C-+Non-Cisco-Links

ITIL Abbreviations [|ITIL Abbreviations] [|ITIL Acronyms]

QoS [|Summary of QoS Features Supported by Catalyst Platforms] [|Network QoS using Cisco HOWTO] [|DSCP & TOS] [|Qos Values Calculator] [|CCIE Catalyst QoS video] [|Campus QoS Design — Simplified] [|The Meaning of Bc with Traffic Policing] [|Understanding Single-Rate and Dual-Rate Traffic Policing] [|Policing versus shaping] [|Basic QoS part 1 – Traffic Policing and Shaping on Cisco IOS Router] [|Basic QoS part 2 – Catalyst 3560 QoS]

General [|RIPE NCC] [|Routing Table Principles] [|IOS Random IPv4 & IPv6 Route Generator in TCL] [|How do I compute complex wildcard masks for access-lists?] [|Rogers CCIE Blog] [|A Networker Blog.-] [|Dealing with Fragmented Traffic] [|Understanding the “network” statement in IGP configuration on Cisco routers] [|Routing-Split horizon,Route Poison, Convergance] [|How to configure Static Routes, Default Routes, Floating static routes] [|Routing Protocol Authentication Concepts and Configuration] [|Summary Routes To Null0 & The Protocols That Love Them] [|Network Layer Protocol Identifiers (NLPIDs) of Interest] [|Listing open sockets on IOS] [|Netstat for Cisco Routers] [|Cisco IOS Forensic] [|Router Input Queue] [|/30 addressing shortcut] [|Using /31 subnets on point-to-point links] [|10 things you can do with the Cisco IOS service command] [|Calculating IPv4 Summary Prefixes] [|Access-List to match Even or Odd networks]

Administrative Distance [|Administrative distance & Route preference Comparison between Cisco,Juniper, HP, Huawei Routers] [|HP Route Preference (Administrative Distance)]

SSH [|Configuring SSH (Secure Shell) for Remote Login on a Cisco Router]

Gateway of Last Resort [|Default routing orignation in OSPF, EIGRP, RIP and BGP]

Security [|Steps to configure an IPSEC site to site VPN on a Cisco IOS device] [|Journey into cryptography] [|Debugging IPSec VPN’s.] [|Why disabling ICMP unreachables is a bad thing] [|Disabling unreachables breaks PMTUD] [|MTU Size Issues] [|Packet Transport and Fragmentation] [|The basics – MTU, MSS, GRE, and PMTU] [|IPsec] [|Configuring Site to Site IPSec VPN Tunnel Between Cisco Routers] [|Configure Site to Site IPSec VPN Tunnel in Cisco IOS Router]

Martian & Bogon [|IPv6 Martian and Bogon Filters] [|The Bogon Reference]

RTBH [|Remotely-Triggered Black Hole (RTBH) Routing]

uRPF [|Unicast Reverse Path Forwarding uRPF]

PfR [|PfR (Cisco Performance Routing)] [|Cisco Performance Routing (PfR) / Optimized Edge Routing (OER) – Part 1] [|Cisco Performance Routing (PfR) / Optimized Edge Routing (OER)] [|Understanding Performance Routing]

Alias [|Cisco router command aliases] [|Enter commands more efficiently with Cisco command aliases]

CEF [|Per-port CEF load sharing] [|CEF load sharing details] [|How to Choose the Best Router Switching Path for Your Network]

T1/E1 [|E1 PRI configuration on Cisco Router]

Tunneling [|Configuring Point-to-Point GRE VPN Tunnels - Unprotected GRE & Protected GRE over IPSec Tunnels] [|GRE vs IPIP Tunneling]

NAT [|NAT Cisco IOS] [|ip nat pool] [|Set up NAT using the Cisco IOS] [|How to Configure NAT & PAT on a Cisco Router] [|Configuring NAT Overload On A Cisco Router]

NTP [|Cisco Network Time Protocol Configuration] [|Cisco Router – Configuring NTP Client and Server][|Cisco Router – Configuring NTP Client and Server] [|Cisco router - NTP Server (master and client)] [|Configuring NTP Time Synchronization on Cisco IOS Edge Routers] [|Configuring NTP on a Cisco Router]

DNS [|How To Configure DNS Server On A Cisco Router]

DHCP [|How To Configure DHCP Server On A Cisco Router]

HTTP Server [|A look at using cisco HTTP server for software downloads]

High CPU [|High CPU on a Catalyst switch running IOS]

