Speed And Duplex Mode - Cisco Nexus 6000 Series Configuration Manual

Speed and Duplex Mode

• The Cisco Nexus B22 Fabric Extender for IBM (NB22IBM) has 14 1G/10-Gigabit Ethernet host

Speed and Duplex Mode

The table listed below shows the autonegotiation matrix for N2K-C2348TQ-10GE and N2K-C2332TQ-10GE
fabric extenders.
Configuration
N2K-C2348TQ-10GE
and
N2K-C2332TQ-10GE
HIF (Speed/Duplex
AUTO
100 Mbps, Full
duplex (force mode)
100 Mbps, Full
duplex (force mode)
100 Mbps, Full
duplex (force mode)
AUTO
AUTO
Cisco Nexus 6000 Series NX-OS Layer 2 Switching Configuration Guide, Release 7.x
162
interfaces. All host interfaces use all of the available fabric interfaces.
Configuration NIC
(Speed/Duplex)
AUTO
100 Mbps, Full
duplex
100 Mbps, Half
duplex
AUTO
100 Mbps, Full
duplex
100 Mbps, Half
duplex
Resulting HIF status Resulting NIC status
(Speed/Duplex) (Speed/Duplex)
Table for 100 Mbps
UP, 100 Mbps, Full UP, 100 Mbps, Full
duplex duplex
UP, 100 Mbps, Full UP, 100 Mbps, Full
duplex duplex
UP, 100 Mbps, Full UP, 100 Mbps, Half
duplex duplex
UP, 100 Mbps, Full UP, 100 Mbps, Half
duplex Duplex
DOWN DOWN
DOWN DOWN
Table for 1G (1000 Mbps)
Configuring the Fabric Extender
Comments
Assuming
maximum capability
of NIC is 100 Mbps,
Full duplex
Link DOWN in
some scenarios.
1
Duplex mismatch as
per standard; results
in collision errors.
Hence, not a
functional scenario.
Duplex mismatch as
per standard; results
in collision errors.
Hence, not a
functional scenario.
(Link will be
DOWN if NIC is
not 100 Mbps, Half
Duplex capable)
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