Extended IPv4 ACL Drill 2
This next Extended IPv4 ACL Drill continues to focus on some key ACL concepts. You have to think about where the ACL will reside, and for what direction of packet flow, before choosing the syntax of the commands. This next
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Posts From certskills
Extended IPv4 ACL Drill 1 – Answers
The previous post listed a set of ACL requirements that require an IPv4 Extended ACL. Your job: using those requirements, configure an extended named ACL. Of course, this post makes no sense without the post that states the requirements, so check
Extended IPv4 ACL Drill 1
Extended Access Control Lists (ACLs) can be a challenge for many reasons. In the first few posts in this series, these ACL exercises will focus on just a few of those issues. In particular: The concept and syntax to match
Advice After 17 Trips to CLUS
I’ve been to Cisco Live in the US – #CLUS in the Twitterverse – for what seems like almost every year since I was a kid. So, I thought I’d collect some thoughts about the show into a blog post.
IPv6 Shrinker 1 – Answers
Use this practice drill for #ICND2 or #CCNA IPv6 practice. Short and sweet: look to the earlier post with 10 practice problems, and today’s post for the answers. The goal: to get good, and to go fast, when converting IPv6
IPv6 Shrinker 1
Looking for short #ICND2 or #CCNA review tasks? This new practice drill can help. The short version: take a 32-digit hex IPv6 address, and find the shortest abbreviation – or do the opposite. The goal: to get good, and to
IPv6 Icky EUI-64 Drill 1 – Answers
Short and icky sweet: this post lists answers for the icky EUI-64 drill 1 for #ICND2 and #CCNA. The problems require you to find the IPv6 address a host or router would use, given a prefix, MAC address, and assuming
IPv6 Icky EUI-64 Drill 1
This post starts a new type of review post for #ICND2 or #CCNA: the icky EUI-64 drill. It’s icky for two reasons: it requires you to think in binary, and it rhymes. The goal: Starting with a MAC address and
CLI Vs API Twitter Chat
The Cisco SE organization and Cisco DevNet are teaming up to hold a Cisco Chat about CLI and API. It has a catchy title: “Have APIs Killed the CLI?”. This blog post gives some short background, with a survey so
Troubleshooting Layer 2 Switching: Answers
Can you think abstractly about how layer 2 switching works, and how VLANs and trunks impact their forwarding decisions? Or do you need to see the specific configurations to make sense of it? This latest practice question pulls in a
