Re: [c-nsp] PBR Limits for Nexus 7k

2015-02-03 Thread Tim Stevenson

Hi Brian, please see inline below:

At 09:06 AM 2/3/2015  Tuesday, Brian Christopher Raaen quipped:

I was doing some research and found the Nexus listed a limit of 23 entries
for PBR.



This is a limit on number of PBR route-map sequences. Each sequence 
can have a match statement pointing to an ACL of arbitrary size.




 I have some situations that require source based routing for more
than that many pairings(more like 200-300).



This limitation would essentially restrict you to 23 unique sets of 
next-hops (ie, each sequence can set 1 or more next-hops) for each 
set of match criteria (ACL).


Let me know if you have any questions.

Thanks,
Tim



  Does this mean I will need to
look for a solution other than a Nexus 7k or am I misunderstanding what
this limit means?

The datasheet I found it here
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/verified_scalability/b_Cisco_Nexus_7000_Series_NX-OS_Verified_Scalability_Guide.html#reference_DF4FD746AB1145838991CE0BDE9DE621

--
Brian Christopher Raaen
Network Architect
Zcorum
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Tim Stevenson, tstev...@cisco.com
Routing  Switching CCIE #5561
Distinguished Engineer, Technical Marketing
Data Center Switching
Cisco - http://www.cisco.com
+1(408)526-6759


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Re: [c-nsp] PBR Limits for Nexus 7k

2015-02-03 Thread Tim Stevenson

At 10:17 AM 2/3/2015  Tuesday, Tim Stevenson quipped:

Hi Brian, please see inline below:

At 09:06 AM 2/3/2015  Tuesday, Brian Christopher Raaen quipped:

I was doing some research and found the Nexus listed a limit of 23 entries
for PBR.



This is a limit on number of PBR route-map sequences. Each sequence 
can have a match statement pointing to an ACL of arbitrary size.




 I have some situations that require source based routing for more
than that many pairings(more like 200-300).



This limitation would essentially restrict you to 23 unique sets of 
next-hops (ie, each sequence can set 1 or more next-hops) for each 
set of match criteria (ACL).



Let me clarify/reword that:

This limitation would essentially restrict you to 23 unique sets of 
next-hops (ie, each sequence can set 1 or more next-hops), each with 
its own set of match criteria (ACL).



Thanks,
Tim






Let me know if you have any questions.

Thanks,
Tim



  Does this mean I will need to
look for a solution other than a Nexus 7k or am I misunderstanding what
this limit means?

The datasheet I found it here
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/verified_scalability/b_Cisco_Nexus_7000_Series_NX-OS_Verified_Scalability_Guide.html#reference_DF4FD746AB1145838991CE0BDE9DE621

--
Brian Christopher Raaen
Network Architect
Zcorum
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Tim Stevenson, tstev...@cisco.com
Routing  Switching CCIE #5561
Distinguished Engineer, Technical Marketing
Data Center Switching
Cisco - http://www.cisco.com
+1(408)526-6759







Tim Stevenson, tstev...@cisco.com
Routing  Switching CCIE #5561
Distinguished Engineer, Technical Marketing
Data Center Switching
Cisco - http://www.cisco.com
+1(408)526-6759


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