Distribute Lists [|Using Extended Access-Lists In A Distribute-List] [|RIP Distribute-lists and the Extended ACL]

XModem [|XModem with SecureCRT]

IPv6 [|Internet Protocol Version 6] [|IPv6 Address Autoconfiguration and Stateless DHCPv6] [|IPv6 at Home – Prefix Delegation] [|Stateful DHCPv6 Prefix delegation] [|How to Configure a Cisco Delegating Router for Prefix Delegation] [|IPv6 neighbor discovery] [|EUI-64 in IPv6] [|IPv6 Link-Local Addresses] [|IPv6 Address Types] [|IPv6 Access Lists on IOS] [|Ipv6 QoS] [| IPv6 multicast over IPv6 IPSec VTI] [|IPv6] [|IPv6 Summarization] [|Can’t remember the IPv6 6to4 conversion?] [|IPv6 general prefixes] [|CCIE R&S Prep: IPv6 Part 1] [|CCIE R&S Prep: IPv6 Part 2] [|CCIE R&S Prep: IPv6 Part 3] [|Understanding IPv6 NAT-PT] [|Ipv6 NAT-PT Transition] [|IPv6 Default Router Preference] [|Simple IPv6 Multicast Configuration] IPv6 Tunnels [|IPv6 Transition Mechanisms Part 1: Manual Tunnels] [|IPv6 Transition Mechanisms Part 2: GRE/IPv4 Tunnels] [|IPv6 Transition Mechanisms Part 3: 6to4 Tunnels] [|IPv6 Transition Mechanisms Part 4: ISATAP Tunnels] [|6to4 IPv6 Tunneling] [|Manual IPv6 GRE tunnel over IPv4] [|How to configure an IPv4 GRE tunnel to carry IPv6 traffic] [|Ipv6 ISATAP tunneling]

IPv6 Redistribution [|Understanding How Route Redistribution Works in IPv6] [|IPv6 routing protocol redistribution] [|IPv6 Redistribution: "Include-connected" keyword]

IPv6 Multicast [|Static RP, BSR RP, Embedded RP, oh My! IPv6 Multicasting] [|BSR IPv6 Multicast, are you a candidate?] [|Embedded RP- IPv6 multicast tips and tricks ( Part 3)] [|IPv6 Multicast – Multicast Listener Discovery (MLD)]

RIPng [|RIP for IPv6: RIPng Configuration] [|RIPv6 Commands]

EIGRP IPv6 [|Basic EIGRP for IPv6 Configuration]

OSPF IPv6 [|OSPFv3 Configuration – OSPF for IPv6] [|IPv6 and OSPFv3]

RFC´s [|OSPF Version 2]

AFI/SAFI [|Address Family Numbers] [|SAFI Values]

VTP [|VTP v3]

6500 & 4500 VSS [|VSS Configuration] [|Cisco VSS configuration] [|6500 VSS] [|VSS on Cisco 4500/4500X Switches]

TLC Scripts [|Simple Tcl Script Ping Test] [|Tcl Developer] [|IOS Scripting with Tcl]

Regular Expressions [|Regular expressions in Perl] [|Regular Expression Examples] [|BGP Regular Expression] [|Regular Expressions - User Guide] [|Learning Regular Expressions for Beginners: The Basics] [|RegExrv2.0] [|Regular Expressions Cheat Sheet] [|Understanding BGP Regular Expressions] [|BGP Regular Expressions] [|Using Regular Expressions] [|Extracting BGP info with regular expressions]

Prefix [|Understand Prefix-List Logic With Examples] [|Understanding IP prefix lists] [|How do prefix-lists work?]

When using the GE and LE values, you must satisfy the condition: prefix-list "length < ge value <= le value <= 32"

MPLS [|MPLS Layer 3 VPNs] [|Basic MPLS] [|Basic MPLS with VRF, RD, and BGP VPNv4] [|VRF Export Maps] [|export and import map] [|VRF Import map / Export map] [|Creating an MPLS VPN]

VRF [|Using BGP with VRF-Lite for Shared Service Support] [|Multi-VRF (VRF-Lite) With OSPF and BGP] [|How to use VRF] [|VRF Route Leaking] [|Multi-VRF redistribution (a.k.a. route leaking between VRFs)] [|VRF-lite route leaking] [|VRF Route Target] [|VRF Basics] [|VRF and VRF-lite] [|Inter-VRF Routing with VRF Lite]

