Chelsio T5 Installation And User Manual page 35

Chapter 5. Software/Driver Configuration and Fine-tuning
Auth_CHAP_Policy
The
be performed if CHAP is used. The default setting of
On an iSCSI node, with

Auth_CHAP_Policy=Oneway
a) no CHAP
b) CHAP Oneway or
c) CHAP Mutual

Auth_CHAP_Policy=Mutual
a) no CHAP or
b) CHAP Mutual
With AuthMethod=None
target will only accept a relevant initiator if it does no CHAP.
AuthMethod=CHAP
With
i. Auth_CHAP_Policy=Oneway
a) CHAP Oneway or
b) CHAP Mutual
Auth_CHAP_Policy=Mutual
ii.
a) CHAP Mutual
5.5.6. Discovery Session CHAP
CHAP authentication is also supported for the discovery sessions where an initiator queries of
all available targets.
Discovery session CHAP is configured through the global section in the configuration file. List of
keys to provision discovery CHAP are:

DISC_AuthMethod: None or CHAP.

DISC_Auth_CHAP_Policy: Oneway or Mutual (i.e., two-way) authentication.

DISC_Auth_CHAP_Target: target CHAP user id and secret

DISC_Auth_CHAP_Initiator: initiator CHAP user id and secret.
Chelsio T5 iSCSI PDU Offload Target with SCST support for Linux
key controls which CHAP authentication (one-way or mutual) needs to
AuthMethod=None,CHAP
, Chelsio iSCSI target will accept a relevant initiator if it does
, the Chelsio iSCSI target will accept a relevant initiator if it does
, regardless the setting of the key Auth_CHAP_Policy, the Chelsio iSCSI
, CHAP is enforced on the target:
, the iSCSI target will accept a relevant initiator only if it does
, the iSCSI node will accept a relevant initiator only if it does
Auth_CHAP_Policy
is
Oneway
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