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63540
63709
8886693
8886698

ABSOLUT
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show[ 2 | 3] flat
len pre objasnenie:
takze mas router, ktory ma niekolko LAN portov. do jedneho z tychto LAN portov mas pripojeny laptop pomocou kablu. teraz si natiahol novy kabel, nakrimpoval si koncovky, pricom jeden koniec je zapojeny do routru a druhy si skusal zapojit do toho notasu. a v tomto konfigu mas vypadky. spravne to chapem?

zapajas ten novy kabel do rovnakeho portu v routri ako povodny kabel?
skusil by som kazdopadne flushnut sietovy konfig v tom laptope. nieco ako "sudo iptables -F".




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mirex
 mirex      27.06.2021 - 20:01:25 , level: 1, UP   NEW
>> pricom jeden koniec je zapojeny do routru a druhy si skusal zapojit do toho notasu

toto opravim - jeden koniec je zapojeny do routru, a druhy je v stene zapojeny ako zasuvka. Do tej ide kabel a ten je zapojeny do pocitaca.

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Scorpic
 Scorpic      27.06.2021 - 22:11:00 , level: 2, UP   NEW
ok, tak skus premazat tu sietovu konfiguraciu v laptope. alebo ako pise akira, mozno mas zly kabel, ak mas kablovy tester, skus prekontrolovat. ak nemas tester, tak aspon detajlne okom =)
ale kedze to na inych pc nerobi, tipol by som to skor na softverovy problem.

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mirex
 mirex      15.07.2021 - 13:02:55 , level: 3, UP   NEW
Myslel som ze je to kablom, kupil som si kablovy tester a ten mi pise ze vsetky piny su v poriadku ... nechapem to. Idem skumat dalej.

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Scorpic
 Scorpic      15.07.2021 - 13:11:45 , level: 4, UP   NEW
skus nabootovat live distribuciu linux a skontrolovat, ci to vypadava tam - takto vylucis HW problem.

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mirex
 mirex      15.07.2021 - 13:14:58 , level: 5, UP   NEW
No ale ja som na linuxe (ubuntu) a s jednym kablom (priamo do routera) to ide bez problemu, takze hw problem tam nevidim.

S tymto druhym (cez stenu) je problem. Ale tester ukazuje ze je ok.

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Scorpic
 Scorpic      15.07.2021 - 13:21:30 , level: 6, UP   NEW
skusil si prehodit port, do ktoreho je zapojeny kabel v tom routri? tj ten kabel, co funguje odpojis a do toho isteho portu zapojis kabel, kde to blbne.

nemas zapnutu nejaku specialitku v tom routri, ktora by to mohla sposobovat (co ja viem nejaku sticky MAC adresu, QoS, nejaku unikatnu konfiguraciu daneho portu...)?

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akira
 akira      27.06.2021 - 22:20:02 , level: 3, UP   NEW
este nech pozre dmesg

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mirex
 mirex      29.06.2021 - 10:21:22 , level: 4, UP   NEW
Sranda. Na notebooku to funguje, ak vypnem DHCP a dam fixnu IPv4 adresu.
Akoze verim ze je to v kabelazi/koncovkach.

Dmesg hovori o kabli, pri vypadku pribudnu dva riadky "Downshift occurred...":

[133652.452428] wlp3s0: associated
[133652.463880] IPv6: ADDRCONF(NETDEV_CHANGE): wlp3s0: link becomes ready
[135967.400270] rtw_8822be 0000:03:00.0: timed out to flush queue 1
[139601.130632] rtw_8822be 0000:03:00.0: timed out to flush queue 1
[141149.023252] rtw_8822be 0000:03:00.0: timed out to flush queue 1
[141469.327839] rtw_8822be 0000:03:00.0: timed out to flush queue 1
[141797.806435] rtw_8822be 0000:03:00.0: timed out to flush queue 1
[141799.034499] rtw_8822be 0000:03:00.0: timed out to flush queue 1
[141913.606110] rtw_8822be 0000:03:00.0: firmware failed to restore hardware setting
[143175.326056] rtw_8822be 0000:03:00.0: timed out to flush queue 1
[144370.599558] rtw_8822be 0000:03:00.0: timed out to flush queue 1
[144475.978977] Generic FE-GE Realtek PHY r8169-200:00: Downshift occurred from negotiated speed 1Gbps to actual speed 100Mbps, check cabling!
[144475.979002] r8169 0000:02:00.0 enp2s0: Link is Up - 100Mbps/Full (downshifted) - flow control off
[144475.979036] IPv6: ADDRCONF(NETDEV_CHANGE): enp2s0: link becomes ready
[144479.725254] r8169 0000:02:00.0 enp2s0: Link is Down
[144486.844125] Generic FE-GE Realtek PHY r8169-200:00: Downshift occurred from negotiated speed 1Gbps to actual speed 100Mbps, check cabling!
[144486.844133] r8169 0000:02:00.0 enp2s0: Link is Up - 100Mbps/Full (downshifted) - flow control off
[144490.038709] wlp3s0: deauthenticating from c8:54:4b:8e:79:3d by local choice (Reason: 3=DEAUTH_LEAVING)
[144490.064396] rtw_8822be 0000:03:00.0: sta c8:54:4b:8e:79:3d with macid 0 left
[144495.552077] r8169 0000:02:00.0 enp2s0: Link is Down
[144502.717769] Generic FE-GE Realtek PHY r8169-200:00: Downshift occurred from negotiated speed 1Gbps to actual speed 100Mbps, check cabling!
[144502.717785] r8169 0000:02:00.0 enp2s0: Link is Up - 100Mbps/Full (downshifted) - flow control off
[144516.842946] r8169 0000:02:00.0 enp2s0: Link is Down
[144523.944727] Generic FE-GE Realtek PHY r8169-200:00: Downshift occurred from negotiated speed 1Gbps to actual speed 100Mbps, check cabling!
[144523.944735] r8169 0000:02:00.0 enp2s0: Link is Up - 100Mbps/Full (downshifted) - flow control off

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akira
 akira      29.06.2021 - 12:32:59 , level: 5, UP   NEW
Je aj mozne, ze mas inde zasuvku na tych pocitacoch a ze sa ti kabel kadejako kruti a vytahuje. Alebo je elektronika co ten kabel sleduje na tom zlom pocitaci citlivejsia.