Configurazione Router Cisco per HDSL e Backup isdn

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  • Impostare un programma di comunicazione seriale a 9600 N 8 1
  • Collegare il router con il cavo Cisco alla seriale ed aprire il collegamento
  • Inserire la password
  • Entrare in modo configurazione, utilizando l'apposita password con il comando
enable
  • Cancellare la configurazione esistente:
lmrouter01#erase startup-config
Erasing the nvram filesystem will remove all files! Continue? [confirm]
*Mar  1 01:53:27.167: %SYS-7-NV_BLOCK_INIT: Initialized the geometry of nvram
  • Riavviare il router:
lmrouter01#reload
Proceed with reload? [confirm]
*Mar  1 01:54:37.115: %SYS-5-RELOAD: Reload requested by console.
Il router si riavvia:
System Bootstrap, Version 12.2(1r)XE1, RELEASE SOFTWARE (fc1)
TAC Support: http://www.cisco.com/cgi-bin/ibld/view.pl?i=support
Copyright (c) 2001 by cisco Systems, Inc.
C1700 platform with 131072 Kbytes of main memory

program load complete, entry point: 0x80008000, size: 0x918b7c
Self decompressing the image : ################################################]

              Restricted Rights Legend

Use, duplication, or disclosure by the Government is
subject to restrictions as set forth in subparagraph
(c) of the Commercial Computer Software - Restricted
Rights clause at FAR sec. 52.227-19 and subparagraph
(c) (1) (ii) of the Rights in Technical Data and Computer
Software clause at DFARS sec. 252.227-7013.

           cisco Systems, Inc.
           170 West Tasman Drive
           San Jose, California 95134-1706



Cisco Internetwork Operating System Software
IOS (tm) C1700 Software (C1700-SV8Y-M), Version 12.2(11)T7,  RELEASE SOFTWARE ()
TAC Support: http://www.cisco.com/tac
Copyright (c) 1986-2003 by cisco Systems, Inc.
Compiled Fri 28-Feb-03 12:27 by dchih
Image text-base: 0x80008124, data-base: 0x81136984

cisco 1751 (MPC860P) processor (revision 0x300) with 117965K/13107K bytes of me.
Processor board ID FOC073123ZL (1457091729), with hardware revision 0000
MPC860P processor: part number 5, mask 2
Bridging software.
X.25 software, Version 3.0.0.
Basic Rate ISDN software, Version 1.1.
1 FastEthernet/IEEE 802.3 interface(s)
2 Serial(sync/async) network interface(s)
1 ISDN Basic Rate interface(s)
32K bytes of non-volatile configuration memory.
32768K bytes of processor board System flash (Read/Write)
Al termone inizia il menù diconfigurazione:


         --- System Configuration Dialog ---

Would you like to enter the initial configuration dialog? [yes/no]:yes
  • Si configura ora il management del router:
At any point you may enter a question mark '?' for help.
Use ctrl-c to abort configuration dialog at any prompt.
Default settings are in square brackets '[]'.

Basic management setup configures only enough connectivity
for management of the system, extended setup will ask you
to configure each interface on the system

Would you like to enter basic management setup? [yes/no]: yes
  • Impostare il nome del router:
Configuring global parameters:

  Enter host name [Router]: lmrouter01

Impostare il secret per l'enable: 

  The enable secret is a password used to protect access to
  privileged EXEC and configuration modes. This password, after
  entered, becomes encrypted in the configuration.
  Enter enable secret: ciscosecret

Impostare la password di enable: 

  The enable password is used when you do not specify an
  enable secret password, with some older software versions, and
  some boot images.
  Enter enable password: ciscoenable

Impostare la password per il collegamento in terminale: 

  The virtual terminal password is used to protect
  access to the router over a network interface.
  Enter virtual terminal password: ciscoterminal

Non impostare la configurazione snmp: 

Configure SNMP Network Management? [yes]: no

Ora viene mostrata la schermata di summary per la configurazione delle interfacce installate: 

Interface                  IP-Address      OK? Method Status                Prol
FastEthernet0/0            unassigned      NO  unset  up                    up
Serial0/0                  unassigned      NO  unset  up                    dow
Serial0/1                  unassigned      NO  unset  down                  dow
BRI1/0                     unassigned      NO  unset  up                    dow
BRI1/0:1                   unassigned      YES unset  down                  dow
BRI1/0:2                   unassigned      YES unset  down                  dow

Configuriamo ora l'interfaccia di managemente: 

Enter interface name used to connect to the
management network from the above interface summary: FastEthernet0/0

Configuring interface FastEthernet0/0:
  Use the 100 Base-TX (RJ-45) connector? [yes]:
  Operate in full-duplex mode? [no]: y
  Configure IP on this interface? [yes]: y
    IP address for this interface: 192.168.1.17
    Subnet mask for this interface [255.255.255.0] :
    Class C network is 192.168.1.0, 24 subnet bits; mask is /24

Vengono ora mostrati i comandi di configurazione generati: 

The following configuration command script was created:

hostname lmrouter01
enable secret 5 $1$knzX$5LdGH1VJfPst5XZhlJXho.
enable password ciscoenable
line vty 0 4
password ciscoterminal
no snmp-server
!
no ip routing

!
interface FastEthernet0/0
no shutdown
media-type 100BaseX
full-duplex
ip address 192.168.1.17 255.255.255.0
!
interface Serial0/0
shutdown
no ip address
!
interface Serial0/1
shutdown
no ip address
!
end

Salvare la configurazione: 

[0] Go to the IOS command prompt without saving this config.
[1] Return back to the setup without saving this config.
[2] Save this configuration to nvram and exit.

