IP UDP TCP HTTP TFTP

Talk Less Do More
IP UDP TCP HTTP TFTP
110 90 120 100 1
Physical Layer Data Link Layer Network Layer Application Layer Transport Layer
ip routing ip-routing ip route ip-route
Public IPv4 address Private IPv4 address APIPA Private IPv6 address
510 1022 30 4,094
ip default-gateway ip default-network default-gateway ip default-route
IGRP OSPF EIGRP IS-IS RIPv2
RIP EIGRP IS-IS OSPF BGP
STP (spanning tree protocol) FTP (File Transfer Protocol) TFTP (Trivial File Transfer Protocol) VTP (vlan trunking protocol)
service password-encryption service-password encryption enable secret enable password enable secret password
Switch Hub Router Bridge
ping ifconfig show vlan traceroute
Vlan 1005 Vlan 1 Vlan 100 Vlan 1000
RIPv1 EIGRP IGRP OSPF RIPv2
Split horizon rule Maximum Hop Count Spanning tree protocol Elect DR and BDR Use Feasibility Condition
Transport Data Link Session Network Physical
Google, SAP and Cisco are among a number of technology companies interested in buying parts - or all - of BlackBerry, according to Reuters, ...
Now You can Get Easily Learn Cisco Training Video You Can Get Also Download PDF File
ssh use port 22 ssh use port 23 unsecured encrypted operates at the transport layer
RIPv2 EIGRP OSPF RIPv1
127.0.0.1 10.0.0.10 200.100.10.1 192.168.20.10 172.16.12.1
debug chap authentication debug ppp chap authentication debug authentication debug ppp authentication
HDLC frame-relay ppp Dot1q
HDLC PPP ATM WAP MPLS
2031:1201:100F:0:9C0F:0 2021:0:130F:8F00::7524 2001::090F:AB00::2535 2003:W192:B40F:AF00::G924
Spanning Tree Protocol (STP) Dynamic Trunking Protocol (DTP) Router Information Protocol (RIP) Vlan Trunking Protocol (VTP) Cisco Discovery ...
RIPv2 EIGRP OSPF IS-IS BGP RIPv1
OSPF use Hop Count as Metric it supports VLSM Area 0 is Called Backbone Area Process id has to be match in all routers OSPF Process id is on...
ip route 192.168.10.0 0.0.0.0 serial 2/0 ip route 0.0.0.0 172.16.30.2 192.168.20.2 ip route 0.0.0.0 0.0.0.0 fastEthernet 1/0 ip route 10.0.0...