RE: same subnet different vlans communication

It's ugly, but you could hairpin the VLAN. Configure one port on the switch
for VLAN 2 and the other for VLAN 3 and connect the two.

There are many reasons *not* to do this, but if it's a lab environment or a
temporary hack, it'll work.

-Jon

-----Original Message-----
From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
marco207p_at_gmail.com
Sent: Thursday, May 29, 2014 6:38 PM
To: marc edwards
Cc: Ryan West; JB Poplawski; John Sciarra; ccielab_at_groupstudy.com
Subject: Re: same subnet different vlans communication

Is this production or learning...?

Joe Sanchez

> On May 29, 2014, at 3:42 PM, marc edwards <renorider_at_gmail.com> wrote:
>
> Fa0/0 on router... Sorry
>
>> On Thursday, May 29, 2014, marc edwards <renorider_at_gmail.com> wrote:
>>
>> Sub interface and dot1Q tag on router fa1/1
>>
>> On Thursday, May 29, 2014, Ryan West <rwest_at_zyedge.com
>> <javascript:_e(%7B%7D,'cvml','rwest_at_zyedge.com');>> wrote:
>>
>>> Double nat ugliness is an option.
>>>
>>> Sent from handheld.
>>>
>>>>> On May 29, 2014, at 3:19 PM, "JB Poplawski"
>>>>> <jb.poplawski_at_gmail.com>
>>>> wrote:
>>>>
>>>> Not that I can see, perhaps I'm interpreting the question differently.
>>>> JB
>>>>
>>>>
>>>>> On Thu, May 29, 2014 at 11:50 AM, John Sciarra
>>>>> <jjsciarra_at_gmail.com>
>>> wrote:
>>>>>
>>>>> Hi Experts,
>>>>> In the follow scenario, R1 Fa0/0 directly connects to SW1 Fa1/1.
>>> Without
>>>>> changing Fa1/1 to access vlan 2,
>>>>> is there anyway to ping 10.10.2.1 from R1?
>>>>> Thanks,
>>>>> John
>>>>>
>>>>>
>>>>> SW1:
>>>>> interface vlan 2
>>>>> ip address 10.10.2.1 255.255.255.0 !
>>>>> interface FastEthernet1/1
>>>>> description ###R1 FastEthernet0/0 ### switchport mode access
>>>>> switchport access vlan 3 !
>>>>> R1:
>>>>> interface FastEthernet0/0
>>>>> ip address 10.10.2.2 255.255.255.0 !
>>>>> ip route 0.0.0.0 0.0.0.0 10.10.2.1 !
>>>>>
>>>>>
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>>
>> --
>> Marc Edwards
>> CCIE #38259
>
>
> --
> Marc Edwards
> CCIE #38259
>
>
> Blogs and organic groups at http://www.ccie.net
>
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Received on Sun Jun 01 2014 - 14:21:49 ART