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Configuring a NIC Proxy for NIC Replication with the SRC CLI

Typically, you configure NIC replication to keep the NIC highly available. You configure NIC host selection to specify the groups of NIC hosts to be contacted to resolve a request, and to define how the NIC proxy handles NIC hosts that the proxy is unable to contact. The configuration statements are available at the Advanced editing level.

Use the following configuration statements to configure NIC host selection for a NIC proxy:

shared sae configuration nic-proxy-configuration name nic-host-selection {
    groups groups;
    selection-criteria (roundRobin | randomPick | priorityList); 
}

shared sae configuration nic-proxy-configuration name nic-host-selection blacklisting {
    try-next-system-on-error; 
    number-of-retries-before-blacklisting number-of-retries-before-blacklisting; 
    blacklist-retry-interval blacklist-retry-interval; 
}

To configure a NIC proxy to use NIC replication:

  1. From configuration mode, access the configuration statement that specifies the NIC proxy configuration. For example:
  2. [edit]
    
    user@host# edit shared sae configuration nic-proxy-configuration ip 
    
    
    
  3. Specify the list of groups of NIC hosts that the NIC proxy can contact for resolution requests. Use commas to separate the group names.
  4. [edit shared sae configuration nic-proxy-configuration ip nic-host-selection]
    
    user@host# set groups groups 
    
    
    

For example

[edit shared sae configuration nic-proxy-configuration ip nic-host-selection]
user@host# set groups [group1 group2]

  1. If you configure more than one group, specify the selection criteria that the NIC proxy uses to determine which NIC host to contact.
  2. [edit shared sae configuration nic-proxy-configuration ip nic-host-selection]
    
    user@host# set selection-criteria (roundRobin | randomPick | priorityList)
    
    
    

where:

Priorities are defined by the order in which you specify the groups. You can change the order of NIC hosts in the list by using the insert command.

  1. Access the configuration statement that specifies the NIC proxy configuration for blacklisting—the process of handling nonresponsive NIC hosts.
  2. [edit shared sae configuration nic-proxy-configuration ip nic-host-selection]
    
    user@host# edit blacklisting 
    
    [edit shared sae configuration nic-proxy-configuration ip nic-host-selection 
    blacklisting]
    
    
    
  3. Specify whether or not the NIC proxy should contact the next specified NIC host if a NIC host is determined to be unavailable.
  4. [edit shared sae configuration nic-proxy-configuration ip nic-host-selection 
    blacklisting]
    
    user@host# set try-next-system-on-error
    
    
    
  5. (Optional) Change the number of times the NIC proxy tries to communicate with a NIC host before the NIC proxy stops communicating with the NIC host for a period of time. The default is 3.
  6. [edit shared sae configuration nic-proxy-configuration ip nic-host-selection 
    blacklisting]
    
    user@host# set number-of-retries-before-blacklisting 
    number-of-retries-before-blacklisting
    
    
    
  7. (Optional) Change the interval at which the NIC proxy attempts to connect to an unavailable NIC host. The default is 15 seconds.
  8. [edit shared sae configuration nic-proxy-configuration name nic-host-selection 
    blacklisting]
    
    user@host# set blacklist-retry-interval blacklist-retry-interval
    
    
    

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