GLC-XX-XM= vs GLC-XX-XMD=

When configuring bill of materials, some times ago, in Cisco’s Nextgen configuration tool available in commerce workspace, I found a new fiber modules in the option list. Tried to investigate what are those and that leads to the below findings.
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Guest access and Captive portal

Recently I consulted for a wireless case at a popular hospital at Chennai. Had a long discussion with customer about their existing network and budding requirement for wireless. We spoke about how good for a hospital to use wireless. We spoke about how patients who suffered to be in hospital premises drastically will feel better to have some outside connection via Internet. But limited, accounted and secure internet connection should be provided under his doctor’s permission. Guest access and Captive portal are the way to provide these¬†functionality¬†to their gonna-implement wireless infrastructure. Below are summarized points that I have documented from our discussion.

What is Guest access and Captive Portal?

Have you ever been at a free Wi-Fi zone? Have you ever tried to access Wi-Fi service provided in Hotels like Raintree, Lemontree, Hilton, Hyatt?

If you have, then you must have seen a login page like this.
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