[c-nsp] Cisco 6880 - EVC/MPLS Limitations

2014-07-28 Thread Chris Jones
Hi All,

Trying to clarify some limitations surrounding the 6880X platform, in terms of 
its support for MPLS and EVC.  Specifically, the combination of the two of them.

>From looking at the latest configuration guide (SUP2T/15.1SY) - 
>http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/15-1SY/config_guide/sup2T/15_1_sy_swcg_2T/ethernet_virtual_connection.html#pgfId-1081503
> - it initially looks as though EVC is reasonably well supported - until you 
>get to the paragraph around restrictions.  Specifically, what isn't supported 
>on EVCs seems to include EoMPLS, QinQ and Bridge Domain Routing.

In short - is it possible to terminate a pseudowire - or other MPLS L2 
machinery - into an EVC, either directly, or via a bridge-domain, on the 6880?


Regards,

Chris
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Re: [c-nsp] Cisco 7600 and 'show mfib' commands

2014-07-28 Thread Tony via cisco-nsp
Hi John,

Yes, mfib = multicast FIB.

Are the boxes in question running multicast ?  (hint: "show run | i multicast")

What were the previous tickets about (or opened for) ?

I'm not sure why they would be used for anything other than troubleshooting 
multicast traffic, it could be specific to a linecard if that was the problem 
encountered.


regards,
Tony.




 From: John Neiberger 
To: "cisco-nsp@puck.nether.net"  
Sent: Tuesday, 29 July 2014 2:47 AM
Subject: [c-nsp] Cisco 7600 and 'show mfib' commands
 

I'm at a new job and was looking at a few recent trouble tickets. I see
that TAC had them use variations of the 'show mfib' commands, like 'show
mfib linecard summary'. At my previous job, we had a few hundred 7600s but
I don't recall TAC ever directing us to use those commands. I took a peek
at them and it's not clear what I'm looking at.

When I see mfib, I assume multicast FIB. I can't really tell if that's what
I'm looking at or not, or the significance of the commands.

I wasn't able to find much good info about these commands on CCO. Do any of
you have any idea what these are really looking at? It seems that they
might be useful for troubleshooting linecard issues but I'm entirely
unfamiliar with them.
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[c-nsp] IOS XR - CBAC/ZBF or similar

2014-07-28 Thread Ivan
I have been unable to find CBAC/ZBF or similar on IOS XR.  I suspect 
these featires are not available but would be happy if someone could 
prove me wrong.


Thanks

Ivan
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Re: [c-nsp] cisco GGSN tethering

2014-07-28 Thread Łukasz Bromirski

On 28 Jul 2014, at 11:43, nareshbtech--- via cisco-nsp 
 wrote:

> So that means 
> We have to upgrade our hardware 
> Can't the SAMI modules provide this feature 

No. But talk to your favorite Cisco account team. They may be able to
have a talk with you on virtualized ASR 5k.

-- 
"There's no sense in being precise when |   Łukasz Bromirski
 you don't know what you're talking |  jid:lbromir...@jabber.org
 about."   John von Neumann |http://lukasz.bromirski.net


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[c-nsp] Cisco 7600 and 'show mfib' commands

2014-07-28 Thread John Neiberger
I'm at a new job and was looking at a few recent trouble tickets. I see
that TAC had them use variations of the 'show mfib' commands, like 'show
mfib linecard summary'. At my previous job, we had a few hundred 7600s but
I don't recall TAC ever directing us to use those commands. I took a peek
at them and it's not clear what I'm looking at.

When I see mfib, I assume multicast FIB. I can't really tell if that's what
I'm looking at or not, or the significance of the commands.

I wasn't able to find much good info about these commands on CCO. Do any of
you have any idea what these are really looking at? It seems that they
might be useful for troubleshooting linecard issues but I'm entirely
unfamiliar with them.
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Re: [c-nsp] 512K routes approaching - have you adjusted your tcam settings

2014-07-28 Thread Mack McBride
I forgot about that.
The tcam settings on the Sup2T are dynamic.

Mack McBride | Network Architect | ViaWest, Inc.
O: 720.891.2502 | mack.mcbr...@viawest.com | www.viawest.com | LinkedIn | 
Twitter | YouTube


-Original Message-
From: "Rolf Hanßen" [mailto:n...@rhanssen.de] 
Sent: Saturday, July 26, 2014 6:16 AM
To: Mack McBride
Cc: cisco-nsp
Subject: Re: [c-nsp] 512K routes approaching - have you adjusted your tcam 
settings

Hi Mack,

I am wondering about "including sup 2T"?
As far as I see Sup2T has no static CAM partition anymore and therefore needs 
no specific maximums set.

kind regards
Rolf

> As many readers on this list know the routing table is approaching 
> 512K routes.
> For some it has already passed this threshold.
> For those that aren't familiar with the issues associated with passing 
> this threshold, I suggest the following two documents:
>
> http://www.ipv4depletion.com/?p=672
>
> http://www.cisco.com/c/en/us/support/docs/switches/catalyst-6500-serie
> s-switches/117712-problemsolution-cat6500-00.html
>
> Effected devices include 6500s (including sup 2T), 7600s, nexus 7Ks 
> and many devices by other vendors.
> This problem will likely impact us in some way over the next month 
> even if we fixed our devices because We connect to other services that 
> have not prepared.
>
> So be on the lookout for MLSCEF-SP-7-FIB_EXCEPTION messages in your logs.
>
> Mack McBride | Network Architect | ViaWest, Inc.
>
>
>
>
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Re: [c-nsp] cisco GGSN tethering

2014-07-28 Thread nareshbtech--- via cisco-nsp

So that means 

We have to upgrade our hardware 

Can't the SAMI modules provide this feature 

Kind Regards 

Nareshchandra Paturi

Sent from iPhone. 

> On 25 Jul 2014, at 19:02, Fernando García  wrote:
> 
> Yep, take a look at the ASR5000. They are not the ASR you would expect 
> 
> Enviado desde mi smartphone Sony Xperia™
> 
> Gert Doering  wrote:
> 
>> Hi,
>> 
>>> On Fri, Jul 25, 2014 at 05:05:59AM -0700, naresh reddy via cisco-nsp wrote:
>>> my company has a requirement to implement tethering detection on the GPRS 
>>> nodes
>>> we use GGSN release 6.0
>> 
>> Cisco is building GGSNs?  Cool, didn't know that.
>> 
>> gert
>> -- 
>> USENET is *not* the non-clickable part of WWW!
>>  //www.muc.de/~gert/
>> Gert Doering - Munich, Germany 
>> g...@greenie.muc.de
>> fax: +49-89-35655025
>> g...@net.informatik.tu-muenchen.de
>> 
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