Chapter 3 Installing the Router
Configuration Changes
•Protocols to be configured
To obtain this information, consult your network administrator. For additional interface configuration information for the RP and each of the line cards installed in your router, refer to the configuration note that shipped with each card.
GRP Ethernet Interfaces
The
The following configuration dialog example shows the system being configured for an Ethernet interface that will use the IP network layer protocol. (The Ethernet interface does not support external routing functions.) The IP address and subnet mask value below are examples. The actual IP address and subnet mask value would be different.
Configuring interface Ethernet0:
Is this interface in use?: yes
Configure IP on this interface?: yes
IP address for this interface: 3.3.1.1
Number of bits in subnet field: 8
Class A network is 3.0.0.0, 8 subnet bits; mask is 255.888.0.0
Configure CLNS on this interface?: yes
PRP Ethernet Interfaces
The IEEE 802.3 Ethernet interfaces on the PRP allow connections to external Ethernet networks and can transmit data rates of 10 Mbps and 100 Mbps. The transmission speed of the Ethernet ports is
Caution The Ethernet ports are primarily used as Telnet ports into the router, or for booting or accessing Cisco IOS software images over a network to which an Ethernet port is directly connected. Cisco Express Forwarding (CEF) functions are switched off by default for security reasons. Cisco strongly cautions you to consider the security implications of switching on CEF routing functions on these ports.
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