Tuesday, August 8, 2017

Cisco Packet Tracer 7.1 Full Free Download

The best way to learn about networking is to do it. Cisco Packet Tracer, an innovative network configuration simulation tool, helps you hone your networking configuration skills from your desktop or mobile device. Use Packet Tracer to:

- Sharpen your skills for a job interview - Prepare for a certification exam - Practice what you learn in networking courses - Installing Packet Tracer Software
  Can students and instructors install Packet Tracer on their home computers or personal laptops?
Yes. Packet Tracer can be freely distributed to any Networking Academy instructor, student, or alumni. This enables students to use Packet Tracer on any computer outside of class for homework, practice, and exploratory learning.
  On what platforms can I install and run Packet Tracer 7.1?
 A. Packet Tracer 7.1 is compatible with the following platforms: Windows 7, 8.1, 10 ( 32bit and 64bit) and Ubuntu Linux (64bit).
  Packet Tracer 7.1 models the following protocols:
 - Application: FTP , SMTP, POP3, HTTP, TFTP, Telnet, SSH, DNS, DHCP, NTP, SNMP, AAA, ISR VOIP, MQTT, SCCP config and calls ISR command support, Call Manager Express, IoT - Transport: TCP and UDP, TCP Nagle Algorithm & IP Fragmentation, RTP - Network BGP, IPv4, ICMP, ARP, IPv6, ICMPv6, IPSec, RIPv1/v2/ng, Multi-Area OSPF, OSPFv3, EIGRP, EIGRPv6, Static Routing, Route Redistribution, Multilayer Switching, L3 QoS, NAT, CBAL , Zone-based policy firewall and Intrusion Protection System on the ISR, GRE VPN, IPSec VPN, HSRP, CEF, SPAN/RSPAN, L2NAT, PTP, REP, LLDP - Network Access/Interface Ethernet (802.3), 802.11, HDLC, Frame Relay, PPP, PPPoE, STP, RSTP, VTP, DTP, CDP, 802.1q, PAgP, L2 QoS, SLARP, Simple WEP, WPA, EAP, VLANs, CSMA/CD, Etherchannel, DSL, 3/4 G network support.

Download Packet Tracer 7.1.1

Saturday, June 10, 2017

CCNA Cisco Packet Tracer Command List 2017

Packet Tracer command list 2017
Radius Authentication default login setup
aaa new-model
aaa authentication login default group radius
radius-server host <IP> auth-port 1645 key Cisco

<set hostname>
ip domain-name cisco.com
crypto key generate rsa
ip ssh version 2
line vty 0 4
transport input ssh
SSH from host command line: ssh –l <username> <IP address>

Site-to-site VPN
crypto isakmp enable
crypto isakmp policy 10
encryption aes 256
authentication pre-share
group 5
lifetime 3600
crypto isakmp key VPNKEY address <outside public IP of remote site>
crypto ipsec transform-set MYTRANS esp-aes 256 esp-sha-hmac
crypto map MYMAP 1 ipsec-isakmp
set peer <outside public IP of remote site>
set transform-set MYTRANS
match address AAA
ip access-list extended AAA
permit ip <source network> <source wildcard mask> <destination network> <destination wildcard
show crypto isakmp sa
show crypto ipsec sa

CBAC (inspect) ICMP example
Create block for incoming traffic
ip access-list extended lockout
deny icmp any any
Apply to outer interface, inbound
interface fa0/x
ip access-group lockout in
Create inspection rule to allow ICMP requests from the inside
ip inspect name ICMP icmp
Apply to inner interface, inbound or outbound depending on situation
interface fa0/x
ip inspect ICMP in
Debug inspected ICMP traffic
debug ip inspect protocol icmp

ntp server <NTP Server IP>
ntp authentication-key <x> md5 <password>
ntp update-calendar
ntp authenticate
ntp trusted-key

logging <Syslog Server IP>
logging trap <trap type>
logging on
logging userinfo
logging console
logging buffered

enable password cisco
enable secret cisco (encrypted)
service password-encryption (global)
line con 0 (console)
password cisco
line vty 0 4 (vty connections)
password cisco

Local authentication
username user password cisco
line vty 0 4
login local

Layer 2 security
switchport port-security
switchport port-security mac-address
switchport port-security maximum
switchport port-security violation
switchport nonegotiate
switchport mode access
switchport mode trunk

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