IOS-XR [|How to do Turboboot (booting from tftp in rommon) – IOS-XR?] [|IOS XR Introduction]

Netflow [|How to Use NetFlow as Your Network Traffic Analyzer] [|How to Configure NetFlow on Cisco Routers] [|How to Export Netflow Data on a Cisco Router] [|show ip flow top-talkers] [|Enabling Flow Top Talkers] [|Cisco ASR 1000 NetFlow configuration] [|How to configure NetFlow on the Cisco ASR]

AAA & TACACs [|Basic AAA Configuration on IOS] [|New-Style TACACS+ Configuration] [|AAA Basics – Part 1]

Spanning-tree [|BPDU Guard and Filter] [|Spanning Tree Protocol (STP) takes root] [|Conﬁguring the Switch Priority of a VLAN] [|Understanding MSTP] [|MSTP Tutorial Part I: Inside a Region] [|MSTP Tutorial Part II: Outside a Region] [|RSTP synchronization – behind the scenes] [|Understanding STP and RSTP Convergence] [|Understanding and Mitigating the Effects of Count to Infinity in Ethernet Networks] [|Understanding Spanning-Tree Port-Priority] [|Need some help in Understanding RSTP Convergence Process] [|RSTP Synchronization – A detailed guide]

PPP [|PPP in brief] [|How-to: Configure PPP authentication Part1 (PAP)] [|How-to:Configure PPP authentication Part2 (CHAP)] [|Configuring PPPoE] [|Example Configurations for PPP over Ethernet (PPPoE)] [|PPP Authentication Review] [|PPP CHAP Authentication Question] [|Troubleshooting PPP Internet Connection On A Cisco Router] [|Quick Guide of Configuring Cisco router for PPPoE using external modem] [|Understanding and Configuring Cisco Router PPP Multilink] [|Configuring Multilink PPP] [|What is Point-to-Point – PPP Explained with Examples] [|PPP Protocol and Encapsulation method Explained] [|Multilink PPP Interleaving Configuration]

Policy-Based Routing (PBR) [|PBR: Route a packet based on source IP address]

IP SLA [|Configuring Static Route Tracking using IP SLA (Basic)] [|IP SLA Basics] [|IP SLA Concepts (Part 1)] [|IP SLA Examples (Part 2)]

EEM [|Changing configuration with EEM] [|EEM 3.0 – Variable Logic Pt #1] [|EEM 3.0 – Variable Logic Pt #2]

HSRP [|HSRP – No longer for the weak of heart]

VRRP [|VRRP – Virtual Router Redundancy Protocol]

Syslog [|Logging in Cisco IOS]

LFA [|Loop-Free Alternate: OSPF meets EIGRP]

Concepts [|Knowledge Base] [|Top of Rack vs End of Row Data Center Designs]

Good Network Sheets [|Packetlife.net]

FastEthernet [|Fast Ethernet]

Tech Stuff [|Tech Stuff] [|Rogers CCIE Blog]

Bitwise Operators [|How Bitwise XOr works] [|How Bitwise And works] [|Bitwise Operators]

IP Class Ranges [|IP address classes]

Datasheets (Good info) [|Index of /datasheets]

MAC address [|MAC Address Types] Note: look for section 1.5 (MAC Address Formats)

Nexus [|Configuring Back-to-Back vPCs on Cisco Nexus Switches] [|Cisco Nexus 7000 Features Available on Modules] [|Full-tilt boogie networking: Cisco’s FabricPath vs. IETF TRILL] [|OTV Decoded – A Fancy GRE Tunnel] [|What is Overlay Transport Virtualization?]

GETVPN [|GET VPN with pre-share keys – configuration example] [|Minimalistic GET VPN Example] [|GET VPN, it is all about group]

Dampening [|Optimizing IP Event Dampening] [|BGP Dampening] [|BGP Route Flap Dampening]

ODR [|What is ODR – On Demand Routing] [|Configuring Cisco On-Demand Routing (ODR)]

