Reference Guide

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• The only configuration applicable to half duplex ports is rx off tx off. The following error is
returned:
Cannot configure flowcontrol when half duplex is configure, config ignored
• Half duplex cannot be configured when the flow control configuration is on (default is rx on tx
on
). The following error is returned:
Cannot configure half duplex when flowcontrol is on, config ignored
Example
Figure 14-6. show running config (partial) Command Example
Table 14-1 lists how FTOS negotiates the flow control values between two Dell Force10 chassis
connected back-to-back using 10G copper ports.
Note: The flow control must be off (rx off tx off) before configuring the half duplex.
FTOS(conf-if-tengig-0/1)#show config
!
interface TenGigabitEthernet 0/1
no ip address
switchport
no negotiation auto
flowcontrol rx off tx on
no shutdown
...
Table 14-1. Negotiated Flow Control Values
Configured Negotiated
LocRxConf LocTxConf RemoteRxConf RemoteTxConf LocNegRx LocNegTx RemNegRx RemNegTx
off off off
off
on
on
off
on
off
on
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off on off
off
on
on
off
on
off
on
off
off
off
off
off
off
on
off
off
off
on
off
off
off
off
off
on off off
off
on
on
off
on
off
on
off
on
on
on
off
off
on
on
off
off
on
on
off
on
on
on
on on off
off
on
on
off
on
off
on
off
off
on
on
off
off
on
on
off
off
on
on
off
off
on
on