Ip address classes
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This document discusses IP address classes and their characteristics. There are 5 classes - A, B, C, D, and E. Class A addresses range from 1-126 and support up to 16 million hosts per network. Class B addresses range from 128-191 and support up to 65 thousand hosts. Class C addresses range from 192-223 and support up to 254 hosts. Classes D and E are reserved for multicasting and experimental use, respectively. The document also lists private IP address ranges for classes A, B, and C.
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Lo2
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Lo3
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Lo5
172.27.5.1
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N/A
Lo6
172.27.6.1
255.255.255.0
N/A
S1
VLAN 1
172.27.0.11
255.255.255.0
172.27.0.2
S2
VLAN 1
172.27.0.12
255.255.255.0
172.27.0.2
S3
VLAN 1
172.27.0.13
255.255.255.0
172.27.0.2
PC-A
NIC
172.27.0.21
255.255.255.0
172.27.0.2
PC-B
NIC
172.27.0.22
255.255.255.0
172.27.0.2
PC-C
NIC
172.27.0.23
255.255.255.0
172.27.0.2
Assessment Objectives
Part 1: Initialize Devices (2 points, 5 minutes)
Part 2: Configure Device Basic Settings (5 points, 30 minutes)
Part 3: Configure LAN Redundancy and Link Aggregation (6 points, 25 minutes)
Part 4A: Configure EIGRP for IPv4 Dynamic Routing Protocol (8 points, 30 minutes)
Part 4B: Configure OSPFv2 Dynamic Routing Protocol (8 points, 30 minutes)
Part 5: Verify Network Connectivity and HSRP Configuration (6 points, 15 minutes)
Part 6: Display IOS Image and License Information (5 points, 5 minutes)
Scenario
In this Skills Assessment (SA), you will create a small network. You must connect the network devices, and configure those devices to support IPv4 connectivity, LAN redundancy, and link aggregation. You will then configure EIGRP and OSPFv2 for IPv4 on the network and verify connectivity and HSRP. Finally, you will demonstrate your knowledge of IOS images and licensing.
Required Resources
3 Routers (Cisco 1941 with Cisco IOS Release 15.2(4)M3 universal image or comparable)
3 Switches (Cisco 2960 with Cisco IOS Release 15.0(2) lanbasek9 image or comparable)
3 PCs (Windows 7, Vista, or XP with terminal emulation program, such as Tera Term)
Console cable to configure the Cisco IOS devices via the console ports
Ethernet and Serial cables as shown in the topology
Initialize Devices
Total points: 2
Time: 5 minutes
Initialize and reload the routers and switches.
Erase the startup configurations and reload the devices.
Before proceeding, have your instructor verify device initializations.
Task
IOS Command
Points
Erase the startup-config file on all routers.
R1# erase startup-config
2
Reload all routers.
R1# reload
Erase the startup-config file on all switches and remove the old VLAN database.
S1# erase startup-config
S1# del vlan.dat
Reload all switches.
S1# reload
Verify VLAN database is absent from flash on all switches.
S1# show flash
Points: __________ of 2
Configure Device Basic Settings
Total points: 5
Time: 30 minutes
Configure R1.
Configuration tasks for R1 include the f ...
Ip address
IP addresses are 32-bit numbers that uniquely identify devices on a network. They allow for file transfers and email communication using the Internet Protocol. There are five classes of IP addresses - A, B, C, D, and E - which are divided into ranges to define large, medium, and small networks. Users can determine the IP address of their own device or other computers and websites using commands like ipconfig and ping.
Ccna pres
This document provides information about networking concepts for the CCNA exam, including transmission media, network interface cards, protocols, addresses, hubs, switches, routers, and the OSI model. It defines common networking cable types and standards like Ethernet and their associated bandwidths. It also covers IP addressing schemes including public/private IP ranges, subnetting of IP classes A, B and C, and default subnet masks. Network communication methods like unicast, broadcast and multicast are defined.
Ip addresses
Internet Protocol (IP) technology was developed in the 1970s to support some of the first research computer networks.
A simple IP Address is a lot more than just a number. It tells us the network that the workstation is part of and the node ID.
Today, IP has become a worldwide standard for home and business networking as well.
Our network routers, Web browsers, email programs, instant messaging software - all rely on IP
IP addressing by Mamun Sir
The document discusses IP addressing and networking concepts, including the structure of an IP address, purpose of IP addresses for identifying devices and routing data, and how IP addresses and network masks are used to define networks and assign addresses in a hierarchical and classless manner. It also covers special IP addresses and how addressing has evolved from early class-based systems to current classless inter-domain routing.
Network Layer
The document discusses several networking concepts:
- Classless Inter-Domain Routing (CIDR) allows ISPs to allocate blocks of IP addresses to organizations in a more efficient manner than previous methods.
- Network Address Translation (NAT) allows a local network to use private IP address ranges behind a NAT-enabled router that maps the private addresses to a single public IP address for communication with external networks.
- Subnetting and Variable Length Subnet Masking (VLSM) allow networks to be divided into subnets to better utilize limited IP address blocks and assign addresses based on subnet needs.
- Supernetting combines multiple classful network blocks into larger supernets to more efficiently use address space.
IP NETWORKING AND IP SUBNET MASKING
Complete understanding of subnet masking
also available on the youtube channal in three parts 1,2,3
link:-
https://www.youtube.com/channel/UC36lyOTi8w1EhQ-yZssjX1g?view_as=subscriber.
CCNA ppt Day 3
IP addresses are used to route packets to the correct network and device. There are two main versions: IPv4 uses 32-bit addresses divided into four groups, while IPv6 uses 128-bit hexadecimal addresses. IP addresses are classified and divided into network and host portions based on their class. Private IP ranges are used internally while public IPs are used for internet communication. Subnet masks identify the network and host portions of an IP.
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- 1. IP address classes http://www.vlsm-calc.net/ipclasses.php English Русский 简体中文 IP address classes Branded Ethernet Switches << Back Class 1st Octet Decimal Range 1st Octet High Order Bits Network/Host ID (N=Network, H=Host) Default Subnet Mask Number of Networks Hosts per Network (Usable Addresses) A 1 – 126* 0 N.H.H.H 255.0.0.0 126 (27 – 2) 16,777,214 (224 – 2) B 128 – 191 10 N.N.H.H 255.255.0.0 16,382 (214 – 2) 65,534 (216 – 2) C 192 – 223 110 N.N.N.H 255.255.255.0 2,097,150 (221 – 2) 254 (28 – 2) D 224 – 239 1110 Reserved for Multicasting E 240 – 254 1111 Experimental; used for research Note: Class A addresses 127.0.0.0 to 127.255.255.255 cannot be used and is reserved for loopback and diagnostic functions. Private IP Addresses Class Private Networks Subnet Mask Address Range A 10.0.0.0 255.0.0.0 10.0.0.0 - 10.255.255.255 B 172.16.0.0 - 172.31.0.0 255.240.0.0 172.16.0.0 - 172.31.255.255 C 192.168.0.0 255.255.0.0 192.168.0.0 - 192.168.255.255 Hosted at Novgorod State University imspl.net Industrial Networking Products Competent, Promt. Enquire Now 1 of 1 7/4/2014 9:40 AM