6.0

Table Of Contents
Prerequisites
Required privilege: Host..Storage Partition 
Procedure
1 Click Storage in the VMware Host Client inventory, click Adapters, and click  iSCSI.
2 Click Advanced  to display the entire list of seings.
3 Edit the parameters that you want to change and click Save .
Set Up CHAP Authentication for an iSCSI Adapter in the VMware Host Client
You can set up all targets to receive the same CHAP name and secret from the iSCSI initiator at the initiator
level. By default, all discovery addresses or static targets inherit the CHAP parameters that you set up at the
initiator level.
The CHAP name must be fewer than 511 alphanumeric characters and the CHAP secret must be fewer than
255 alphanumeric characters. Some adapters, for example the QLogic adapter, might have lower limits, 255
for the CHAP name and 100 for the CHAP secret.
Prerequisites
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Before you set up CHAP parameters for software or dependent hardware iSCSI, determine whether to
congure one-way, also known as normal, or mutual CHAP. Independent hardware iSCSI adapters do
not support mutual CHAP.
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In one-way CHAP, the target authenticates the initiator.
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In mutual CHAP, both the target and the initiator authenticate each other. Use dierent secrets for
CHAP and mutual CHAP.
When you congure CHAP parameters, verify that they match the parameters on the storage side.
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Required privileges: Host..Storage Partition 
Procedure
1 Click Storage in the VMware Host Client inventory, click Adapters, and click  iSCSI.
2 To congure one-way CHAP, expand CHAP authentication to display all parameters.
a Select the CHAP security level.
b Enter the CHAP name.
Make sure that the name you enter matches the name congured on the storage side.
c Enter a one-way CHAP secret to use for authentication. Use the same secret that you enter on the
storage side.
3 To congure mutual CHAP, select Use CHAP as an option for one-way CHAP. Expand Mutual CHAP
authentication to display all parameters.
a Select Use CHAP.
b Enter the mutual CHAP name.
c Enter the mutual CHAP secret.
Use dierent secrets for the one-way CHAP and the mutual CHAP.
4 Click Save .
If you change the authentication seings for an iSCSI adapter, you only use the updated credentials for new
iSCSI sessions. Existing sessions persist until either the connection is lost due to some outside factor, such as
force re-authentication, or you remove and add the adapter iSCSI targets.
vSphere Single Host Management - VMware Host Client
102 VMware, Inc.