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Implementing and Administering Cisco Solutions (CCNA) v1.0
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​Certification Path Link​

New Cert Track CCNP Feb 2020 Link
​New Cert Track CCNA Feb 2020 Link
New Re-certification Policy Link

Cisco VIRL
Packet Tracer Files
Discovery Labs
discovery_lab_1_cisco_cli.pkt
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discovery_lab_2_how_a_switch_operates.pkt
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discovery_lab_3_perform_basic_switch_configration.pkt
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discovery_lab_4_inspect_tcp-ip_apps.pkt
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discovery_lab_5_configure_an_interface_on_a_cisco_router.pkt
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discovery_lab_6_verify_layer_2_discovery_protocols.pkt
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discovery_lab_7_configure_a_default_gateway.pkt
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General Files Packet Tracer
ccna_v1_lab.pkt
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span_lab_ccna.pkt
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Wireshark Files
http.pcap
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arp_dhcp.pcap
File Size: 17 kb
File Type: pcap
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Course Resources

Exam Prep
ccna_v1_revision_file.rtf
File Size: 27 kb
File Type: rtf
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Official FREE CCNA Questions Link
​​Official Exam Type Q's LINK
Study Groups Link
​Training Videos and Webinars Link
Study Materials List Link
Career Toolkit Link
IP Addressing
ip_address_example_2016.pptx
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ip_addressing_q1_cheat_sheet.pptx
File Size: 67 kb
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Useful Links

Cisco IOS !6 releases Denali/Everest explained

NTP Vs PTP Link
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Are we going to run out of MAC addresses Link
The convoluted output of "show ip dhcp binding"
Show interface difference between Manual/NVRAM Link
2960 Cisco Switch LEDs Link
Configuring VTP (V1 default V2 includes token ring & V3) link
Changing the Default Vlan Link
Stacking Switches StackWise (9/3750) Link
HSRP Overview and Configuration Link
Verify ACLs using the APIC-EM Path Trace ACL analysis tool
OSPF Area Types Link
Cisco OSPF Design Document Link
Spanning Tree Diameter (default 7) Link
Cisco IOS Traceroute (UDP) windows ICMP Link
​HSRP V1 and V2 Differences Link
HSRP Gratuitous ARP Link
HSRP FAQs Link
PVST Setting the root primary looks at current value in BPDU's and set's it lower (secondary is a set value) Link
A good PDF explanation of MPLS Link
Good tutorial on the topic of PPPOE Link
Tagging Native VLAN and show output confusion Link
"show ip dhcp binding" Link explaining long hex addreses
ICMP Types and output codes Link
Cisco SLA (Service Level Agreement) Link
MPLA and VPLS VPWS Link
Cut-Thru and Store & Forward switching explained
Show Interface output explained
IPV4 to IPV6 Document
Understanding 802.1q Tunneling
GLBP Algorithm
Etherchannel Configuration, individual ports and port channel

"show ip eigrp neighbors" each column explained (h=handle)
The cisco routing table explained
NAT and NVI explained
More on NVI

Ethernet Cabling

SDN & iWAN Link

IPV6 Solicited Address Excellent example Link
IPV6 Excellent Links
IPV6 Another good multicast/solicitation Link
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TCP and UDP Small Servers Link

Classroom White Board Files

ccna_julyl_2021.pdf
File Size: 24246 kb
File Type: pdf
Download File

Youtube Videos

Course Content

Legend Green = Lecture based Red = Self Study
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Functions of Networking

History of the Internet Link

Host to Host Communications

Ciscco IOS

Cisco IOS !6 releases Denali/Everest explained

LANs

MDI Vs MDIX and Auto  Link​
​Ethernet Cabling
Cat 1 thru to Cat 8 cable explained Link​
POE Delivered over unused pairs or Data pairs Link ​
Multi Mode fibre and Single mode fibre Difference Link
​What are Glass Fibre cables made from Link
The difference between GBICs and SFP Link
Difference between LC and MT-RJ(SFF) Link
​​RJ45 The difference bewteen T568B and T568A Link
What is NEXT (Near-End Crosstalk) Link

Link Layer (TCP/IP)

​Are we going to run out of MAC addresses Link
Show interface difference between Manual/NVRAM Link
Show Interface output explained​

Starting a Switch

Cut-Thru and Store & Forward switching explained
2960 Cisco Switch LEDs Link
​Configuring VTP (V1 default V2 includes token ring & V3) link
Stacking Switches StackWise (9/3750) Link

Internet Layer IP Addressing

Another On-Line Sub_net Calculator Link
​On-Line subnet Calculator Link
​The convoluted output of "show ip dhcp binding"
​Seven Second Sub-netting Link

Transport Layer TCP/UDP

Browser with multiple  tabs each have unique source port Link
​PSH and URG flags Packet Life Link
URG Pointer in TCP link
PSH and URG link

Routing

Cisco ISR 4331 Router Link
​The cisco routing table explained
​Static Route Admin Distance and Metric explained Link

Configure a Router

Cisco USB Console Tips Link

Packet Delivery

​"show ip dhcp binding" Link explaining long hex addreses

Troubleshoot a Simple Network

Cisco IOS Traceroute (UDP) windows ICMP Link
ICMP Types and output codes Link
Cisco SLA (Service Level Agreement) Link

