[j-nsp] Ethernet OAM, specifically CFM

[Keegan Holley]

CFM wouldn't monitor a link with no MEP on the other end of it.  So you
can't have a router a switch and then a link from the switch to a customer
and monitor a link to a customer where the customer isn't running CFM on
their equipment.

2012/4/20 Humair Ali <humair.s.ali at gmail.com>

> Actually CFM would be appropriate with what Chip is trying to achieve,
>
> CFM monitor a maintenance session end to end and works a vlan or link
> level.
>
> Why not monitor Cust Rtr interface to MX1 accross the bridge network  via
> CFM and have an action profile assign to it ?
>
> or monitor Cust Rtr 1 to remote end Cust Rtr 2 CFM , since usually you
> would want to use CFM to guarantee a service.
>
>
> On 20 April 2012 18:20, Keegan Holley <keegan.holley at sungard.com> wrote:
>
>> CFM just performs a continuity check so I'm not sure it will help you
>> here.  In other words it just checks if the CFM instance on the switch can
>> talk to the CFM instance on the router.  If I understand your question
>> correctly you're trying to verify an access point leading to a customer
>> and
>> not your MX.  If there is only one access port per VLAN interface can you
>> move it down to the switch?
>>
>>
>> 2012/4/20 chip <chip.gwyn at gmail.com>
>>
>> > Hi folks,
>> >
>> >  I'm trying to figure out if I can create a
>> > connectivity-fault-management instance between a vlan sub interface on
>> > an MX and the access port in the same vlan on a down stream switch.
>> > Possibly this will help: http://imgur.com/MMrZm
>> >
>> > Ultimately my goal is to detect an outage on the access port and take
>> > down the layer-3 interface on the MX so I won't blackhole traffic.
>> > Since that interface won't go down if the access port on the
>> > downstream switch does.   Or maybe there's a better solution.  Either
>> > way, if someone has this setup and can supply some example configs I
>> > would be ever so grateful.  I can't quite seem to work it out.
>> >
>> > Thanks all!
>> >
>> > --chip
>> >
>> > --
>> > Just my $.02, your mileage may vary,  batteries not included, etc....
>> >
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>
>
>
> --
> Humair
>
>