BGP [|BGP Order of Preference] [|BGP Decision Process] [|BGP best path selection] [|BGP security: announcing prefixes without authorization] [|Understanding BGP Outbound Route Filtering (BGP ORF)] [|BGP Routing Table Analysis Reports] [|Hot,Cold, Mash Potato Routing and BGP Route Reflector Design Considerations] [|What is a BGP RIB failure] [|Rib-failure BGP] [|Why BGP Uses TCP and IGPs Don't] [|BGP at 18: Lessons In Protocol Design] [|BGP Aggregate Addresses] [|Understanding BGP Convergence] [|Understanding Third-Party Next-Hop] [|BGP Route Reflector Basics] [|BGP Confederations – How, What and Why] [|BGP Confederation vs Route Reflector] [|BGP Route Reflectors and Confederations] [|BGP Advertise Map with Exist and Non-exist Map] [|BGP Conditional Advertisement] [|BGP Conditional Route Injection] [|graceful shutdown of BGP sessions] [|Shut down BGP session based on tracked object] [|Understanding BGP communities] [|The misteries of the “Internet” BGP community] [|BGP Essentials: BGP Communities] [|Using BGP communities to influence routing] [|Understanding BGP Communities] [|BGP Route Refresh and Soft-Reconfiguration for Inbound Policy Update] [|BGP Route Refresh Capability] [|Route Refresh vs Soft Reconfiguration] [|BGP Outbound Route Filtering] [|Understanding BGP Outbound Route Filtering (BGP ORF)] [|ORF (Outbound Route Filtering)] [|BGP Listen Range Command] [|BGP dynamic peers cisco-style] [|A tip on BGP route-refresh] [|BGP router-id do you need a interface ip_address] [|BGP Dynamic Neighbors] [|BGP peer templates] [|Real Life BGP Route Origination and BGP Next Hop Intricacies] [|Automatically Converting to MBGP Syntax on IOS] [|BGP: Things to remember] [|Interpreting Address Output from "show ip bgp ip-address" command] [|Understanding Default Routing With OSPF NSSAs] [|iBGP Route-Reflector Loop Prevention] [|BGP route reflectors] [|BGP Route Reflectors] [|BGP AS_PATH Attribute] [| BGP best path selection algorithm (Cisco specific)] [|BGP route aggregation - part 1] [|BGP route aggregation - part 2] [|BGP Aggregate as-set] [|BGP Aggregate-Address] [|BGP Backdoor] [|BGP next hop processing] [|third-party next-hop in bgp] [|Tuning BGP] [|BGP Update Generation - Part 2] [|Implications of BGP local-as on IOS] [|BGP Route-Map Policy List Support] [|Route-Maps As BGP Filters] [|Understanding BGP MED and BGP Deterministic MED] [|BGP Deterministic-MED] [|BGP Always-Compare-Med] [|BGP Path Hunting/Exploration]

OSPF [|OSPF and MTU Mismatch] [|OSPF inter-area and intra-area routing rules] [|OSPF – The Interface State Machine] [|Technical Overview of OSPF] [|OSPF Packet Types] [|OSPF area types] [|OSPF network types] [|Understanding OSPF Network Types] [|Understanding OSPF External Route Path Selection] [|OSPF Forward Metric] [|OSPF Prefix Filtering using Forwarding Address] [|OSPF – Understanding the Forwarding Address (FA)] [|OSPF Route Filtering Demystified] [|OSPF filtering: inter-area versus intra-area] [|Tuning OSPF Performance] [|OSPF filtering: inter-area versus intra-area] [|OSPF Fast Convergence] [|Which area type do you prefer: Normal, Stub, Totally Stub, NSSA or Totally NSSA?] [|OSPF LSA Types Explained] [|CCIE study: OSPF Sham Link] [|Using OSPF sham-links on a basic MPLS VPN] [|OSPF: Things to remember] [|OSPF Authentication Enhancements] [|OSPFv2 Authentication Confusion] [|OSPF Authentication] [|OSPF Areas, Part 1, The Backbone Area] [|OSPF Areas, Part 2, Normal and Stub Areas] [|OSPF Areas, Part 3, the Totally Stubby Area] [|OSPF Areas, Part 4, the Not-So-Stubby Area] [|OSPF Areas, Part 5, the Totally Not-So-Stubby Area] [| Interpreting the OSPF Database::Part I] [| Interpreting the OSPF Database::Part II] [|OSPF – Becoming one with the LSDB…] [|show ip ospf database] [|Ten commands for troubleshooting OSPF] [|OSPF Type-1 Router-LSA] [|OSPF router-LSA] [|OSPF – Why are Router LSA P2P links so complicated?] [|OSPF – Lingering LSAs from unreachable routers] [|Troubleshooting OSPF network type mismatches against a Backbone device] [|THE DARK SIDE OF OSPF TRANSIT CAPABILITY (1)] [|THE DARK SIDE OF OSPF TRANSIT CAPABILITY (2)] [|THE DARK SIDE OF OSPF TRANSIT CAPABILITY (3)] [|Understanding OSPF Transit Capability] [|How OSPF transmit capability can prevent virtual-link routing loops] [|STUB Areas] [|OSPF NSSA Translator Election & Forwarding Address] [|Limit a Summary / Redistributed Route to NSSA only (Stop 7/5 Translation)] [|Configuring OSPF - area range vs summary-address] [|OSPF Prefix Suppression] [|OSPF Prefix Suppression] [|OSPF Virtual Links and Max Cost] [|OSPF max-metric command] [|OSPF – how max-metric works] [|Filtering OSPF Areas in OSPF] [|OSPF stub router advertisement] [|OSPF - "discard-route"] [|OSPF Distance vector behaviour] [|OSPF internal route summarization] [|OSPF: area range v.s. summary address] [|OSPF Deep Dive] [|OSPF Acknowledgments] [|OSPF Neighbors and Adjacencies] [|OSPF LSA Types] [|Inserting default route into OSPF]

