RE: Dynagen Interface Issue

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Tony Schaffran
Sr. Network Consultant
CCIE #11071
CCNP, CCNA, CCDA,
NNCDS, NNCSS, CNE, MCSE

-----Original Message-----
From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
Myung-Soo Ko
Sent: Friday, October 14, 2011 1:59 AM
To: HEMANTH RAJ
Cc: Cisco certification
Subject: Re: Dynagen Interface Issue

Hello, Hemanth

Thank you for your reply. Well, I know what exactly the error message means.
I even manually added arp mapping, so it still deosn't work.
So, I wonder whether this is a known dynagen/gns3 issue or not. If so, can
anyone help me with a possible solution.

Regards,
Myung-Soo

On Fri, Oct 14, 2011 at 4:57 PM, HEMANTH RAJ <hemanthrj_at_gmail.com> wrote:

> Hi Myung,
>
> Encapsulation failed states that there is no appropriate L2 mapping done
> for that particular destination or next hop to reach that destination.
> So check ur arp table or frame mapping table .for the next hop mapping or
> the destination mapping.
>
> Regards
> Hemanth Raj
> CCIE#28593 (R&S)
>
> On Fri, Oct 14, 2011 at 1:02 PM, Myung-Soo Ko <bacchus21_at_gmail.com> wrote:
>
>> Hello, GS
>> I build a Dynagen based virtual lab but I'm currently having a very
>> strange
>> interface related issue.
>>
>> R1(8.8.3.1) - SW1(8.8.3.3)
>>
>> From R1, I'm not able to ping to any other interfaces, so I captured
debug
>> ip packet msg, and it says "encapsulation failed". I copied .net file as
>> well as IOS file from another PC, but there was no issues on another PC.
>>
>> Is it a known dynagen bug? I'm not sure what's causing this problem. Does
>> anyone have a clue?
>> Please advise me. I really appreciate.
>>
>> Regards,
>> Myung-Soo
>>
>>
>>
----------------------------------------------------------------------------
----------------------------------------------------------------
>> R1#ping 8.8.3.3
>> Type escape sequence to abort.
>> Sending 5, 100-byte ICMP Echos to 8.8.3.3, timeout is 2 seconds:
>> *Mar 1 01:26:03.499: IP: tableid=0, s=8.8.3.1 (local), d=8.8.3.3
>> (FastEthernet0/0), routed via RIB
>> *Mar 1 01:26:03.503: IP: s=8.8.3.1 (local), d=8.8.3.3 (FastEthernet0/0),
>> len 100, sending
>> *Mar 1 01:26:03.507: IP: s=8.8.3.1 (local), d=8.8.3.3 (FastEthernet0/0),
>> len 100, encapsulation failed.
>> *Mar 1 01:26:05.499: IP: tableid=0, s=8.8.3.1 (local), d=8.8.3.3
>> (FastEthernet0/0), routed via RIB
>> *Mar 1 01:26:05.503: IP: s=8.8.3.1 (local), d=8.8.3.3 (FastEthernet0/0),
>> len 100, sending
>> *Mar 1 01:26:05.507: IP: s=8.8.3.1 (local), d=8.8.3.3 (FastEthernet0/0),
>> len 100, encapsulation failed.
>> *Mar 1 01:26:07.499: IP: tableid=0, s=8.8.3.1 (local), d=8.8.3.3
>> (FastEthernet0/0), routed via RIB
>> *Mar 1 01:26:07.503: IP: s=8.8.3.1 (local), d=8.8.3.3 (FastEthernet0/0),
>> len 100, sending
>> *Mar 1 01:26:07.507: IP: s=8.8.3.1 (local), d=8.8.3.3 (FastEthernet0/0),
>> len 100, encapsulation failed.
>> *Mar 1 01:26:09.499: IP: tableid=0, s=8.8.3.1 (local), d=8.8.3.3
>> (FastEthernet0/0), routed via RIB
>> *Mar 1 01:26:09.503: IP: s=8.8.3.1 (local), d=8.8.3.3 (FastEthernet0/0),
>> len 100, sending
>> *Mar 1 01:26:09.507: IP: s=8.8.3.1 (local), d=8.8.3.3 (FastEthernet0/0),
>> len 100, encapsulation failed.
>> *Mar 1 01:26:11.499: IP: tableid=0, s=8.8.3.1 (local), d=8.8.3.3
>> (FastEthernet0/0), routed via RIB
>> *Mar 1 01:26:11.503: IP: s=8.8.3.1 (local), d=8.8.3.3 (FastEthernet0/0),
>> len 100, sending
>> *Mar 1 01:26:11.507: IP: s=8.8.3.1 (local), d=8.8.3.3 (FastEthernet0/0),
>> len 100, encapsulation failed.
>> Success rate is 0 percent (0/5)
>> R1#
>>
>>
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>
>
> --
> Problems arise because we talk,problems are not solved because we don't
> talk So good or bad talk to your affectionate one's freely.
>
> Yours Friendly,
> H P HEMANTH RAJ
> CCIE#28593 (R&S)
> Cisco Systems

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Received on Fri Oct 14 2011 - 04:25:22 ART