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advanced-misc [2022/01/05 12:44] – created rs232 | advanced-misc [2023/05/29 04:42] – -condense, undo last formatting hogwild | ||
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====== Miscellaneous ====== | ====== Miscellaneous ====== | ||
- | This page allows you to tweak some secondary | + | This page allows you to tweak some secondary |
- | **Boot Wait Time *** = Is the time period | + | **Boot Wait Time * :** This is the time period |
- | **WAN Port Speed *** = Enables | + | {{: |
- | [[https:// | + | |
- | **CTF (Cut-Through Forwarding)** If set, this will enable hardware acceleration. For example, | + | CTF uses an alternative forwarding method to Store and Forward in bridges. For example, |
- | **Enable Jumbo Frames | + | Note that **enabling CTF will disable QoS and Bandwidth Limiter**. This is because the switching part of the packet bypasses parts of the standard Linux iptable chains. |
- | **Jumbo Frame Size *** = There' | + | |
+ | * MIPS RT-N routers (like the E4200v1, RT-N16) can use Broadcom FastNAT | ||
+ | * FastNAT | ||
+ | * MIPS RT-AC routers (like the RT-AC66U) do not support CTF or FastNAT. | ||
- | [[https://wiki.freshtomato.org/lib/ | + | \\ |
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+ | **Enable Jumbo Frames * :** This option allows you to increase the maximum frame size within the LAN. (Default: Disabed). | ||
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+ | The default size for Jumbo Frames is 2000 bytes. If enabled, all ports (WAN + LAN) will have Jumbo Frame capability enabled. | ||
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+ | 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, | ||
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+ | **Jumbo Frame Size:** If disabled, the default frame size is 2000 bytes. If this is enabled, its setting overrides the default frame size setting (Default: off). | ||
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+ | Generally, enable Jumbo Frames only if you frequently transfer large files within your LAN. To function, all devices must support Jumbo Frames. Additionally, | ||
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+ | 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. | ||
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