Dell EMC SmartFabric OS10 User Guide Release 10.5.0

If the authenticator sends a Request Identity frame but the supplicant does not respond, the authenticator waits 30 seconds and then retransmits the frame. There are several reasons why the supplicant might fail to respond — the supplicant maybe booting when the request arrived, there may be a physical layer problem, and so on.

1. Configure the amount of time that the authenticator waits before retransmitting an EAP Request Identity frame in INTERFACE mode, from 1 to 65535 – 1 year, default 60.

   dot1x timeout tx-period seconds

2. Configure a maximum number of times the authenticator retransmits a Request Identity frame in INTERFACE mode from 1 to 10, default 2.

   dot1x max-req retry-count

Configure and verify retransmission time

OS10(config)# dot1x system-auth-control
OS10(config)# interface range ethernet 1/1/7-1/1/8
OS10(conf-range-eth1/1/7-1/1/8)# dot1x timeout tx-period 120
OS10(conf-range-eth1/1/7-1/1/8)# dot1x max-req 5
OS10(conf-range-eth1/1/7-1/1/8)# do show dot1x interface ethernet 1/1/7

802.1x information on ethernet1/1/7
-------------------------------------
Dot1x Status:             Enable
Port Control:             AUTO
Port Auth Status:         UNAUTHORIZED
Re-Authentication:        Enable
Tx Period:                120 seconds
Quiet Period:             60 seconds
Supplicant Timeout:       30 seconds
Server Timeout:           30 seconds
Re-Auth Interval:         3600 seconds
Max-EAP-Req:              5
Host Mode:                MULTI_HOST
Auth PAE State:           Initialize
Backend State:            Idle

View interface running configuration

OS10(conf-range-eth1/1/7-1/1/8)# do show running-configuration interface
...
!
interface ethernet1/1/7
 no shutdown
 dot1x max-req 5
 dot1x port-control auto
 dot1x re-authentication
 dot1x timeout quiet-period 120
 dot1x timeout tx-period 120
!
interface ethernet1/1/8
 no shutdown
 dot1x max-req 5
 dot1x port-control auto
 dot1x re-authentication
 dot1x timeout quiet-period 120
 dot1x timeout tx-period 120
...