Cisco 2800 Series User Manual

6
Basic Software Configuration Using the Setup Command Facility
OL-5992-01
Examples of Using the Setup Command Facility to Configure Interface Parameters
Gigabit Ethernet Interface Configuration
The following is a brief example of configuring a Gigabit Ethernet interface by using the setup command
facility:
Note The Gigabit Ethernet interface is not supported on Cisco 1841, Cisco 2801, or Cisco 2811 routers.
Configuring interface GigabitEthernet0/0:
Configure IP on this interface? [yes]:
IP address for this interface [192.168.200.215]: 1.0.0.1
Subnet mask for this interface [255.255.255.0] : 255.0.0.0
Class A network is 1.0.0.0, 8 subnet bits; mask is /8
Note On Cisco 3800 series routers, the port gig 0/0 supports both the small form-factor pluggable Gigabit
Ethernet Interface Converter (SFP GBIC) and RJ-45 media types. The port gig 0/1 supports only RJ-45.
To select between SFP or RJ-45 for port gig 0/0, use the media-type command. More details follow in
the “Selecting the Port for the Gigabit Ethernet Interface” section on page 6.
The following are two examples of configurations for the Gigabit Ethernet (GE) interface. The first
example shows a sample configuration for RJ-45 mode, applicable to either port gig 0/0 or port gig 0/1:
interface GigabitEthernet0/0
ip address 1.3.153.13 255.0.0.0
duplex auto
speed auto
media-type RJ-45
SFP mode (on Cisco 3800 seriers routers only) is available only on port gig 0/0:
interface GigabitEthernet0/0
ip address 1.3.153.13 255.0.0.0
duplex auto
speed auto
media-type sfp
Selecting the Port for the Gigabit Ethernet Interface
The SFP port is supported for the GE port 0 only. GE port 1 supports only RJ-45 (or copper mode)
operation.
To select SFP type for GE port 0, use the following commands from the command-line interface (CLI):
router(config)# int gigabitEthernet 0/0
router(config-if)# media-type sfp
GigabitEthernet0/0: Changing media to SFP.
Note The SFP port can only be set to 1000-Mbps or automatic speed. Duplex can be set to full-duplex or
automatic mode. Half-duplex communication is not supported.

Cisco 2800 Series Specifications

General

Power Supply	Internal power supply
Product Type	Router
Form Factor	Rack-mountable
Connectivity Technology	Wired
Power Device	Internal power supply
Operating System	Cisco IOS
Integrated Services	Security, voice
WAN Interfaces	T1/E1, Serial
LAN Interfaces	Fast Ethernet, Gigabit Ethernet
Expansion Slots	4
Data Link Protocol	Ethernet, Fast Ethernet, Gigabit Ethernet
Network/Transport Protocol	IP, TCP
Remote Management Protocol	SNMP, Telnet
Features	VPN support, Quality of Service (QoS), VLAN support
Voltage Required	AC 100-240 V
Security Features	Firewall, VPN, Access Control Lists (ACLs)