Disable DNS lookup to prevent the router from attempting to translate incorrectly entered commands as though they were hostnames.
R1(config)#no ip domain-lookup
Require that a minimum of 10 characters be used for all passwords.
R1(config)#security ?
passwords Password security CLIs
R1(config)#security passwords ?
min-length Minimum length of passwords
R1(config)#security passwords min-length ?
<0-16> Minimum length of all user/enable passwords
R1(config)#security passwords min-length 10
R1(config)#
Assign cisco12345 as the privileged EXEC encrypted password.
R1(config)#enable secret cisco12345
Assign ciscoconpass as the console password, establish a timeout, enable login, and add the logging synchronous command. The logging synchronous command synchronizes debug and Cisco IOS software output and prevents these messages from interrupting your keyboard input.
R1#clock ?
set Set the time and date
R1#clock set ?
hh:mm:ss Current Time
R1#clock set 10:25:00 ?
<1-31> Day of the month
MONTH Month of the year
R1#clock set 10:25:00 march ?
<1-31> Day of the month
R1#clock set 10:25:00 march 20 ?
<1993-2035> Year
R1#clock set 10:25:00 march 20 2020
R1#show clock
*10:25:6.57 UTC Fri Mar 20 2020
R1#
Save the running configuration to the startup configuration file.
R1#copy running-config startup-config
Destination filename [startup-config]?
Building configuration...
[OK]
R1#
Step 3: Verify network connectivity.
Ping PC-B from a command prompt on PC-A.
PC-B>ping 192.168.1.3
Pinging 192.168.1.3 with 32 bytes of data:
Reply from 192.168.1.3: bytes=32 time=2ms TTL=127
Reply from 192.168.1.3: bytes=32 time=0ms TTL=127
Reply from 192.168.1.3: bytes=32 time=0ms TTL=127
Reply from 192.168.1.3: bytes=32 time=0ms TTL=127
Ping statistics for 192.168.1.3:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 2ms, Average = 0ms
PC-B>
Step 4: Configure the router for SSH access.
Enable SSH connections and create a user in the local database of the router.
R1#configure terminal
R1(config)#ip domain-name kelaspar.ir
R1(config)#username admin privilege 15 secret adminpass1
R1(config)#line vty 0 4
R1(config-line)#transport input ssh
R1(config-line)#login local
R1(config-line)#exit
R1(config)#crypto key generate rsa
The name for the keys will be: R1.kelaspar.ir
Choose the size of the key modulus in the range of 360 to 2048 for your
General Purpose Keys. Choosing a key modulus greater than 512 may take
a few minutes.
How many bits in the modulus [512]: 1024
% Generating 1024 bit RSA keys, keys will be non-exportable...[OK]
R1(config)#
Remotely access R1 from PC-A .
PC-A>ssh -l admin 192.168.1.1
Open
Password:
Unauthorized access prohibited!
R1#
Step 5: Display Router Information
Retrieve important hardware and software information. Use the show version command to answer questions about the router.
R1#show version
Cisco IOS Software, 1841 Software (C1841-ADVIPSERVICESK9-M), Version 12.4(15)T1, RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2007 by Cisco Systems, Inc.
Compiled Wed 18-Jul-07 04:52 by pt_team
ROM: System Bootstrap, Version 12.3(8r)T8, RELEASE SOFTWARE (fc1)
System returned to ROM by power-on
System image file is "flash:c1841-advipservicesk9-mz.124-15.T1.bin"
This product contains cryptographic features and is subject to United
States and local country laws governing import, export, transfer and
use. Delivery of Cisco cryptographic products does not imply
third-party authority to import, export, distribute or use encryption.
Importers, exporters, distributors and users are responsible for
compliance with U.S. and local country laws. By using this product you
agree to comply with applicable laws and regulations. If you are unable
to comply with U.S. and local laws, return this product immediately.
A summary of U.S. laws governing Cisco cryptographic products may be found at:
http://www.cisco.com/wwl/export/crypto/tool/stqrg.html
If you require further assistance please contact us by sending email to
export@cisco.com.
Cisco 1841 (revision 5.0) with 114688K/16384K bytes of memory.
Processor board ID FTX0947Z18E
M860 processor: part number 0, mask 49
2 FastEthernet/IEEE 802.3 interface(s)
191K bytes of NVRAM.
63488K bytes of ATA CompactFlash (Read/Write)
Configuration register is 0x2102
R1#
What is the name of the IOS image that the router is running? c1841-advipservicesk9-mz.124-15.T1.bin
Step 6: Display the routing table on the router.
Use the show ip route command on the router to answer the following questions.
R1#show ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is not set
C 192.168.0.0/24 is directly connected, FastEthernet0/0
C 192.168.1.0/24 is directly connected, FastEthernet0/1
R1#
How many route entries are coded with a C code in the routing table? 2
Step 7: Display a summary list of the interfaces on the router.
Use the show ip interface brief command on the router to answer the following question.
R1#show ip interface brief
Interface IP-Address OK? Method Status Protocol
FastEthernet0/0 192.168.0.1 YES manual up up
FastEthernet0/1 192.168.1.1 YES manual up up
Vlan1 unassigned YES unset administratively down down
R1#
Step 8: Initialize and reload the router.
Type the erase startup-config command to remove the startup configuration from NVRAM.
R1#erase startup-config
Erasing the nvram filesystem will remove all configuration files! Continue? [confirm]
[OK]
Erase of nvram: complete
%SYS-7-NV_BLOCK_INIT: Initialized the geometry of nvram
R1#
Issue the reload command to remove an old configuration from memory. When prompted to Proceed with reload, press Enter to confirm the reload. (Pressing any other key aborts the reload.)
R1#reload
Proceed with reload? [confirm]
System Bootstrap, Version 12.3(8r)T8, RELEASE SOFTWARE (fc1)
Initializing memory for ECC
..
c2811 processor with 524288 Kbytes of main memory
Main memory is configured to 64 bit mode with ECC enabled
Readonly ROMMON initialized
Self decompressing the image :
########################################################################## [OK]
Restricted Rights Legend
You may be prompted to save the running configuration prior to reloading the router. Type no and press Enter.
--- System Configuration Dialog ---
Continue with configuration dialog? [yes/no]: no
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