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Configuring a NIC Proxy for NIC Replication (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:
- nic-proxy-configuration name nic-host-selection {
- groups groups;
- selection-criteria (roundRobin | randomPick | priorityList);
- }
- 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:
- From configuration mode, access the configuration statement
that specifies the NIC proxy configuration.
- [edit]
- user@host# component-hierarchy nic-proxy-configuration name nic-host-selection
For example:
- [edit]
- user@host# edit shared sae configuration nic-proxy-configuration
ip nic-host-selection
- Specify the list of groups of NIC hosts that the NIC proxy
can contact for resolution requests. Use commas to separate the group
names.
- [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]
- If you configure more than one group, specify the selection
criteria that the NIC proxy uses to determine which NIC host to contact.
- [edit shared sae configuration nic-proxy-configuration
ip nic-host-selection]
- user@host# set selection-criteria (roundRobin | randomPick | priorityList)
where:
- roundRobin—NIC proxy selects NIC hosts in a fixed,
cyclic order. The NIC proxy always selects the next host in the list.
- randomPick—NIC proxy selects NIC hosts randomly
from the list.
- priorityList—NIC proxy selects NIC hosts according
to their assigned priorities in the list. If the host with the highest
priority in the list is not available, the NIC proxy tries the host
with the next-highest priority, and so on.
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.
- Access the configuration statement that specifies the
NIC proxy configuration for blacklisting—the process of handling
nonresponsive NIC hosts.
- [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]
- Specify whether or not the NIC proxy should contact the
next specified NIC host if a NIC host is determined to be unavailable.
- [edit shared sae configuration nic-proxy-configuration
ip nic-host-selection blacklisting]
- user@host# set try-next-system-on-error
- (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.
- [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
- (Optional) Change the interval at which the NIC proxy
attempts to connect to an unavailable NIC host. The default is 15
seconds.
- [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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