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The time now is 28.04.2024 - 05:16


DCN switche

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wolf14
Post subject: DCN switche  PostPosted: 16.04.2012 - 22:48 #98233
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Joined: Jún 30, 2011
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Location: Kezmarok
Zdravim, chcem sa opytat ci mate niekto realne nasadene switche od DCN (Digital China Networks), konkretne DCS-3950 seriu,
http://www.dcnglobal.com/product/content.aspx?id=26
HW by mal byt rovnaky ako v EdgeCore ES3528 tak by ma zaujimalo ci to niekto ma a ci je realne po tom pustat aj IPTV
 
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kubiik
Post subject: DCN switche  PostPosted: 16.04.2012 - 23:22 #98234
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Joined: Jan 24, 2004
Posts: 1685

wolf14 wrote: ›Zdravim, chcem sa opytat ci mate niekto realne nasadene switche od DCN (Digital China Networks), konkretne DCS-3950 seriu,
http://www.dcnglobal.com/product/content.aspx?id=26
HW by mal byt rovnaky ako v EdgeCore ES3528 tak by ma zaujimalo ci to niekto ma a ci je realne po tom pustat aj IPTV


noo vyzera to rovnako;
kto je v SR/CR resp nablizku distributor?
 
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wolf14
Post subject: RE: DCN switche  PostPosted: 17.04.2012 - 00:07 #98237
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Joined: Jún 30, 2011
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Ja som sa informoval u arpa.sk cez nich sa to da
 
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zelmar
Post subject: RE: DCN switche  PostPosted: 17.04.2012 - 07:12 #98242
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Joined: Okt 23, 2005
Posts: 1031
Location: /etc/bin/ladin
No mam na testoch seriu 5960, zvlada v pohodke multicast spolu s PIM-SM a SSM , unicast routing BGP ipv4 aj ipv6 a cena tiez viac nez pozitivna.Skusal som ho v real prvadzke a bez najmensieho problemu.
Alternetivo je zastupenie v CR aj SK.
Borci boli aj na Cebite a poviem ze celkom seriozny pristup maju.

CMD je cisco like ale samozrejme dokonalo rovnaka nikdy nebude.
 
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deelite
Post subject: RE: DCN switche  PostPosted: 19.04.2012 - 08:28 #98306
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Joined: Apr 22, 2003
Posts: 358

Aky velky mulcitast ti to zvlada a ake je zatazenie cpu?
 
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421
Post subject: RE: DCN switche  PostPosted: 19.04.2012 - 21:06 #98347
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Joined: Jún 12, 2005
Posts: 2739
Location: zilina
mame to realne nasadene uz druhy rok, v pomere cena vykon to nema konkurenciu. mame od nich vsetky rady. Urcite to nekupujte od podvodnikov, maju v nemecku pobocku, ktora Vam to posle napriamo. Buduci mesiac urcite objednavam nejake kusy, mozete sa pridat, kto ma zaujem. Support je super, riesime ho napriamo.
 
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zelmar
Post subject: RE: DCN switche  PostPosted: 26.04.2012 - 15:29 #98488
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No prave som doporovnaval verziu ktora je nahradou za oblubeny edgecore 3528M - DCS3950R5 cca. 165€
Rozdiel okrem toho ze DCN ma naozaj cisco like consolu je jeden a velmi zasadny . Velkost buffra na 3528M je 4M preto ten limit zruba 100Mbps multicastov, kdezto DCN 3950R5 ma 16M buffer.
Kazdy kto trosku ovlada switchovanie a podobne sracky ohladom multicast paketov vie ze velkost buffrov je pri tomto type prevadzky velmi podstatna.
V konecnom dosledku aj oblubene cisco 3750 a spol. bez toho aby sa nealokovali maximalne buffre nezvladne mcast prevadzku bez stracania paketov.

Pruser ako taky vidim v tom ze verzia 52 portova ej poodstatne drahsia oproti edgecore ktory stoji 300€ a toto 450€
Switch je plna nadupany podporou IPv6 vsetkymy smermy ako si clovek len vie zmysliet aj ipv4 podobne a support je tiez rychly ked sa odstranenie bugov je tak do mesiaca.
Verzia 5960R2 vam v klude nahradi secky 3750ky a spol. (teda ak nepotrebujete ROUTOVAT na nom viac ako 1Gbps trafficu vratane mcastov) lebo to som nemal ako vyskusat.
 
