[PDF] Cisco Router Basic Configuration Reference





Previous PDF Next PDF



Basic Router Configuration

Exits line configuration mode and returns to privileged EXEC mode. Command. Purpose. Page 7. 11. Cisco 800M Series Integrated Services Routers 



Basic Router Configuration - Cisco

• Configuring Command-Line Access to the Router. A configuration example is In the following configuration example the static route sends out all IP packets ...



Cisco IOS Configuration Fundamentals Command Reference

Command Default. The FTP source address is the IP address of the interface that the FTP packets use to leave the router. Command Modes. Global configuration ( 





Create a Simple Network Using Packet Tracer - Cisco Community

Here type the name “HomeNetwork” as shown in the figure. Configure the Internet connection on the wireless router. Click on the Setup tab in the wireless 



Command-Line Interface (CLI) Basics

“Command Line Interfaces” in the Catalyst 6500 Series Switch Cisco IOS Software Configuration everything inside the router



Using the Command Line Interface

The Catalyst 3560 switch is supported by Cisco IOS software. This chapter describes how to use the switch command-line interface (CLI) to configure software 



ip route commands - Cisco

This command was introduced. 3.5.1. Example. The following example shows how to route packets for the network 209.165.201.2 to a router at. 209.165.202.3: nfvis 



Configuring Local Authentication

This procedure configures the router to require an enable password and an enable secret password using. Cisco IOS commands. Purpose. Cisco CPT Configuration 



Basic Router Configuration

Cisco 800M Series Integrated Services Routers Software Configuration Guide. Chapter Basic Router Configuration. Configuring Command-Line Access.



Cisco IOS Configuration Fundamentals Command Reference

Using the Command-Line Interface in Cisco IOS Software xxxiii Command Reference. Cisco Packet Data Serving Node (PDSN) a wireless gateway that.



Basic Router Configuration – Cisco

global parameter settings routing protocols



Cisco Router Basic Configuration Reference

Basic Global Configuration. Command example. Description enable. Enter Privileged Exec mode configure terminal. Enter configuration mode no <command>.



Configuring Local Authentication

NTP-J102 Configure Local Authentication Using Cisco IOS Commands page 1 Router(config-if)# aaa authentication login default local. Router(config)# line ...



LAB MANUAL for Computer Network

Performing an Initial Router Configuration Configuring a Cisco Router as a DHCP Server ... Apparatus (Software): Command Prompt And Packet Tracer.



Configuring Layer 3 Interfaces - Catalyst 4500 Series Switch Cisco

Configuring Logical Layer 3 VLAN Interfaces page 23-3 Layer 3



Configuring a Simple Firewall - Cisco

The Cisco 1800 integrated services routers support network traffic filtering by means of access lists. The router also supports packet inspection and 



Cisco 3900 Series 2900 Series

https://www.cisco.com/c/en/us/td/docs/routers/access/1900/software/configuration/guide/Software_Configuration.pdf



Rebooting a Router

Refer to the Cisco IOS Configuration Fundamentals Command Reference for examples of these commands. You can also use the o command (the confreg command for some 

Cisco Router Basic Configuration Reference

Basic Global Configuration

Command exampleDescription

enable

Enter Privileged Exec mode

configure terminal

Enter configuration mode

no

Negate or remove a command

hostname rtr1

Set router name

ip domain-name

Assign a default DNS domain

ip name-server 8.8.8.8 8.8.4.4

Assign a list of DNS servers

no ip-domain lookup

Or Disable DNS entirely (your choice)

service password-encryption

Encrypt system passwords

enable secret Set password to enter privileged exec (enable) mode user password Create user and set its password (different from enable) line vty 0 4

Configure first 5 virtual terminals

transport input ssh

Use SSH, disable telnet

login authentication default Enable password checking and use the default authentication list transport preferred none

Don't interpret bad commands as hostnames

crypto key generate rsa modulus 2048

Create a 2048-bit RSA key for SSH encryption

ip ssh time-out 120 Specify timeout interval for SSH connections in seconds ip ssh authentication-retries 3

