Cisco Systems WSC2960X48TDL Manuale Utente Pagina 33

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Default SettingFeature
Disabled on all Ethernet ports.EtherChannel (PAgP)
Disabled (not blocked).Port blocking (unknown multicast and unknown
unicast traffic)
Disabled.Broadcast, multicast, and unicast storm control
Disabled.Protected port
Disabled.Port security
Disabled.Port Fast
Enabled.
The switch might not support a pre-standard
powered devicesuch as Cisco IP phones
and access points that do not fully support
IEEE 802.3afif that powered device is
connected to the switch through a crossover
cable. This is regardless of whether
auto-MIDX is enabled on the switch port.
Note
Auto-MDIX
Enabled (auto).Power over Ethernet (PoE)
Disabled on SFP module ports; enabled on all other
ports.
Keepalive messages
Interface Speed and Duplex Mode
Ethernet interfaces on the switch operate at 10, 100, or 1000 Mb/s and in either full- or half-duplex mode. In
full-duplex mode, two stations can send and receive traffic at the same time. Normally, 10-Mb/s ports operate
in half-duplex mode, which means that stations can either receive or send traffic.
Switch models include Gigabit Ethernet (10/100/1000-Mb/s) ports and small form-factor pluggable (SFP)
module slots supporting SFP modules.
Speed and Duplex Configuration Guidelines
When configuring an interface speed and duplex mode, note these guidelines:
Gigabit Ethernet (10/100/1000-Mb/s) ports support all speed options and all duplex options (auto, half,
and full). However, Gigabit Ethernet ports operating at 1000 Mb/s do not support half-duplex mode.
For SFP module ports, the speed and duplex CLI options change depending on the SFP module type:
Catalyst 2960-X Switch Interface and Hardware Component Configuration Guide, Cisco IOS Release 15.0(2)EX
OL-29034-01 21
Configuring Interface Characteristics
Interface Speed and Duplex Mode
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