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Post subject: SFP nelinkuje
 Posted: 28.02.2017 - 10:49 #112458
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Ucen
Joined: Aug 09, 2004
Posts: 753
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Skusal som na stole WDM SFP z IP MEDIA http://www.ipmedia.cz/default.asp?cls=stoitem&stiid=2543
1ks v Cisco 3750G-12TS-E, druhy v TPLINK T2600G-28. V ciscu ho vidno cez "show inv" ale port nelinkuje. V tplinku port linkuje.
Nejaky napad, preco to nejde? SFP su do 2km, zeby len tym, ze je to cez patchcord a je silny signal? Skusal som aj povytiahnut konektor, kovli vyssiemu utlmu. |
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Post subject: RE: SFP nelinkuje
Posted: 28.02.2017 - 11:30 #112460
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Majster
Joined: Feb 14, 2011
Posts: 2544
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| pokial mas OK SFP a OK patch...tak nekompatibilita HW |
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Post subject: RE: SFP nelinkuje
Posted: 28.02.2017 - 11:43 #112461
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Basic
Joined: Mar 05, 2008
Posts: 240
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Post subject: RE: SFP nelinkuje
Posted: 28.02.2017 - 15:06 #112463
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Guru
Joined: Júl 14, 2005
Posts: 1591
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| service unsupported-transceiver ? |
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Post subject: RE: SFP nelinkuje
Posted: 28.02.2017 - 15:11 #112464
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Ucen
Joined: Aug 09, 2004
Posts: 753
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Samozrejme je na druhej strane prislusny protikus. Service unsupported.. mam tiez.
Sranda je, ze v inej 3750G mame tieto ipmedia SFP, na druhej strane linky je TPLINK prevodnik s SFP slotom, a no problem. |
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Post subject: RE: SFP nelinkuje
Posted: 28.02.2017 - 17:06 #112466
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Ucen
Joined: Okt 21, 2004
Posts: 792
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neos wrote: ›Service unsupported.. mam tiez.
service unsupported-transceiver
no errdisable detect cause gbic-invalid |
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Post subject: RE: SFP nelinkuje
Posted: 02.03.2017 - 23:38 #112473
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Ucen
Joined: Feb 21, 2006
Posts: 538
Location: BA
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Chlopi, hlavne nepouzivajte srackove SFP!  To hned na zaciatku riesi taketo zakladne problemy.. 
Cenovy rozdiel kolko? Radovo 2ecka? 3 ecka? nebodaj 5 ecok? |
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Post subject: RE: SFP nelinkuje
Posted: 03.03.2017 - 12:25 #112474
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Ucen
Joined: Aug 09, 2004
Posts: 753
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ste-ve wrote: ›Chlopi, hlavne nepouzivajte srackove SFP! To hned na zaciatku riesi taketo zakladne problemy..
Cenovy rozdiel kolko? Radovo 2ecka? 3 ecka? nebodaj 5 ecok?
V popise mali, ze "cisco compatible" a nemali tam uvedene "srackove". Pouzival som ich uz aj inde.
Rad si necham poradit, kde kupim nesrackove SFP. |
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Post subject: RE: SFP nelinkuje
Posted: 03.03.2017 - 22:05 #112476
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Guru
Joined: Júl 14, 2005
Posts: 1591
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nesrackove SFP sm ani ja zatial nevidel a to pouzivam cina noname za 20E... desiatky kusov
meral si si inak signal na oboch stranach cez powermeter? |
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Post subject: RE: SFP nelinkuje
Posted: 05.03.2017 - 09:11 #112478
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Ucen
Joined: Okt 21, 2004
Posts: 792
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Mal som na sebe polozene 2 x cisco z tej istej rady. Jedno bolo fullgiga+sfp uplink, druhe 24x10/100 + sfp uplink. Cisco compatible modul v jednom siel na prve zapojenie, v druhom nepomohlo ani service unsupported-transceiver. Problemy su hlavne s WDM modulmy. Potom tam sli obycajne, neznackove, nie wdm a tie tam bezia doteraz.
Cisco je na tom este dobre,kedze ma service unsuported. Ked potrebujem dostat do HP switcha nejaky nie HP modul tak mu musim najskor preprogramovat eeprom aby to fungovalo. |
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Post subject: RE: SFP nelinkuje
Posted: 06.03.2017 - 13:28 #112481
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Ucen
Joined: Aug 09, 2004
Posts: 753
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Som to "vyriesil" TPLINK prevodnikom s SFP slotom a dalsim RJ45 SFP do Cisca a ide to. Len mi to kole oci, zbytocne komplikovane.
Takze nejake tipy na <50€ SFP, ktore pojdu v ciscu naisto? Ale WDM. |
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Post subject: RE: SFP nelinkuje
Posted: 06.03.2017 - 16:54 #112482
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Majster
Joined: Okt 21, 2003
Posts: 4247
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starsie switche odmietaju n iektore SFPcka nie kvoli vendor-locku alebo fyzickej nekopatifilite, ale kvoli tomu ze nepoznaju oznacenie typu media, s ktorym sa SFP identifikuje.
napriklad mam switch extreme networks ktory pozna 1000BASE-ZX a 1000BASE-LX (duplexne SFP) ale nepozna 1000BASE-BX (WDM). riesenie je prepalit indetifikaciu v SPFcku aby sa aj WDM hlasilo ako 1000BASE-ZX, a switch potom taketo SFP bez problemov zoberie a funguje s nim. |
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Post subject: RE: SFP nelinkuje
Posted: 06.03.2017 - 17:01 #112483
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Guru
Joined: Júl 14, 2005
Posts: 1591
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ja berem do vsetkeho WDM od ASM.sk
vedia naflasovat aj HP sfpcka... |
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Post subject: RE: SFP nelinkuje
Posted: 13.03.2017 - 01:46 #112516
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Ucen
Joined: Feb 21, 2006
Posts: 538
Location: BA
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neos:
finisar ma napr nikdy nezradil.. ..cena sice vyssia nez je dnesny standard ale vzdy bez problemu na mnohych znackach a radiach
Ako pise napr Kotol, ani z ASMka neboli zatial s problemom ich.. ..akurvat opat vyssia cena oproti dnesnemu standardu.
Ked chces mozem ti poslat dake vzorky co mam ja viacerych vyrobcov (presne na taketo ucely) a povies ze ktore frcia a ktore ee. A budes aspon o kybel mudrejsi co ti zerie.. |
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