from Virtual-Template102)
>> R1#sh frame-relay pvc 103
>> 
>> PVC Statistics for interface Serial6/0 (Frame Relay DTE)
>> 
>> DLCI = 103, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE =
>> Serial6/0
>> 
>> input pkts 15            output pkts 118          in bytes 240
>> out bytes 2996           dropped pkts 0           in pkts dropped 0
>> 
>> out pkts dropped 0                out bytes dropped 0
>> in FECN pkts 0           in BECN pkts 0           out FECN pkts 0
>> 
>> out BECN pkts 0          in DE pkts 0             out DE pkts 0
>> 
>> out bcast pkts 0         out bcast bytes 0
>> 5 minute input rate 0 bits/sec, 0 packets/sec
>> 5 minute output rate 0 bits/sec, 0 packets/sec
>> pvc create time 00:10:07, last time pvc status changed 00:10:07
>> Bound to Virtual-Access3 (up, cloned from Virtual-Template103)
>> R1#
>> 
>> 
>> Thanks,
>> Sonu
>> 
>> 
>> 
>> 
>> 
>> -----Original Message-----
>> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
>> Mohamed Ouamer
>> Sent: Tuesday, August 10, 2010 8:06 PM
>> To: Marcelo Rosa; ccielab_at_groupstudy.com
>> Subject: Re: Frame Relay Interface Configuration problem
>> 
>> Try to configure PPP over Frame Relay.
>> 
>> Hope this help!
>> 
>> Mohamed Ouamer
>> http://www.ciscocciebootcamp.com
>> 
>> 
>> 
>> 2010/8/10 Marcelo Rosa <MRosa_at_multirede.com.br>
>> 
>>> Sorry. Let me rephrase.
>>> 
>>> 2.1 - Frame Relay Hub&Spoke
>>> - Configure frame realy between R1, R3 and R5, using R3 as Hub
>>> - All configurations should be done on the physical interface
>>> - The connection between R1 and R3 must use the 20.10.13.0/24 network
>>> - The connection between R5 and R3 must use the 20.10.35.0/24 network
>>> - Do not use secondary ip addresses on R3
>>> 
>>> So, on R3 we have one interface, two IP addresses and two PCVs. I
>> cannot
>>> use
>>> neither secondary addresses nor subinterfaces.
>>> 
>>> Hope I clarified.
>>> 
>>> MR
>>> 
>>> De: masroor ali [mailto:masror.ali_at_gmail.com]
>>> Enviada em: terga-feira, 10 de agosto de 2010 11:09
>>> Para: Marcelo Rosa; Cisco certification
>>> Assunto: Re: Frame Relay Interface Configuration problem
>>> 
>>> i could not understand your question bro,
>>> On Tue, Aug 10, 2010 at 6:47 PM, Marcelo Rosa
>>> <MRosa_at_multirede.com.br<mailto:MRosa_at_multirede.com.br>> wrote:
>>> The question states:
>>> Configure FR between R1, R3 and R5
>>> PVCs are as follow: R1-R3 (103-301) and R3-R5 (305-503)
>>> 
>>> Link between R1 and R3 should use network 20.10.13.0/24<
>>> http://20.10.13.0/24>
>>> Link between R5 and R3 should use network 20.10.35.0/24<
>>> http://20.10.35.0/24>
>>> 
>>> Configuration only in the Physical interfaces. No secondary ip
>> addresses
>>> allowed.
>>> 
>>> I4m stuck. As far as I know there4s no way to solve this. Am I wrong?
>>> 
>>> Thks,
>>> 
>>> MR
>>> 
>>> 
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>>> 
>>> 
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>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> --
>>> Regards,
>>> Masroor Ali
>>> 
>>> 
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>>> 
>>> 
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> 
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Received on Wed Aug 11 2010 - 02:04:14 ART

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