Configure DHCP server on Cisco Router:
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IP dhcp excluded-address 192.168.27.1 192.168.27.50
!
IP DHCP pool Cisco
Network 192.168.27.0 255.255.255.0
Dns-server 192.168.7.20
Domain-name fagorarrasate.net
Default-router 192.168.27.1
Configure HTTP Server:
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IP HTTP Server
Username Cisco privilege password Cisco
IP HTTP Authentication Local
IP http secure-server
IP http timeout-policy idle life 86400 requests 10000
Configure local logon without username and Password/with username and password:
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Line con 0
Exec-timeout 0 0
Login Local
Line vty 0 4
Password Cisco
Login
Transport input All
Crack Username/password for Cisco router:
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After router boot up, in 10s, press Fn+ctrl+b or Ctrl+break
Then, Confreg 0x2142
Reset
----------
En
Copy Start-confi running
Config-register 0x2102
No enable Pass
No enable secret
Exit
wr
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Ipaccounting Archive Router Configuration
Archive Router :
http://www.packetu.com/2013/05/07/how-to-automate-cisco-backup-using-configuration-archive/
Archive
Path tftp://10.254.254.10/router/
Write-memory
No file Verify Auto
int g2/0
IP Accounting output-packets
Exit
SH IP Accounting
int g2/0
No IP accounting
Exit
Clear IP Accounting
Http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipapp/configuration/15-s/iap-15-s-book/iap-ipserv.html
router# configureterminal
Router (config) #interface Ethernet 0/5
Router (config-if) #ip accounting mac-address input
Router (config-if) #ip accounting mac-address output
Router (config-if) #ip Accounting Precedence input
Router (config-if) #ip Accounting Precedence output
The followingexample shows how to enable IP accounting with the ability to identify iptraffic that fails IP access lists a nd with the number of transit records Thatwill is stored in the IP Accounting database limited to 100:
router# configureterminal
Router (config) # ipaccounting-transits 100
Router (config) #interface Ethernet 0/5
Router (config-if) #ip accounting output-packets
Router (config-if) #ip accounting access-violations
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Copy Flash the content to TFTP Medium:
Archivetar/create Tftp:1.2.3.4/saved.tar Flash:
https://learningnetwork.cisco.com/thread/10762
Copy tftp to Flash:
Archivetar/xtract Tftp://192.168.3.250/c1200-k9w7-tar.123-8.ja2.tar Flash:
This article is from the "Sulan Network" blog, so be sure to keep this source http://zhangfang526.blog.51cto.com/8588740/1708069
Cisco useful feature and commands