Enabling The Isns Server; Isns Configuration Distribution; Configuring The Esi Retry Count - Cisco AP776A - Nexus Converged Network Switch 5020 Configuration Manual
Cisco mds 9000 family cli configuration guide - release 4.x (ol-18084-01, february 2009)
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Chapter 43
Configuring iSCSI
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
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Enabling the iSNS Server
Before the iSNS server feature can be enabled, iSCSI must be enabled (see the
on page
enabled on a switch, every IPS port whose corresponding iSCSI interface is up is capable of servicing
iSNS registration and query requests from external iSNS clients.
To enable the iSNS server, follow these steps:
Command
Step 1
switch# config t
switch(config)#
Step 2
switch(config)# isns-server enable
switch(config)# no isns-server enable
Note
If you are using VRRP IPv4 addresses for discovering targets from iSNS clients, ensure that the IP
address is created using the secondary option (see the
page
iSNS Configuration Distribution
You can use the CFS infrastructure to distribute the iSCSI initiator configuration to iSNS servers across
the fabric. This allows the iSNS server running on any switch to provide a querying iSNS client a list of
iSCSI devices available anywhere on the fabric. For information on CFS, see
Infrastructure."
To enable iSNS configuration distribution using, follow these steps:
Command
Step 1
switch# config t
switch(config)#
Step 2
switch(config)# isns distribute
switch(config)# no isns distribute
Configuring the ESI Retry Count
The iSNS client registers information with its configured iSNS server using an iSNS profile. At
registration, the client can indicate an entity status inquiry (ESI) interval of 60 seconds or more. If the
client registers with an ESI interval set to zero (0), then the server does not monitor the client using ESI.
In such cases, the client's registrations remain valid until explicitly deregistered or the iSNS server
feature is disabled.
OL-18084-01, Cisco MDS NX-OS Release 4.x
Configuring the Registration Period, page 43-86
iSNS Client Registration and Deregistration, page 43-86
Target Discovery, page 43-86
Verifying the iSNS Server Configuration, page 43-87
43-4). When you disable iSCSI, iSNS is automatically disabled. When the iSNS server is
44-20).
Purpose
Enters configuration mode.
Enables the iSNS server.
Disables (default) the iSNS server.
"Adding Virtual Router IP Addresses" section on
Purpose
Enters configuration mode.
Uses the CFS infrastructure to distribute the iSCSI
virtual target configuration to all switches in the fabric.
Stops (default) the distribution of iSCSI virtual target
configuration to all switches in the fabric.
Cisco MDS 9000 Family CLI Configuration Guide
iSNS
"Enabling iSCSI" section
Chapter 7, "Using the CFS
43-85
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