[f-nsp] Redundant routes

Nick Gray ngray at cyberwurx.com
Tue Feb 7 16:50:32 EST 2012


Thanks for the input! I will not know for sure if this will work until
the client comes in later in the week.

Cheers!
-Nick

On Tue, Feb 7, 2012 at 3:17 PM, George B. <georgeb at gmail.com> wrote:
> The customer might have some kind of loop in their network and when
> you shut down one interface, it allowed the loop to clear.  I don't
> see anything wrong with your config but generally I like to use
> different vlans for things like that just to prevent layer2 loops
> though any of my stuff.
>
> What I do is put the ports in separate vlans that have only  that one
> port in them (yeah, I know that gets expensive if you have a lot of
> customer handoffs) and turn spanning tree off on the ports,
>
> On Tue, Feb 7, 2012 at 11:33 AM, Nick Gray <ngray at cyberwurx.com> wrote:
>> The hand off is Ethernet. Appears to be handing off to two netgear
>> smart switches linked together ( 'switch1' and 'switch2' ) on the
>> client's side. The client may not be using managed switches. Would
>> this change anything on my side?
>> Thanks for your help!
>>
>> -Nick
>>
>> On Tue, Feb 7, 2012 at 2:10 PM, George B. <georgeb at gmail.com> wrote:
>>> Well, is the circuit delivered over Ethernet?  They might have both
>>> ports plugged into a switch on their side that is doing something
>>> goofy.
>>>
>>>
>>>
>>> On Tue, Feb 7, 2012 at 11:07 AM, Nick Gray <ngray at cyberwurx.com> wrote:
>>>> 'vlan123' is independent on either router but I can change it if
>>>> necessary. I had a feeling the client's side was having issues which
>>>> is why I was thrown figuring this out. Unfortunately, I do not have
>>>> access to the config on their side.
>>>>
>>>> -Nick
>>>>
>>>> On Tue, Feb 7, 2012 at 1:52 PM, George B. <georgeb at gmail.com> wrote:
>>>>>> I had a sneaking feeling it wasn't that easy though. One of the router
>>>>>> interfaces had to be shut down before traffic properly forwarded to
>>>>>> and from the client.
>>>>>
>>>>> The client side might be borked.  Do you have any visibility into the
>>>>> config on their side?  I would also put the two connections on
>>>>> separate vlans if vlan123 spans both routers on your side.
>>>>>
>>>>> George



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