Chapter 6 Configuring Backup Data Lines and Remote Management

Configuring Dial Backup and Remote Management Through the Console Port

 

Command

Purpose

Step 15

 

 

modem enable

Switches the port from console to auxiliary port

 

Example:

function.

 

 

 

Router(config-line)# modem enable

 

 

Router(config-line)#

 

Step 16

 

 

exit

Exits the configure interface mode.

 

Example:

 

 

Router(config-line)# exit

 

 

Router(config)#

 

Step 17

 

 

line [aux console tty vty]

Enters configuration mode for the auxiliary

 

line-number [ending-line-number]

interface.

 

Example:

 

 

Router(config)# line aux 0

 

 

Router(config)#

 

Step 18

 

 

flowcontrol {none software [lock] [in

Enables hardware signal flow control.

 

out] hardware [in out]}

 

 

Example:

 

 

Router(config)# flowcontrol hardware

 

 

Router(config)#

 

 

 

 

Example

The following configuration example specifies an IP address for the interface through PPP and IPCP address negotiation and dial backup over the console port:

!

ip name-server 192.168.28.12

ip dhcp excluded-address 192.168.1.1

!

ip dhcp pool 1 import all

network 192.168.1.0 255.255.255.0 default-router 192.168.1.1

!

! Need to use your own correct ISP phone number. modemcap entry MY-USER_MODEM:MSC=&F1S0=1

chat-script Dialout ABORT ERROR ABORT BUSY ““ “AT” OK “ATDT 5555102\T” TIMEOUT 45 CONNECT \c

!

!

!

!

interface vlan 1

 

 

ip address 192.168.1.1 255.255.255.0

 

 

ip nat inside

 

 

ip tcp adjust-mss 1452

 

 

hold-queue 100 out

 

 

!

 

 

 

 

 

Cisco 819 Series Integrated Services Routers Software Configuration Guide

 

 

 

 

 

 

 

 

 

 

 

 

OL-23590-02

 

 

6-13

 

 

 

 

 

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Cisco Systems C819HG4GVK9 Switches the port from console to auxiliary port, Function, Exits the configure interface mode