BW requirements are determined by

100BASE-TX
100BASE-T2
100BASE-T4
100BASE-FX

1000BASE-CX
1000BASE-T

1000BASE-SX
*S

1000BASE-LX/LH
*L

1000BASE-ZX
*Z

Standard and difference in
10 GB Ethernet

PMD

Physical Media Dependent

LAN PHY

WAN PHY

Physical Media Dependent

10GBASE-SR/SW

10GBASE-LR/LW
*L

10GBASE-ER/EW
*E

10GBASE-LX4/LW4 (1310 nm
WWDM)

10GBASE-CX4

PHY type R
Phy type L

LX4/LW4

Explains Ethernet autonegotiation

Interface range MACRO

Explains how to configure the port speed

Explains how to configure the port duplex mode

Explains how to configure port error detection

Automatically Recover from Error Conditions

Explains how to verify the port state

Explains how to verify port speed and duplex mode

Covers CDP neighbor discovery

Switch1#show cdp neighbors
Switch1# show cdp neighbors gig1/0/22 detail

Enable/Disable CDP

LLDP

LLDP-MED TLV

LLDP default settings and verifying and show commands

Describes Power over Ethernet for Cisco IP phones

Lists IEEE 802.3af PoE device classes
(predetermined voltages)

Métodos PoE

PoE

PoE Power Classes

UPoE

Configuring PoE

AUTO keyword
(config poe)

STATIC keyword
(config poe)

MAX keyword
(config poe)

Verifying PoE