# Lab: Using IS-IS Metrics

DevFeed: [Lab: Using IS-IS Metrics](<https://devfeed.tech/articles/lab-using-is-is-metrics-11098.md>)

Original publisher: [Read original article](<https://blog.ipspace.net/2024/11/isis-metrics/>)

Published: 2024-11-12T05:58:00Z

Content type: tutorial

Language: en

Sources: [ipSpace.net blog](<https://devfeed.tech/sources/ipspace-net-blog.md>)

Topics: [IS-IS](<https://devfeed.tech/topics/is-is.md>)

Tags: [blog-post](<https://devfeed.tech/tags/blog-post.md>), [is-is](<https://devfeed.tech/tags/is-is.md>), [netlab](<https://devfeed.tech/tags/netlab.md>), [wide](<https://devfeed.tech/tags/wide.md>)

## AI overview

The article introduces a lab exercise on IS-IS metrics and notes that wide metrics were standardized in RFC 3784 in 2004, while many vendors still default to narrow metrics.

## Source excerpt

It's time for another "the vendor IS-IS defaults are all wrong" blog post. Wide IS-IS metrics were standardized in RFC 3784 in June 2004, yet most vendors still use the ancient narrow metrics as the default setting. Want to know more? The Using IS-IS Metrics lab exercise provides all the gory details.