Limit number of authentication retries to 3

ip ssh version 2

Only support version 2 of the SSH protocol

no ip http server

Disable HTTP interface

access-list 99 permit 10.10.0.0

0.0.0.255

Only allow hosts in 10.10.0.0/24. Must be applied somewhere else end or CTRL-Z

Leave configuration mode

ipv6 unicast-routing write memory

Save configuration to non-volatile RAM

show running-config

Show current operating configuration

show startup-config

Show config that is saved in non-volatile RAM

Interface Configuration

Command exampleDescription

interface FastEthernet0/0

Select an interface to configure

description Local Network

Provide a description for this interface

ip address 10.2.3.4 255.255.255.0

Configure IPv4 address and subnet mask

ip access-group Apply access-list to traffic going into/out of this interface no ip proxy-arp

Disable Proxy ARP

no ip redirects

Disable sending ICMP redirects on this interface

no ip directed-broadcast Disable translation of directed broadcast to physical broadcast ipv6 enable

Enable IPv6 on this interface

ipv6 address 2001:DB8::A::1/64

Configure IPv6 address

no shutdown

Activate this interface

exit

Exit interface configuration section

end

Exit configuration mode

show running interface Fast0/0

Verify interface configuration

Network Startup Resource Center - www.nsrc.org v1.0

Access Control (AAA)

Command exampleDescription

aaa new-model

Enable new access control commands and functions

aaa authentication enable default enable Allow access to privileged mode by providing enable password aaa authentication login default local group radius

Use local first, then RADIUS authentication

radius-server host 10.0.0.6

Add RADIUS server address

radius-server key MyLongSecretKey

Add RADIUS server key for encryption

Network Management

Command exampleDescription

ntp server pool.ntp.org Specify server to synchronize with using Network Time Protocol clock timezone Select your time zone, e.g. "EST" for Eastern Standard Time show clock

Verify time and date

show ntp status

Verify that clock is synchronized

snmp-server community NetManage RO 99

Set SNMP community and apply access list 99

snmp-server contact Configure contact information to be retrieved via SNMP snmp-server locaction Building A Configure location of router to be retrieved via SNMP snmp-server trap link ietf

Send SNMP traps regarding link up/down events

snmp-server enable traps envmon fan shutdown supply temperature status

Send traps for various important events

snmp-server host 10.0.0.5 version 2c

NetManage

Send SNMP version 2c traps to server using community

NetManage

cdp run

Enable Cisco Discovery Protocol

show cdp neighbors

Show neighbor devices discovered via CDP

lldp run Enable Link Layer Discovery Protocol (IEEE standard) show lldp neighbors

Show neighbor devices discovered via LLDP

logging buffered 16384 debugging

Specify buffer size and logging level

logging facility local3

Use local3 as the logging (Syslog) channel

logging trap debug

Set syslog server logging level

logging 10.0.0.5

IP address of the logging host

no logging console

Do not send logging information to console

Operation and Troubleshooting

Command exampleDescription

show ip/ipv6 interface brief Show list of interfaces with IPv4/v6 addresses and their status show interface Fast0/0

Show interface status and counters

show version

Show IOS version and other system details

show processes cpu

Show running processes and their CPU utilization

show log

Show contents of logging buffer

show ip arp

Show contents of ARP table

show ipv6 neighbors

Show IPv6 neighbor table (equivalent to ARP)

show ip route [A.B.C.D] Show IPv4 routing table, with optional network or host address show ipv6 route [X:X:X:X::X/<0-128>]

Show IPv6 routing table, with optional prefix

show environment

Display environmental status

show inventory Show inventory of physical components (line cards, etc.) Network Startup Resource Center - www.nsrc.org v1.0quotesdbs_dbs5.pdfusesText_9
[PDF] cisco packet tracer sample projects

[PDF] cisco packet tracer slideshare

[PDF] cisco packet tracer student lab manual

[PDF] cisco packet tracer tutorial for beginners pdf

[PDF] cisco packet tracer tutorial for beginners ppt

[PDF] cisco partner id

[PDF] cisco partner locator

[PDF] cisco partner program

[PDF] cisco partner ranking

[PDF] cisco partner types

[PDF] cisco password decrypt type 15

[PDF] cisco password encryption algorithm

[PDF] cisco password encryption type 4

[PDF] cisco password encryption type 5

[PDF] cisco password encryption type 6