The word "applicable" means "relevant to your situation" or "applies to you"
In network documentation and router settings, applicable means a feature, setting, or instruction is relevant to what you are trying to do. When you see "applicable" in a network guide or configuration menu, it is telling you whether something matters for your setup.
For example, if a router manual says "applicable to Ethernet connections only," it means that instruction or feature works only when you plug in a cable — not for wireless. If a network troubleshooting guide says "applicable if you are using DHCP," it means follow those steps only if your network assigns addresses automatically, not if you set them manually.
The word shows up most often in three places: feature lists that mark which devices support which functions, setup guides that tell you which steps you actually need to follow, and error messages that explain whether a problem affects your particular network type.
Key Takeaways
- Applicable means a feature, setting, or instruction is relevant to your specific network setup or device.
- In router manuals and network guides, applicable tells you which steps to follow and which to skip based on your configuration.
- When a feature is marked "not applicable," it means your device, network type, or connection method does not support it.
- Checking what is applicable to your setup before following instructions saves time and prevents mistakes.
Where you see "applicable" in network settings
Router admin panels and network configuration screens often show "N/A" or "not applicable" next to settings you cannot change. This usually means the setting does not exist for your router model, your connection type does not support it, or another setting must be turned on first.
For example, a router might show "QoS settings: not applicable" if your router does not have Quality of Service features. Or it might show "IPv6 settings: not applicable" if your internet service provider does not offer IPv6 addresses yet. The label tells you the option exists in the software but your hardware or service does not support it.
Network documentation uses applicable the same way. A setup guide for a managed switch might say "VLAN configuration applicable to models X200 and above" — meaning if you own an X100, you can skip that section entirely because your switch does not have that feature.
How to read "applicable" in troubleshooting guides
When a network troubleshooting guide lists steps, it often marks some as "applicable only if" or "applicable when." This tells you which steps match your situation and which do not.
A typical example: "Restart the modem (applicable to all connections)" means do this step no matter what. But "Check the DSL filter connections (applicable to DSL users only)" means skip it if you have cable internet. Reading these labels before you start saves you from following irrelevant steps and getting confused about why they do not work.
Some guides use a table format where each step lists what connection types it applies to — cable, fiber, DSL, or satellite. Others use conditional language like "if applicable" to mean "if this matches your setup, do this." Both are saying the same thing: this step matters for some readers but not others.
When a feature is marked "not applicable"
A grayed-out setting or a "not applicable" label means you cannot use that feature right now. The reason is usually one of three things: your device does not have that hardware, your internet service does not support it, or a prerequisite setting must be turned on first.
For instance, a router might show "Beamforming: not applicable" because your router model does not have the antenna technology that beamforming requires. Or "IPv6: not applicable" because your ISP has not activated IPv6 on your account yet. Or "Guest network: not applicable" until you first enable wireless on the main network.
If you see a setting marked not applicable and you think it should be available, check the router manual to see what the prerequisite is. Sometimes turning on a parent feature or updating the firmware will make the option available.
How "applicable" differs from "optional"
Applicable and optional are not the same thing. A setting that is optional means you can turn it on or off — it is your choice. A setting that is applicable means it is relevant to your setup; whether you use it is up to you, but you have the option.
A setting that is not applicable means you cannot use it at all, regardless of whether you want to. Your device, connection type, or service plan does not support it. There is no choice involved.
For example: "Enable WPA3 encryption (optional)" means your router supports it, and you can turn it on or leave it off. But "Enable WPA3 encryption (not applicable)" means your router does not have WPA3 at all, so the choice does not exist.
Reading feature lists with "applicable" labels
When comparing routers or network devices, spec sheets often list features with notes about what they apply to. A feature might say "applicable to 5 GHz band only" or "applicable to wired connections only."
These notes tell you whether the feature works for your use case. If you need a feature on the 2.4 GHz band and it is marked "5 GHz only," that device will not do what you need. If you need a feature for wireless and it is marked "Ethernet only," you will have to use a wired connection to access it.
Reading these labels before you buy or configure a device prevents surprises later. A feature that sounds useful is only useful if it is applicable to how you actually use your network.
Frequently Asked Questions
What does "not applicable" mean in a router settings menu?
It means that setting does not exist for your router model, your internet service does not support it, or another setting must be enabled first. You cannot change it because your hardware or service plan does not have that capability.
If a network guide says something is "applicable to cable users," do I need to follow it if I have fiber?
No. If the guide says a step is applicable only to cable users and you have fiber, skip that step. It will not help your setup and may cause confusion. Follow only the steps marked as applicable to your connection type.
Can I make a "not applicable" setting available by updating my router?
Sometimes. A firmware update might add features to your router, making previously unavailable settings applicable. Check your router manufacturer's website for updates. However, if a feature requires hardware your router does not have, no update will enable it.
Does "applicable" mean I have to use that feature?
No. Applicable means the feature is available and relevant to your setup. Whether you actually use it is optional. You can have an applicable feature turned off if you do not need it.