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Cisco okosságok gyüjteménye

  • Reset password on Cisco (806) Router

    Monitor kábellel összekötni a routert a géppel.
    1 percen belül, kb. mielőtt elkezdi tölteni a router konfigot BREAK (gtkterm menü, vagy ctrl-b).
    rommon 1> confreg 0x2142
    rommon 2> reset
    Majd a kérdésekre no, vagy crtl-c
    Router> enable
    Router# write memory or copy startup-config running-config
    Router# show running-config
    Router# configure terminal
    Router(config)# config-register 0x2102
    Router# write memory
    Password Recovery Procedure for the Cisco 806, 826, 827, 828, 831, 836, and 837 Series Routers [Cisco 800 Series Routers] - Cisco Systems

  • HowTo Enable Cisco SDM On Cisco (1712) Router
    Router# configure terminal
    Enter configuration commands, one per line. End with CNTL/Z.
    Router(config)# ip http server
    Router(config)# ip http secure-server
    Router(config)# ip http authentication local end
    Router(config)# ip http timeout-policy idle 600 life 86400 requests 10000
    Router(config)# username username privilege 15 secret 0 password


  • IOS upgrade

    Step 1 Access the router CLI using a Telnet connection or the console port.
    Step 2 Delete your old Cisco IOS image from Flash memory, using the following CLI commands, and
    responding to the prompts as shown:
    Router# delete
    Delete filename []? y
    Delete flash:y? [confirm] n
    Delete flash:y aborted!
    Router# squeeze flash:
    Step 3 Copy the Cisco IOS image to the router Flash memory, using the following CLI command:
    Router# copy tftp:/// flash:
    When prompted do NOT erase the Flash memory.
    Step 4 Reboot the router to use the new Cisco IOS image using the following CLI command:
    Router# reload

  • DHCP Quic Step
    conf t
    service dhcp
    ip dhcp pool
    ip dhcp excluded-address
    ip dhcp excluded-address

    Router(config)#service dhcp
    Router(config)#no service dhcp

    show ip dhcp bindingThe last steps we need to configure is to tell the router which our inside and outside addresses. This is achieved using the following commands:
    show ip dhcp server statistics
    debug ip dhcp server
    no ip dhcp conflict logging
    clear ip dhcp binding *
    ftp://user:[email protected]/router-dhcp

  • NAT

    Router(config)# int ethernet 0
    Router(config-if)# ip address
    Router(config-if)# ip nat inside

  • Router(config)# int ethernet 1
    Router(config-if)# ip address
    Router(config-if)# ip nat outside

    Router(config)# ip nat pool WANPOOL netmask

    Router(config)# ip access-list 10 permit

    Router(config)# ip nat inside source list 10 pool WANPOOL overload

    Router(config)# ip route

    Router# show ip nat statistics

    Router# show ip nat translations

  • Linkek
    Cisco Router Configuration Tutorial
    Cisco IOS IP Command Reference, Volume 2 of 3: Routing Protocols, Release 12.2 - IP Routing Protocol-Independent Commands: redistribute (IP) Through traffic-share min [Cisco IOS Software Releases 12.2 Mainline] - Cisco Systems
    Cisco administration 101: Understanding Ethernet MAC addresses
    cisco, switch, port, solaris, server, configuring, relay, security, administration, instructions, switches Cisco router | Tech-Recipes
    How to configure NAT in Cisco IOS (NAT Overloading) - Part 1 |