mirror of
https://github.com/Anime4000/RTL960x.git
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84 lines
2.6 KiB
Markdown
84 lines
2.6 KiB
Markdown
# Slow Upload Speed
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The `slow upload speed` when ODI DFP-34X-2C2 in 2.5Gb mode, this is known issue in some ISP where ISP using another Realtek ONU beside RTL960x
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## Mikrotik GPON Flooding Mitigation
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Many Mikrotik devices, like the RB5009, can flood GPON with 2.5Gb links, exceeding GPON's 1.25Gb upload capacity. This can result in packet flooding and late discards. To mitigate this issue, consider applying the tweak mentioned by [
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Luckygecko1 @ Reddit](https://www.reddit.com/r/mikrotik/comments/14ky6s1/rb5009_poor_25g_ethernet_performance/jq0gjer/?utm_source=share&utm_medium=web3x&utm_name=web3xcss&utm_term=1&utm_content=share_button)
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## Realtek ONU
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ISP bought cheap ONU or ONR (Optical Network Router) and it using Realtek SoC where share similar to RTL960x, for example `D-Link DPN-FX3060V`
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[](https://pictr.com/image/EuA0cO)
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[](https://pictr.com/image/EuAPnr)
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## Wrong OMCI
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OLT send wrong OMCI value to ODI DFP-34X-2C2 which D-Link DPN-FX3060V is understand:
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### D-Link DPN-FX3060V
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```
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bandwidth get egress port all
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port: 0 rate:1024000
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bandwidth get ingress port all
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port: 0 rate:32767999
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port: 1 rate:32767999
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port: 2 rate:32767999
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port: 3 rate:32767999
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port: 4 rate:32767999
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port: 5 rate:32767999
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port: 6 rate:32767999
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port: 7 rate:32767999
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```
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### ODI DFP-34X-2C2
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```
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bandwidth get egress port all
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port: 0 rate:1048568
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queue: 0 apr-index: 0
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queue: 1 apr-index: 0
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queue: 2 apr-index: 0
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queue: 3 apr-index: 0
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queue: 4 apr-index: 0
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queue: 5 apr-index: 0
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queue: 6 apr-index: 0
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queue: 7 apr-index: 0
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port: 2 rate:4194296
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queue: 0 apr-index: 0
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queue: 1 apr-index: 0
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queue: 2 apr-index: 0
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queue: 3 apr-index: 0
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queue: 4 apr-index: 0
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queue: 5 apr-index: 0
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queue: 6 apr-index: 0
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queue: 7 apr-index: 0
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bandwidth get ingress port all
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port: 0 rate:1048568
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port: 2 rate:4194296
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```
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# Fixes
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You may try these
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## `OMCI_TM_OPT`
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```
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flash set OMCI_TM_OPT 0
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reboot
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```
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0. Priority controlled
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1. Rate controlled
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2. Priority and rate controlled
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## `diag`
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```
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/bin/diag port set auto-nego port all ability asy-flow-control
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/bin/diag bandwidth set egress port all rate 4194296
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/bin/diag bandwidth set ingress port all rate 4194296
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```
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* these will not survive across reboot!
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If these wont fix the issue, you can't use ODI DFP-34X-2C2, unless ODI fix the firmware.
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