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Radoko77
Post subject: RE: DCN switche  PostPosted: 29.04.2012 - 16:12 #98532
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ake je to s firmware u DCS3950 a DCS3950R5R5? pouzivaju od edgecore? alebo vedu 2 roky staru radu ako SMC? alebo maju nejaku vlastnu liniu alebo nedajboze ten najlepsi stav, ze HW je identicke ako EC ale firmware robia vlastny a nema nic spolocne s EC.
 
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zelmar
Post subject: RE: DCN switche  PostPosted: 29.04.2012 - 17:51 #98534
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Podla info od edgecore su pred nimi aj s hw aj s sw a edge to co oni ponukaju traz len chysta este. osotatne kludne preberme osobne....je toho viacej.
 
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yeager
Post subject: RE: DCN switche  PostPosted: 30.04.2012 - 09:56 #98553
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Joined: Jún 19, 2005
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421 wrote: ›mame to realne nasadene uz druhy rok, v pomere cena vykon to nema konkurenciu. mame od nich vsetky rady. Urcite to nekupujte od podvodnikov, maju v nemecku pobocku, ktora Vam to posle napriamo. Buduci mesiac urcite objednavam nejake kusy, mozete sa pridat, kto ma zaujem. Support je super, riesime ho napriamo.


tak by som sa chcel pridat, vies mi objednat 2xDCS3950R5, zelmara malokedy pocujem chvalit nieco, takze to nemoze byt zle Smile
 
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zelmar
Post subject: RE: DCN switche  PostPosted: 30.04.2012 - 11:58 #98559
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Tak si to zhrnieme keby som teraz prerabal opticku siet na nieco stable a lacne spravim to takto.

Border router hodim L3 swich - DCN-5960
Zvladne s prehladom routovat 1gbps, routovat multicasty cez SSM+PIM kolko len chcete (skusal som 300Mbps)
BGP v ipv4 aj ipv6 ak mate vlastne AS (vrele odporucam)

Agregacia bytoviek tiez L3 DCN-5960-52F

52 SFP portov, moznost 10Gbit uplinku, routovanie jednotlivych subnetov per bytovka, popripade ja mcasty zaroutovat ale nie nevyhnutne staci ak budu na bordery, a kopec inych sraciek

a na access narvat DCN-3950

switch ma 16M buffery (edgecore ma 4), ipv6 nadstandardna podpora vo vsetkych DCN produktoch, zvladanei MVR a kopec inych security sraciek ako napriklad 12V napajanie popri 240AC

a siet je hotova


Very Happy Very Happy Very Happy
 
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zelmar
Post subject: RE: DCN switche  PostPosted: 11.05.2012 - 16:36 #98794
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Location: /etc/bin/ladin
no 3950 na access ako nahrada za edgecore po zatazovke...

Vaha o 1kg viac ako edgecore, praca s multicastami prefektna - staci mu povedat ktora vlana je mcastova a potom uz len povolit inym vlanam/portom kde sa este moze mcast zjavit a pritom je fuck ci bude port v mode trunk, access...ziadne definicie group a pod...a mcasty tam potecu. Ze neboli o 2 roky skor na trhu
 
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yeager
Post subject: RE: DCN switche  PostPosted: 11.05.2012 - 17:01 #98795
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Joined: Jún 19, 2005
Posts: 1019

aky je rozdiel medzi DCS-3950-28C(R5) a medzi DCS-3950-28C?
DCS-3950-28C mali za dobru cenu tak som objednal 2ks, ale ked je tam velky rozdiel, tak zrusim objednavku...
 
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zelmar
Post subject: RE: DCN switche  PostPosted: 11.05.2012 - 19:37 #98796
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Location: /etc/bin/ladin
novsi release / hw a podpora DC napajania by mala byt...to iste ako edge v1 s novsim hw
 
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yeager
Post subject: RE: DCN switche  PostPosted: 11.05.2012 - 19:42 #98797
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nakoniec z DCS-3950-28C mali posledny kus, tak mi poslu aj jednu R5
 
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