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Ask the Expert: Demystifying Unified Computing System (UCS) Interfaces for troubleshooting

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Ask your questions following the Live webcast, March 17, 2015 ending March 25th

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Ever wonder what VFC, VETH, VIF and HIF are in UCS and which path your packets are taking?   UCS infrastructure has several virtual components and this makes it challenging to troubleshoot but it is critical to understand. In this Webcast, Niles will discuss UCS interfaces and how packets travels from the UCS server. This includes what happens when a packet leaves a server from the vnic until it traverses the Fabric interconnect.  Once you understand the data path, you will be able to troubleshoot the Unified Computing System

Niles Pyelshak is a Customer Support Engineer for Cisco TAC works in Server Virtualization Team. She has several years of networking and virtualization experience. She recently passed her CCIE Certification in Data Center (#44608). As a Network Engineer, Niles was accustomed to getting on the command line interface (CLI) to configure and build her network. In server virtualization it is a little different. She is always amazed at how servers are mostly managed by Graphical User Interface(GUI) interfaces and CLI.  One can not underestimate the power of both interfaces and in this Webcast, Niles will leverage both GUI and CLI to demonstrate the UCS life of a packet.

Find other  https://supportforums.cisco.com/expert-corner/knowledge-sharing.

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3 Comments
Advisor

Hi,

 

we have got UCS C240M3 platform.Can we have LAN redundancy on this platform like the way we used to have NIC teaming on MCS servers in case if one LAN cable /switch port goes faulty, other NIC port works.

 

regds,

aman

Beginner

HI!

1000V:

i need manage port-profile DATA_uplink, add new or remove vlan (eg 170, 333).

 

show config port-profile DATA_uplink :

.

.

port-profile type ethernet DATA_uplink
  vmware port-group
  switchport mode trunk
  switchport trunk allowed vlan 100,103,150-151,161,170,333
  mtu 9000
  no shutdown
  system vlan 100,103,150-151,161,170
  description "DATA_UPLINK"
  state enabled


AST-N1K(config-port-prof)# no switchport trunk allowed vlan 100,103,150-151,161,170,333
ERROR: This config blocked for system vlan profiles. Remove system vlans and retry
AST-N1K(config-port-prof)# no system vlan 100,103,150-151,161,170
This will remove all system vlans from this port profile. Do you really want to proceed(yes/no)? [yes] y
ERROR: Cannot remove system vlans, port-profile currently in use by interface Eth3/2
AST-N1K(config-port-prof)#
AST-N1K(config-port-prof)#
AST-N1K(config-port-prof)# switchport trunk allowed vlan 100,103,150-151,161
ERROR: This config blocked for system vlan profiles. Remove system vlans and retry
AST-N1K(config-port-prof)# system vlan 100,103,150-151,161
ERROR: Cannot remove system vlans, port-profile currently in use by interface Eth3/2
AST-N1K(config-port-prof)#

 

Beginner

q2:

how configure and use spare blade(backup)!?

(B250)
 

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