Enter your selection [2]:

Verrà compilata òa configurazione, dopodichè, premendo invio, si arriverà al prompt del router: 

Building configuration...
Use the enabled mode 'configure' command to modify this configuration.


Press RETURN to get started!


*Mar  1 00:00:04.575: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state p
*Mar  1 00:00:05.583: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEtherp
*Mar  1 00:00:10.487: %LINK-3-UPDOWN: Interface Serial0/0, changed state to up
*Mar  1 00:00:10.491: %LINK-3-UPDOWN: Interface Serial0/1, changed state to down
*Mar  1 00:00:11.487: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0p
*Mar  1 00:00:11.491: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/1n
*Mar  1 00:00:11.491: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEtherp
*Mar  1 00:01:06.327: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0n
*Mar  1 00:01:08.331: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0p
*Mar  1 00:01:28.783: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0n
*Mar  1 00:07:19.159: %LINK-3-UPDOWN: Interface Serial0/0, changed state to down
*Mar  1 00:07:30.239: %LINK-5-CHANGED: Interface Serial0/0, changed state to adn
*Mar  1 00:07:30.303: %LINK-5-CHANGED: Interface Serial0/1, changed state to adn
*Mar  1 00:07:40.795: %LINK-5-CHANGED: Interface BRI1/0, changed state to adminn
*Mar  1 00:07:41.795: %LINEPROTO-5-UPDOWN: Line protocol on Interface BRI1/0, cn
*Mar  1 00:07:51.731: %SYS-5-RESTART: System restarted --
Cisco Internetwork Operating System Software
IOS (tm) C1700 Software (C1700-SV8Y-M), Version 12.2(11)T7,  RELEASE SOFTWARE ()
TAC Support: http://www.cisco.com/tac
Copyright (c) 1986-2003 by cisco Systems, Inc.
Compiled Fri 28-Feb-03 12:27 by dchih
*Mar  1 00:07:51.755: %SNMP-5-COLDSTART: SNMP agent on host lmrouter01 is undert
*Mar  1 00:07:55.763: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthern
*Mar  1 00:08:03.479: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEtherp
lmrouter01>

Entrare in modalità enable, con la password di enable secret: 

lmrouter01>enable
Password: ciscosecret
lmrouter01#

Cambia il prompt.

Visualizzare la configurazione corrente tramite il comando show running-config.

E' possibile terminare i comandi con il TAB o usare anche le abbreviazioni. Qualora si desiderasse aiuto, digitare comando ? 

lmrouter01#sh run
Building configuration...

Current configuration : 863 bytes
!
version 12.2
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname lmrouter01
!
enable secret 5 $1$knzX$5LdGH1VJfPst5XZhlJXho.
enable password ciscoenable
!
ip subnet-zero
no ip routing
!
!
!
!
!
voice call carrier capacity active
!
!
!
!
!
!
!
!
!
mta receive maximum-recipients 0
!
!
!
interface FastEthernet0/0
 ip address 192.168.1.17 255.255.255.0
 no ip route-cache
 speed auto
 full-duplex
!
interface Serial0/0
 no ip address
 no ip route-cache
 shutdown
!
interface Serial0/1
 no ip address
 no ip route-cache
 shutdown
!
interface BRI1/0
 no ip address
 no ip route-cache
 shutdown
!
ip classless
no ip http server
!
!
!
call rsvp-sync
!
!
mgcp profile default
!
dial-peer cor custom
!
!
!
!
line con 0
line aux 0
line vty 0 4
 password ciscoterminal
 login
!
no scheduler allocate
end

Abilitiamo ora la richiesta di password per il collegamento da console o telnet:

Entriamo in modalità configurazione: 

lmrouter01#conf t
Enter configuration commands, one per line.  End with CNTL/Z.

Selezioniamo la console 0: 

lmrouter01(config)#line console 0
lmrouter01(config-line)#

Impostiamo la password per la console: 

lmrouter01(config-line)#password ciscoconsole
lmrouter01(config-line)#login


Terminiamo con CTRL-Z: 

lmrouter01(config-line)#^Z
lmrouter01#
*Mar  1 00:19:05.255: %SYS-5-CONFIG_I: Configured from console by console
lmrouter01#

Usciamo con exit, e al ricollegamento chiederà la password: 

User Access Verification

Password: ciscoconsole


Configurazione interfaccia Seriale

Entriamo nel menù di configurazione fino al prompt dell'interfaccia (aiutiamoci con il TAB): 

lmrouter01>enable
Password:ciscosecret
lmrouter01#configure terminal
Enter configuration commands, one per line.  End with CNTL/Z.
lmrouter01(config)#interface Serial 0/0
lmrouter01(config-if)#

Incolliamo i comandi di configurazione:

Seleziona l'interfaccia 

interface Serial0/0

Senza ip: 

no ip address

Dichiara il tipo di linea: 

encapsulation frame-relay IETF

E' così: 

no fair-queue

Tipo linea ANSI (non cisco) 

frame-relay lmi-type ansi

Linea di commento 

!

Ora si configura l'interfaccia vera e propria: 

interface Serial0/0.1 point-to-point

Descrizione: 

description connected to Internet

Indirizzi ip associati 

ip address 83.211.14.110 255.255.255.252

Si associano quattro indirizzi IP:

Network: 83.211.14.108 Ip altro router in centrale: 83.211.14.109 Ip Seriale: 83.211.14.110 Broadcast: 83.211.14.111

Eventuale Access list 

ip access-group 101 in

Eventuale nat 

ip nat outside

Tipo linea: 

frame-relay interface-dlci 20 IETF

Commento: !

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