NO. 29 • September 2012 • Price Free • www.networkset.net

First Arabic Magazine For Networks

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3

® NetworkSet

Issue 29 - September / 2012

First Arabic Magazine For Networks

ICMP Redirect - 5

If statement -article3 - 10

OSPF LSA Types- 15

Avaya Solutions - 26

Cisco® Unified Wireless Network 7.2 - 28

RPCSuo^- 34

Virtual Desktop Infrastructure Jl Ll^JqKi - 36

WCNAojI^Ij- 43

4

® NetworkSet

Issue 29 - September / 2012

ICMP Redirect

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5

Issue 29 - September / 2012

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6

Issue 29 - September / 2012

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7

Issue 29 - September / 2012

(#5 0K4553-NAT vO.4.5

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Issue 29 - September / 2012

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i How to write a Script II

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10

® NetworkSet

Issue 29 - September / 2012

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bash-3.00# chmod 777 if example. bash
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/etc/passwd is a file

the script is finished
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11

® NetworkSet

Issue 29 - September / 2012

Hie Edit View Terminal Ta^s Help

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12

® NetworkSet

Issue 29 - September / 2012

Case Statement

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14

Issue 29 - September / 2012

fentification

ahmadkhiraldeen@gmail.com

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Issue 29 - September / 2012

OSPF Network ^ SjUt

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Router ID: 8.8.8.8
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16

Issue 29 - September / 2012

R2#show

ip

ospf

database self-originate

OSPF Router with ID (2.2.2.2}

(Process ID

Router Link States (Area

0}

Link: ID

ADV Router Age

Seq#

Checksum

Link cojnt

2.2.2.2

2.2.2.2 644

0x80000008

0x001384

1

Type-5 AS External Link States

Link ID

ADV Router Age

Seq#

Checksum

Tag

0.0.0.0

2.2.2.2 644

0x80000002

QxQQFCAC

1

172.16.1

.0

2.2.2.2 644

0x80000002

0x0007D5

0

192.168.

100

.0

2.2.2.2 644

0x80000002

0x00A722

0

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137

.0

2.2.2.2 644

0x80000002

0x000F95

0

R2#|

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ip

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(Process

ID 1)

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Link ID

ADV" Router Age

Seq#

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Link count

172.16.2

.4

172.16.2.4 197

0x80000008

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1

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Link ID

ADV Router Age

Seq#

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Router Link States (Area 0}

Link ID ADV Router Age Seq# Checksum Link count

172.16.2.3 172.16.2.3 1345 0x80000004 OxOOSDCA 1

R5ii

17

Issue 29 - September / 2012

.ASBR

LSA TYPE 3, 4

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Lint ID

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Age

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count

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4.4.4.4

514

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0x0QC18C

2

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Lint States

(Area 0)

Lint ID

ADV Router

Age

Seq#

Chectsum

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0

4.4.4.4

759

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0

4.4.4.4

514

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172.16.5.

0

4.4.4.4

514

0x60000006

0x00C463

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States (Area.

1)

Lint ID

ADV Router

Age

5eq#

Chectsum

Lint

count

4.4.4.4

4.4.4.4

514

0x30000003

0x00072C

2

Summary Net

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(Area 1}

Lint ID

ADV Router

Age

Seq#

Chectsum

172.16.2.

0

4.4.4.4

759

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172.16.3.

0

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(Area 1}

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Age

Seq#

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3}

Lint ID

ADV Router

Age

Seq#

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Lint

count

4.4.4.4

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773

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2

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(Area 3}

Lint ID

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Age

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0

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564

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564

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565

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Lint States

(Area 3}

Lint ID

ADV Router

Age

Seq#

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2.2.2.2

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809

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18

Issue 29 - September / 2012

Link: ID
6 . 8 . 6 . 6

ADV Router
8 . 6 . 6 . 8

Age
1485

5eq# Checksum Link count

0x80000007 0x0 03 SAO 1

Summary Net Link States [Area 0)

Link ID
172.16.4.0
172.16.5.0
172.16.6.0

ADV Router
8.8.8.8
8.8.8.8
8.8.8.8

Age
1485
1485
1485

Seq# Checksum
0x80000006 0x0057Cl
0x80000006 QxQ0C98E
0x80000006 0x0037E0

Router Link States (Area I)

Link ID
8.8.8.8

ADV Router
8.8.8.8

Age
1485

Seq# Checksum Link count

0x30000009 QxOQ82DC 1

Summary Net Link States [Area 1)

Link ID
172.16.6.0

ADV Router
8.8.8.8

Age
1485

Seq# Checksum
0x80000006 0x0037E0

Summary A53 Link States [Area 1)

Link ID
2.2.2.2

ADV Router
8.8.8.8

Age
1516

Seq# Checksum
0x80000005 OxOOECll

Router Link States (Area 2)

Link ID
8.8.8.8

ADV Router
8.8.8.8

Age
1517

Seq# Checksum Link count

0x80000009 0x0025ED 2

Summary Net Link States [Area 2)

Link ID

172.16.2.0

172.16.3.0

172.16.4.0

172.16.5.0

ADV Router

8.8.8.8

8.8.8.8

8.8.8.8

8.8.8.8

1519
1519
1520
1520

Seq# Checksum
0x80000006 0x00898D
0x80000006 0x00E4F4
0x80000006 0x0057Cl
0x80000006 0x00C98E

Summary AS3 Link States [Area 2)

Link ID
2.2.2.2
R8#

ADV Router
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Age

1520

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R4 (conf ig-r outer ) #

R4 (conf ig- router ) farea 1 virtual-link 8.8.8.8

1

® NetworkSet

Issue 29 - September / 2012

identification

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20

Issue 29 - September / 2012

COOLING SYSTEM

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® NetworkSet

Issue 29 - September / 2012

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22

Issue 29 - September / 2012

Security

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Issue 29 - September / 2012

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Issue 29 - September / 2012

web-sales-03

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25

Issue 29 - September / 2012

Issue 29 - September / 2012

: Switches Ug_jl LL££jI U£ 5 j.iaJI 5 products Jl ^ LLa SuJliJI S^laiJI ^

AVAYA ETHERNET EDGE SWITCHING COMPARISON SAVINGS

Avaya edge switches allow you to enhance your network's performance, improve your company's energy efficiency and
lower your total cost of ownership.

