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Vlans

Amr Hafez
Beginner
Beginner

Hi All

I wanna a clear and simple explanation for the following

vlan port count optimization

port vlan membership 

I see many explanation at cisco.com but could not understand

 http://www.cisco.com/c/en/us/td/docs/unified_computing/ucs/sw/gui/config/guide/2-1/b_UCSM_GUI_Configuration_Guide_2_1/b_UCSM_GUI_Configuration_Guide_2_1_chapter_010001.html#concept_4BA5803EA5134951BAB8C42025832137

1 Accepted Solution

Accepted Solutions

Walter Dey
Advocate
Advocate

Hi Amr

•Enable higher scale in logical ports (also called P,V ports)
•Important for customers with:
•ESX DVS or Nexus 1kV
•Multi-tenant – Service Provider/Enterprise
•High # of Servers with high # of VLAN – GET/Enterprise/Commercial/SLED
 
•Optimizes (P,V) to increase supported limit
•Increase Scale from 32K to up to 64K* on the Fabric Interconnect 6248/6296
 
•Example
•5 clusters of 32 ESX hosts (160 hosts total)
•Each ESX host has 4 static vNICs (2 per fabric)
•Each cluster has 150 VLANs that do not overlap across clusters
•Each vNIC carries 150 VLANs
•Number of VIFs: 160 x 4 = 640
•8 Ethernet border ports carrying all the VLANs
•Number of VLANS: 5 x 150 = 750
•PV count = 160 x 2 x 150 + 8 * 750 = 54,000

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1 Reply 1

Walter Dey
Advocate
Advocate

Hi Amr

•Enable higher scale in logical ports (also called P,V ports)
•Important for customers with:
•ESX DVS or Nexus 1kV
•Multi-tenant – Service Provider/Enterprise
•High # of Servers with high # of VLAN – GET/Enterprise/Commercial/SLED
 
•Optimizes (P,V) to increase supported limit
•Increase Scale from 32K to up to 64K* on the Fabric Interconnect 6248/6296
 
•Example
•5 clusters of 32 ESX hosts (160 hosts total)
•Each ESX host has 4 static vNICs (2 per fabric)
•Each cluster has 150 VLANs that do not overlap across clusters
•Each vNIC carries 150 VLANs
•Number of VIFs: 160 x 4 = 640
•8 Ethernet border ports carrying all the VLANs
•Number of VLANS: 5 x 150 = 750
•PV count = 160 x 2 x 150 + 8 * 750 = 54,000
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