EIGRP [|draft-savage-eigrp-05] [|EIGRP Feasibility Condition] [|EIGRP Terminology] [|EIGRP Metric] [|EIGRP Feasible Successor Routes] [|EIGRP Metric Calculation Formula] [|EIGRP Query Scoping] [|A Closer Look at EIGRP Updates and Topology Table] [|EIGRP: Things to remember] [|EIGRP] [|What is EIGRP] [|Secrets Of The EIGRP Offset-List Command] [|What the Heck is EIGRP Named Configuration?] [|EIGRP Enhancements] [|EIGRP WIDE METRICS] [|Understanding EIGRP named mode wide-metric computation] [|Computed vs Reported distance] [|EIGRP SIA-Query and SIA-Reply] [| Preventing and Diagnosing EIGRP Stuck-in-Active Issues with Route Explorer] [|Cisco EIGRP metric calculation simplified– the eyes have it!] [|EIGRP – Summarization & Leak-map] [|EIGRP Wide Metrics and the Five 1s Trick]

IS-IS [|IS-IS] [|IS-IS Route Leaking] [|ISIS Route leaking and backdoor]

RIP [|RIPv2: Things to remember] [|How basic are RIP timers?] [|RIP protocol Timers] [|RIP Summarization] [|rip: seperate ways to inject a default-route] [|RIPv2 route filtering]

Redistribution [|Redistributing Default Route in OSPF] [|Things to remember on Redistribution] [|Using Seed Metric during route redistribution] [|Route Redistribution: OSPF] [|Redistribution seed metrics] [|How to configure Redistribution between EIGRP and RIP] [|Redistribution into EIGRP with Route Maps] [|Understanding Redistribution (Part I)] [|Understanding Redistribution (Part II)] [|Understanding Redistribution (Part III)] [|BGP to EIGRP Redistribution Caveats]

DMVPN [|DMVPN Explained] [|DMVPN Phase 3] [|Dynamic Multipoint VPN (DMVPN)] [|DMVPN - Part 2, BGP with dyanmic neighbors] [|BGP Routing in DMVPN Access Network] [|BGP routing in Phase I DMVPN] [|Scaling BGP-Based DMVPN Networks] [|Different DMVPN phases] [|The Fundamental Difference between Phase 2 and Phase 3 DMVPN] [|Configuring Cisco Dynamic Multipoint VPN (DMVPN) - Hub, Spokes, mGRE Protection and Routing - DMVPN Configuration] [|Introduction to Multipoint GRE and NHRP] [|DMVPN] [|Quality of Service for VPN Part 3 – DMVPN]