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. J-jj-JI avaya product Jl L7 1^ Jj..^a?h * ^ >suJl ^.i link

RESULTS

Based; on your answers, here are your potential savings.

ETHERNET EDGE SWITCHING SAVINGS

fey upgrading to Avaya 4548GT switches, a company like yours could
fcave $3,962 per year.

Below is a networking cost savings comparison between your current system
and an equivalent Avaya system, as well as a breakdown of networking savings
identified in the following areas:

Cuifent:

With Avaya:

1. Average yearly maintenance

$325

$153

2. Average yearly energy

$67

$87

3. MSRP

S9.495

$6,295

Average yearly TCO

$11,459

$7,497

Average 5-year TCO

$57,237

$37,485

UearTUTTor^bout^avaJ^etwc^
^^^^^^^^^^^^^^^^^^^^^^^^^

Please review TmI Terms of Use

1 I 2

RESULTS

TOTAL ESTIMATED SAVINGS

MIERCOM REPORT

Learn about plug and play switches in this
exclusive evaluation.

download now^

27

® NetworkSet

Issue 29 - September / 2012

0

Identification

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Issue 29 - September / 2012

Q)

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Cisco Aironet access points running the Control and
Provisioning of Wireless Access Point (CAPWAP) Protocol

• Cisco 2500 and 5500 Series Wireless Controllers

• Cisco Flex™ 7500 Series Wireless LAN Controllers (WLCs)

• Cisco Catalyst® 6500 Series Wireless Services Module 2
(WiSM2)

• Cisco 3300 Series Mobility Services Engine (MSE)

• Cisco Prime™ Network Control System (NCS) 1.1

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Issue 29 - September / 2012

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33

Issue 29 - September / 2012

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34

® NetworkSet

Issue 29 - September / 2012

;Jj Microsoft Exchange Proxy Settings

Microsoft Office Outlook can communicate with Microsoft Exchange over the Internet by
nesting Remote Procedure Calls (RPC) within HTTP packets, Select the protocol and the
identity verification method that you want to use. If you don't know which options to
select, contact your Exchange Administrator.

Connection settings

Use this URL to connect to my proxy server for Exchange:
https:// owa.netoverme.xxx

F71 Connect using SSL only

|7l Only connect to proxy servers that have this principal name in their certificate:
msstd : owa . neto verme . xxx

j/j On fast networks, connect using HTTP first r then connect using TCP/IP
V] On slow networks r connect using HTTP first r then connect using TCP/IP

Proxy authentication settings

Use this authentication when connecting to my proxy server for Exchange:

NTLM Authentication

OK

Cancel

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settings. If you are using a browser other than Internet
Explorer 6 or later, you can only use the Light dient.

Domain \user name:
Password:

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© 2007 Microsoft Corporatk>ri, All rights reserved,

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Apply

35

® NetworkSet

Issue 29 - September / 2012

Identification

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36

® NetworkSet

Issue 29 - September / 2012

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37

® NetworkSet

Issue 29 - September / 2012

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39

Issue 29 - September / 2012

LogMeln

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40

Issue 29 - September / 2012

UltraVNC

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41

Issue 29 - September / 2012

i

Windows Remote
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Issue 29 - September / 2012

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43

Issue 29 - September / 2012

Wireshark Functionality.
TCP/IP Network Communications.
Network Troubleshooting.
Network Security.

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Destination

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54 61.8.0.1/

10.0.52.154 TCP
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II II IIMI'I

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3

5 400 [TCP segment of a reassembled P0U]
5400 [TCP segment of a reassembled PDU]

TCP Dup ACK 134#ll] ads > http [ACK] 5eq=446

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source port: nnp ^juj
Destination port: ads (2550)
[Stream index: 0]

Sequence number: 134650 (relative sequence nun
[Next sequence number: 136110 (relative sequer
Acknowledgement number: 446 (relat ive At k in.
Header length: 20 bytes
♦ Flags: 0x10 (ACK)

window size: 6400 (scaled)
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[SEQ/ACK analysis]
■This is an ACK to the segment in frame: 1601
[The ftTT to ACK the segment was: 0.006243000 se
tcp segment data (1460 bytes)

0000 OS 00 46 f4 3a 09 00 04 75 c9 51 b6 OS 00 45

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0020 34 a4 00 50 09 f6 9f f& ff 0? fS ed ee 50

0030 00 32 be cO 00 00 cc 46 0d 16 eG 6S ac 25 ab

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44

Issue 29 - September / 2012

Activity

Area

Duration (hours)

CPE credits

ONLINE TRAINING: Attend an
online webinar about Wireshark

Network

Testing/Optimization

2

2

TECHNICAL READING" Read
RFC 1323- Window Scaling and
capped ,ace files for study

Network

Testing/Optimization

2

2

mmm

CONFERENCE SESSIONS:

Attend two Black Hat sessions
focused on network forensics

Network Security

3

3

TECHNICAL READING: Read
Wireshark Network Analysis
Study Guide - Chapters 4-5

Network

Communications

2

3

Wireshark Certified Network : ^U^il ^1
Analyst: Official Exam Prep Guide

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45