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Dell EMC SmartFabric OS10 User Guide Release 10.5.0

NPIV Proxy Gateway cascading

OS10 supports connecting two switches as NPIV Proxy Gateways (NPIVs) between Converged Network Adapters (CNAs) or Fibre Channel Host Bus Adapters (FC HBAs) and FCoE Forwarder (FCF) switches.

In the following figure, NPG1 and NPG2 connect to each other which provide FCoE and FC services for CNA1 and FC HBA1, and the FCF1 switch.

NPIV Proxy Gateway cascading

NPG1 switch configuration

  1. Enable the NPG feature.

    OS10(config)# feature fc npg
  2. Configure vFabric.

    OS10(config)# vfabric 2
    OS10(conf‐vfabric‐2)# vlan 1000
    OS10(conf‐vfabric‐2)# name fcoe_fabric
    OS10(conf‐vfabric‐2)# fcoe fcmap 0efc02
  3. Apply the vFabric configuration on the interface that connects to FC HBA and change the port mode to F_Port.

    OS10(config)# interface fibrechannel 1/1/21
    OS10(conf‐if‐fc1/1/21)# vfabric 2
    
  4. Apply the vFabric configuration on the interface that connects to CNA 1.

    OS10(config)# interface ethernet 1/1/50
    OS10(conf‐if‐eth1/1/50)# vfabric 2
  5. Enable DCBX globally.

    OS10(config)# dcbx enable
  6. Create a class map and policy map.

    OS10(config)# class‐map type network‐qos cmap1
    OS10(config‐cmap‐nqos)# match qos‐group 3
    OS10(config)# policy‐map type network‐qos pmap1
    OS10(config‐pmap‐network‐qos)# class cmap1
    OS10(config‐pmap‐c‐nqos)# pause
    OS10(config‐pmap‐c‐nqos)# pfc‐cos 3
  7. Disable LLFC on the interface that connects to CNA 1.

    OS10(config)# interface ethernet 1/1/50
    OS10(conf‐if‐eth1/1/50)# no flowcontrol receive
  8. Enable the PFC mode on the interface that connects to CNA 1.

    OS10(config)# interface ethernet 1/1/50
    OS10(conf‐if‐eth1/1/50)# priority‐flow‐control mode on
  9. Apply the service policy on the interface that connects to CNA 1.

    OS10(config)# interface ethernet 1/1/50
    OS10(conf‐if‐eth1/1/50)# service‐policy input type network‐qos pmap1
  10. Configure the interface that connects to NPG2.

    OS10(config)# interface fibrechannel 1/1/5
    OS10(config-if‐fc1/1/5)# vfabric 2

NPG2 switch configuration

  1. Enable the NPG feature.

    OS10(config)# feature fc npg
  2. Configure vFabric.

    OS10(config)# vfabric 2
    OS10(conf‐vfabric‐2)# vlan 1000
    OS10(conf‐vfabric‐2)# name fcoe_fabric
    OS10(conf‐vfabric‐2)# fcoe fcmap 0efc02
  3. Apply the vFabric configuration on the interface that connects to the NPG1 switch. Change port mode to F_Port.

    OS10(config)# interface fibrechannel 1/1/5
    OS10(conf‐if‐fc1/1/21)# vfabric 2
    OS10(conf‐if‐fc1/1/21)# fc port‐mode f
  4. Apply the vFabric configuration on the interface that connect to CNA 2.

    OS10(config)# interface ethernet 1/1/1
    OS10(conf‐if‐eth1/1/1)# vfabric 2
  5. Enable DCBX globally.

    OS10(config)# dcbx enable
  6. Create a class map and policy map.

    OS10(config)# class‐map type network‐qos cmap1
    OS10(config‐cmap‐nqos)# match qos‐group 3
    OS10(config)# policy‐map type network‐qos pmap1
    OS10(config‐pmap‐network‐qos)# class cmap1
    OS10(config‐pmap‐c‐nqos)# pause
    OS10(config‐pmap‐c‐nqos)# pfc‐cos 3
  7. Disable LLFC on the interface that connects to CNA 2.

    OS10(config)# interface ethernet 1/1/1
    OS10(conf‐if‐eth1/1/1)# no flowcontrol receive
  8. Enable PFC mode on the interface that connects to CNA 2.

    OS10(config)# interface ethernet 1/1/1
    OS10(conf‐if‐eth1/1/1)# priority‐flow‐control mode on
  9. Apply the service policy on the interface that connects to CNA 2.

    OS10(config)# interface ethernet 1/1/1
    OS10(conf‐if‐eth1/1/1)# service‐policy input type network‐qos pmap1
  10. Configure the interface that connects to FCF.

    OS10(config)# interface fibrechannel 1/1/21
    OS10(config-if‐fc1/1/21)# vfabric 2

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