Category : ICND1 CCENT

< Section 23 | Home | Section 25 > 76% Complete! 153. Introduction https://www.udemy.com/course/cisco-icnd1/learn/lecture/8677024#content   154. Access Control Lists Overview https://www.udemy.com/course/cisco-icnd1/learn/lecture/8677036#content Access Control Lists Identifies traffic based on characteristics of the packet, such as source IP, Dest IP, port number The router or switch can take an action based on the result of the ACL ..

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Home Start with a clean sheet erase start Initial Router Configuration Set console password required console logout to work! Set enable password (public and private) Hostname Domain name Warning message f0/0 172.22.22.x/24 F0/1 10.10.X.1 Configure Telnet with Password Configure SSH configure time out 45 minutes configure loopback     Setup DNS   Dynamic Routing RIP ..

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Caution! This takes about 2 hours to perform.  Proceed only if necessary! Requirements minicom connection to the console port copy of the IOS software c2950-i6k2l2q4-mz.121-22.EA14.bin copy the file to the /root folder on the minicom  server. Procedure Switch switch: flash_init switch: load_helper switch: dir flash: copy xmodem: flash:c2950-i6k2l2q4-mz.121-22.EA14.bin Minicom host <Ctrl>+<A> then <S> Scroll down ..

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Install the tftpd-hpa server sudo apt install -y tftpd-hpa (Optional) Install the tftp client sudo apt install -y tftp Edit the config file sudo nano /etc/default/tftpd-hpa # /etc/default/tftpd-hpa TFTP_USERNAME=”tftp” TFTP_DIRECTORY=”/home/tftp” TFTP_ADDRESS=”0.0.0.0:69″ TFTP_OPTIONS=”–secure -4 –create”   Create the tftp folder sudo mkdir /home/tftp sudo chmod 777 /home/tftp sudo chown tftp /home/tftp   To Start / Restart ..

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< ICND1 Main Menu Initial R1 Router Setup Should be able to do this by heart! enable configure terminal # Configure the hostname and domain name hostname r1 ip domain name tas.lab # configure Interface F0/0 with 10.0.0.1 interface fastethernet0/0 ip address 10.0.0.1 255.255.255.0 no shutdown # enable DNS lookups ip domain lookup ip name-server ..

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Interfaces show ip interface brief sh ip int bri Shows each interface, any assiciated IP addresses and if the interface is up or down. show interface sh int Displays extensive information regarding each interface. Up or Down VLAN ID MAC address Connection speed / configuration Duplex mode Packets, Errors show interface FastEthernet 0/1 sh int ..

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< Section 22 | Home | Section 24 > 71% Complete ICND1 Exam Topic! Know this section for the exam!   Resources: http://www.firewall.cx/cisco-technical-knowledgebase/cisco-switches/1215-understanding-dhcp-snooping-concepts-and-how-it-works.html 144. Introduction https://www.udemy.com/cisco-icnd1/learn/lecture/8676906#content Access Layer Switch Security Mechanisms 145. DHCP Snooping https://www.udemy.com/course/cisco-icnd1/learn/lecture/8676916#content Access Layer Switch Security Mechanisms DHCP Snooping DAI Dynamic ARP Inspection 802.1X Identity Based Networking Port Security – MOST IMPORTANT ..

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< Section 21 | Home | Section 23 > 69% Complete 138. Introduction https://www.udemy.com/cisco-icnd1/learn/lecture/8657516#content   139. DHCP Dynamic Host Configuration Protocol https://www.udemy.com/cisco-icnd1/learn/lecture/8657522#content DHCP is a client/server protocol that automatically provides a host with its IP address and other related configuration information such as the subnet mask, default gateway and DNS server. DHCP clients obtain their ..

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