Multicast [|IP Multicast Overview] [|PIM-SM Multicast Routing Protocol] [|Bidirectional PIM, Bidir-PIM] [|PIM crash course] [|Configuring Bidirectional PIM] [|Source Specific Multicast (PIM-SSM)] [|Cisco SSM(Source Specific Multicast) configuration example] [|Configuring Multicast BGP] [|BGP - Configuring mBGP (Multicast BGP)] [|Rethinking mroutes; Multicast BGP] [|Understanding static multicast routes] [|Understanding IGMP Snooping and Multicast Forwarding] [|What is IGMP Querying and IGMP Snooping and why would I need it on my network?] [|Troubleshooting Multicast RPF Failure] [|Troubleshooting multicast – RPF failure] [|Multicast mtrace command] [|Multicast – PIM Assert Mechanism] [|Understanding BSR Protocol] [|Troubleshooting Multicast Routing] [|CCIE R&S Multicasting notes] [|Basic Multicast part 4 – PIM Sparse Mode – BSR and Multicast Security] [|Basic Multicast part 5 – PIM SSM and SSM mapping] [|Basic Multicast part 6 – Anycast RP] [|Multicast – SSM mapping] [|IP Multicast Boundary] [|Basic MSDP configuration] [|MSDP & its operation] [|MSDP and Inter-domain multicast] [|MSDP with Anycast RP] [|Configuring Anycast RP] [|ip multicast (pim sparse mode) over gre tunnels] [|PIM Dense Mode] [|LANSpecific Issues with PIMDM and PIMSM] [|Multicast - PIM DR election] [|Cisco IGMP Filtering] [|Source Specific Multicast (SSM) and IGMP filtering] [|Multicast - DR and Querying Router] [| Many to Many Multicast – PIM BiDir] [|IP Multicast Concepts, Design and Troubleshooting]

Cable [|What is a Plenum Rated Cable?]

Capture [|VLAN capture setup] [|Captures] [|Cisco Device Packet Capture] [|IOS Embedded Packet Capture] [|How to Capture Packets on your Cisco Router with Embedded Packet Capture - Configuration, Troubleshooting & Data Export] [|Cisco ASR sniffering]

3750X [|Configuring Stack Power, what they DON'T tell you]

IP calculator [|IP Calculator] [|IP Subnet Calculator] [|Network Calculators] [|IP Address Calculators]

HP Network Adapter Teaming [|HP ProLiant Network Adapter Teaming Explained] [|HP ProLiant Network Adapter Teaming]

Server Adapter Teaming Google Search for: HA Connectivity for Servers and Mainframes: NIC Teaming and OSA/OSPF Design and download the PDF or [|NIC Teaming and Cisco switch config] and dowload the PDF

TCP throughput [|How to Calculate TCP throughput for long distance WAN/MAN links] [|How to Calculate TCP throughput for long distance WAN links] [|TCP Throughput Calculation Formula]

Other links: [|Measure exact throughput of any TCP IP network] [|How to Calculate Throughput] [|How to measure throughput speeds on individual packets?]

Bandwidth Calculator [|File Transfer Time - Data Transfer Speed Calculator] [|Bandwidth Calculator]

TCP/IP info [|Understanding TCP Sequence and Acknowledgment Numbers] [|The TCP/IP Guide] [|RFC 1323 - TCP Extensions for High Performance] [|Well known SCTP, TCP and UDP ports, 0 through 999] [|TCP Windows and Window Scaling] [|TCP Throughput Considerations] [|RFC 879 - TCP maximum segment size and related topics] [|Description of Windows 2000 and Windows Server 2003 TCP Features] [|Transport Layer] [|TCP Flags: PSH and URG] [|TCP Selective Acknowledgments (SACK)] [|TCP] [|The basics – MTU, MSS, GRE, and PMTU] [|IP MTU and TCP MSS Missmatch – an evil for network performance] [|Path MTU Discovery]

Wireshark [|How to Decrypt SSL and TLS Traffic Using Wireshark] [|Wireshark: Listening to VoIP Conversations from Packet Captures]

ARP [|Address Resolution Protocol (ARP)] [|How ARP works]

Traceroute [|Understanding Traceroute] [|Networking Basics: Traceroute and Ping Overview]

PXE [|What is PXE?] [|PXE Modes of Operation]

NetDR [|Netdr] [|NetDr Command]

Public DNS Servers [|DNS Servers] [|DNS Servers]

Windows Commands [|Useful WMIC Queries]

Private VLAN [|Private VLANs Revisited] [|Private VLANs on Trunks and SVIs]

LLDP [|Sample Configuration for using LLDP with Cisco Catalyst 4500 or 3750 Switches for VLAN assignment to Avaya 4600 Series IP] [|How to use LLDP-MED with IP phones and ProCurve switches]

Dot1X [|Implementing 802.1x on Wireless Networks with Cisco and Microsoft] [|A simple wired 802.1X lab]

SurfControl/Websense [|SurfControl Web Filter Is Installed on the Destination Port and Cannot Block Traffic] [|SurfControl Web Filter]

Checkpoint [|High Availability]

UCS [|Cisco UCS Networking Best Practices (in HD)] [|Cisco UCS Director: Part 1] [|Cisco UCS Director: Part 2] [|Cisco UCS Director: Part 3] [|Cisco UCS Director: Part 4 – Workflows] 