[c-nsp] Nexus 7000

Justin Shore justin at justinshore.com
Tue Jan 29 15:43:00 EST 2008


Peter Lothberg wrote:
>> Ian Cox wrote:
>>> At 08:48 AM 1/29/2008 -0600, Justin Shore wrote:
>>>> Tim Stevenson wrote:
>>>>> At 10:18 PM 1/28/2008 -0600, mack observed:
>>>>>> No mention of MPLS though which gives the CRS-1 a leg up on the
>>>>>> backbone routing market.
>>>>> NO MPLS (though the h/w is capable). No immediate plans for it either.
>>>> This would be a show-stopper for us in our Data Center.  We have to have
>>>> MPLS support for MPLS VPN.
>>> Nexus 7000 supports VRFs for IPv4 and IPv6, so you can still use VRFs to 
>>> separate traffic between customers. You just do not have MPLS. You can 
>>> have VRFs supported without having MPLS.
>> Yes, if we're talking about VRF-Lite.  What about multichassis VRF 
>> support or VRFs in diverse geographic locations (ie data centers in 
>> different locations for DR purposes)?  Doesn't that require MPLS VPN 
>> support?  VRF-Lite is great but it's very limiting.  I can think of a 
>> whole host of situations where VRF-Lite just can't cut it.  Our DC is 
>> small but even in that environment I don't have a use for VRF-Lite.  I 
>> hate to think of what new scenarios the big DC players bring to the 
>> table that require MPLS VPN features.  Of course if you're that big you 
>> can afford to home-run your 7000s to 6509s to get the missing L3 
>> features.  That's not an option for us I'm afraid.
> 
> How about using IP?

Not an option for Microsoft clusters from what I've been told.  The 
cluster members have to be in the same broadcast domain requiring a L2 
connection between points.

Justin



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