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====== Miscellaneous ====== | ====== Miscellaneous ====== | ||
- | This page allows | + | In this menu, you can tweak some secondary, less critical |
- | **Boot Wait Time * :** This is the time period during which a router can be accessed using the included CFE webserver. This refers to the bootstrap portion of the process, or the loading of code before the Operating system loads. If you need to delay the s boot process (to stay in internal webserver CFE mode), change this setting. In rare circumstances, | + | \\ |
- | {{: | + | **Boot Wait Time * :** the time period during which you can access |
- | \\ {{: | + | This refers to the bootstrapping portion of the process, or the loading of code before the OS loads. If you need to delay the boot process |
- | CTF uses an alternative forwarding method | + | In rare circumstances, |
- | Note that **enabling | + | \\ |
+ | |||
+ | {{: | ||
+ | |||
+ | Only 10Mbps and 100Mbps speeds can be forced. For 1Gpbs, leave it at Autonegotiate. Not all models support this feature. | ||
+ | |||
+ | (Default: Autonegotiate). | ||
+ | |||
+ | \\ {{: | ||
+ | |||
+ | CTF lets bridges use an alternative forwarding method for storing/ | ||
+ | |||
+ | With CTF enabled, the router starts to send transmission frames as soon as the full packet header has been received. However, it relies on the client to tell it whether the data is corrupted for resend. This restriction can cause problems with a few common home uses. | ||
+ | |||
+ | \\ | ||
+ | |||
+ | **Enabling | ||
+ | |||
+ | With CTF disabled, the router stores the entire frame before sending it out to its destination. | ||
+ | |||
+ | When this happens: | ||
+ | |||
+ | * The holding period may require more of the router' | ||
+ | * WAN-to-LAN performance will depend more on the router model. | ||
+ | |||
+ | \\ | ||
+ | |||
+ | CTF/FastNAT is supported as follows: | ||
* ARM Routers (like the RT-AC68U, RT-AC3200, R7000) support CTF. | * ARM Routers (like the RT-AC68U, RT-AC3200, R7000) support CTF. | ||
* MIPS RT-N routers (like the E4200v1, RT-N16) can use Broadcom FastNAT | * MIPS RT-N routers (like the E4200v1, RT-N16) can use Broadcom FastNAT | ||
- | * FastNAT is a similar function to forward at accelerated speeds. | ||
* MIPS RT-AC routers (like the RT-AC66U) do not support CTF or FastNAT. | * MIPS RT-AC routers (like the RT-AC66U) do not support CTF or FastNAT. | ||
- | \\ | + | |
- | **Enable Jumbo Frames * :** This option allows | + | On ARM devices, |
- | The default | + | \\ **Enable Jumbo Frames:** lets you increase the maximum frame size on the LAN. (Default: Disabled). |
+ | |||
+ | The default Jumbo Frames | ||
+ | |||
+ | This feature is supported only in 1000 Mb/s mode. Also, gigabit switches use more memory when this feature is enabled. This can affect performance, | ||
+ | |||
+ | \\ | ||
- | The jumbo frames feature is only supported in 1000 Mbit/s mode. Also, a gigabit switch uses more memory when this feature is enabled. This will influence system performance, | + | **Jumbo Frame Size:** iIf enabled, this value overrides default frame size. |
- | **Jumbo Frame Size: | + | If disabled, default frame size is 2 Kbytes. (Default: off). Generally, enable Jumbo Frames if you frequently transfer large files within your LAN. To function, all devices must support Jumbo Frames. You should also standardize the packet size across all LAN devices. |
- | Generally, enable Jumbo Frames only if you frequently transfer large files within your LAN. To function, all devices must support | + | It is best to leave this disabled unless |
- | You are strongly advised to leave this disabled unless you have specific requirements for it. Venturing into Jumbo Frames means you'll have to deal with fragmentation of Internet traffic, unless the end device supports Path MTU Discovery. Users often find that the limited performance benefits of Jumbo Frames is not worth the time and effort needed to tune and troubleshoot it. | + | Not all hardware models support |
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