IPV6

IP address allocation role of RIR (Regional Internet Registries)
IPV6 Solicited Address Excellent example Link
IPV6 Excellent Links
IPV6 Another good multicast/solicitation Link
IPV4 to IPV6 Document
​Classifying IPV6 Addreses Link
Global Address Range 2000::/3 Link

Static Routing

VLAN's and Trunk's

Tagging Native Vlan Link
Changing the Default Vlan Link
Tagging Native VLAN and show output confusion Link
Understanding 802.1q Tunneling​
​Multiple L3 subnets per VLAN Link
Defaults on Switchport Trunk/Access   Link1      Link2

Inter VLAN Routing

Configure EtherChannel om a Router Video Link

OSPF

OSPF Area Types Link
Cisco OSPF Design Document Link
​OSPF Packets types ie LSU's Contains LSA's Link

Spanning Tree
Spanning Tree Diameter (default 7) Link
​PVST Setting the root primary looks at current value in BPDU's and set's it lower (secondary is a set value) Link

EtherChannel

Etherchannel Configuration, individual ports and port channel
​Layer EtherChannel Configuration on Cisco Switch Link
Configuring L2 switch port to L3 interface "no switchport"

Layer 3 Redundancy

HSRP Overview and Configuration Link
​HSRP V1 and V2 Differences Link
HSRP Gratuitous ARP Link
HSRP FAQs Link
GLBP Algorithm​

WAN

​SONET is not Dead Link
MPLS Explained Link
Intro to Carrier Network Architectures Link
good PDF explanation of MPLS Link
Good tutorial on the topic of PPPOE Link
MPLS and VPLS VPWS Link
​Cable Modem Termination System (CMTS) Link
How WiMAX works Link
Division Wavelength Division Multiplexing (DWDM) Link

ACL's

​Verify ACLs using the APIC-EM Path Trace ACL analysis tool

NAT

What this website reveals about you Link
NAT and NVI explained
More on NVI

QOS

QOS Models Link
​Diff Serv (Hop by Hop)  Int Serv (end/end) RSVP Link

Wireless Fundamentals

Wireless IEEE 802.11 Standard (Page 40) Link
UNII Vs ISM Bands 5 Ghz Link
​​802.11 Standards Link
Wi-Fi Channel Frequencies 2.4 GHz/5GHz Link  2ndLink

Virtualisation

Office 365, Azure (SaaS, PaaS, IaaS) Link
​Good example of the difference SaaS/PaaS/IaaS link
​Virtualisation Link Link2
​Containers App/OS Docker Link

Intelligent Networks

SDN & iWAN Link
SDN Vs Configuration Management Tools Link

ACI (Data Centre 2014) Compared to DNA Link (2017) Link
ACI APIC Link
DNA APIC-EM Link
​Expect Scripting Link
Custom Parsers Link
​Custom Parser Tool Link
YANG pdf Link
​Cisco Prime Vs Cisco DNA Center Link
Cisco Open SDN Controller Link
Orchestration (Automated config/Man) Puppet etc Link
Cisco SDN Link
​What is Cisco ACI (Application Centric Infrastructure) Link
Cisco DNA Architecture Link
Cisco DNA center Link

System Monitoring

MIB Browser tool (Cisco download) Link

Managing Cisco Devices

​Cisco MIB Walker

Security Threat Landscape

Attacks around the World
Bronze Soldier attack Estonia,
Human rights attacks and China,
HM Revenue & Customs lost accounts.
Mafia Boy DOS attack Feb/2000.
Anonymous attack against the Home Office.
Stuxnet attacks against atomic plants in IRAN.
Turkish Web site Hacking.
Spamming 350 million and the result = 28
E,T, A are the most common English letters in order of frequency
What is Phishing, redirection to malicious website, via email.
Vishing is as Phishing except via Phone.
Smishing is Phishing via SMS
What is Pharming, redirection to malicious website unknown (DNS/HOSTs)
Nimda Code Red 1999-2004, 
Conficker worm 2008,
​Stuxnet 2010,
NHS Attack May 2017 WannaCry Link

Threat Defense Technolgies

Default security levels "Inside" & "Outside"
ASAv VXLAN Interfaces (Layer 2 vlans extended over layer 3)
ASAv vNICs (10/ASAv)
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​FireSIGHT = Central Management FirePOWER = Real traffic analysis
Exploit CGI script on Web Server PHF
Obfuscation and Whisker attacks
​FireSIGHT Overview The Security Blogger
​Cisco FireSIGHT Management Centre
Talos researchers create threat intelligence for Cisco products Talos
​Cisco AMP (Advanced Malware Protection) for Endpoints & Network
AMP Endpoint Agent (Collector)
​​Really good PDF from Cisco giving Overview of SourceFire/FireSIGHT
Lab Minutes ASA FirePOWER Malware Detetction Lab
Anyconnect Web Security Client
Email Security Appliance (ESA)
Web Security Appliance (WSA)
​Cloud Web Security (CWS)
Data Loss Prevention (DLP)
SenderBase Email and Web Repuation old name SensorBase
Personally identifiable information (PII)
AsyncOS for Web 8.0 User Guide
AsyncOS for ESA 9.6 User Guide
​WSA User Guide PDF Search for "Decrypting HTTPS Traffic"

Securing Administative Access

Device Hardening

TCP and UDP Small Servers Link
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