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Catching up on Comments: Mid-May 2022

Catching up on Comments: Mid-May 2022

Catching up on Comments: Mid-May 2022

🕔09:01, 4.May 2022

Hello again to all you regular folks here at my blog! I’m back, working a little here and there in May. This brief post is to let you know I’ll be answering your comments in the coming days. Sorry for

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Comment Process While I’m Out (April/May 2022)

Comment Process While I’m Out (April/May 2022)

🕔10:45, 31.Mar 2022

Hello to all you regular folks here at my blog! I’ll be away from the blog from now through all of April, through Mid-May, 2022. I won’t be checking your comments during that time, and because I run a one-person

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IPv6 Drill 3

IPv6 Drill 3

🕔09:05, 11.Feb 2022 For this next IPv6 addressing drill, you begin with a prefix configured on a router LAN interface using the ipv6 address prefix-id/64 eui-64 command. Your job: calculate the Global Unicast Addresses (GUA) and Link-Local Address (LLA) used on the interface Read Full Article
IPv6 Drill 2

IPv6 Drill 2

🕔09:05, 10.Feb 2022 This post gives you an exercise with five different problems. Each begins with an expanded IPv6 Global Unicast Addresses (GUA). For each problem, start by abbreviating the address. Then find the IPv6 subnet ID (aka the prefix ID), both in Read Full Article
IPv6 Drill 1

IPv6 Drill 1

🕔10:25, 2.Feb 2022 This post gives you an exercise with five different problems. Each begins with an expanded IPv6 Global Unicast Addresses (GUA). For each problem, start by abbreviating the address. Then find the IPv6 subnet ID (aka the prefix ID), both in Read Full Article
CCNA Crash Course Student QA Post

CCNA Crash Course Student QA Post

🕔14:25, 31.Jan 2022 CCNA Crash Course - Q&A Post I teach a CCNA course on O'Reilly Online titled "CCNA Crash Course". During the multi-day course, if students have questions, they can come here to ask follow-up questions. Simple enough. Note: When you add Read Full Article
Announcing: New Config Labs, with Packet Tracer and CML Support

Announcing: New Config Labs, with Packet Tracer and CML Support

🕔12:05, 18.Oct 2021

Some of you, particularly those that subscribe to the blog, will have noticed a lot of posts here at the blog in mid-October 2021. I thought I’d give you a quick update on what I’m doing here to preempt some

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Config Lab: Pat w/ a Pool 1

Config Lab: Pat w/ a Pool 1

🕔15:05, 15.Oct 2021 Configuring PAT with a pool of inside global addresses combines almost everything you can possibly configure with NAT in a Cisco router. Look at the requirements in this latest lab and put together your own configuration, with a pool and Read Full Article
Config Lab: Interface PAT 1

Config Lab: Interface PAT 1

🕔13:05, 15.Oct 2021 PAT – Port Address Translation – plays a huge role in IPv4 networks. Today’s post looks at the simpler of the two configuration options for router NAT configuration: a single router interface IP address as in the inside global address. Read Full Article
Config Lab: Dynamic NAT 1

Config Lab: Dynamic NAT 1

🕔11:05, 15.Oct 2021 Dynamic NAT – specifically, dynamic NAT without also doing PAT – creates a 1-to-1 mapping between an inside local address and an inside global address. Unlike static NAT, however, dynamic NAT does not pre-determine the specific IP addresses to map. Read Full Article

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