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The time now is 29.03.2024 - 13:03


Presmerovanie na Inu IP a IP rovnakeho segmentu

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Jardo
Post subject: Presmerovanie na Inu IP a IP rovnakeho segmentu  PostPosted: 23.02.2012 - 13:15 #96931
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Joined: Okt 21, 2007
Posts: 305

Cafte, mam takyto problem. Jedna sa o MK mikrotik. Mam router (MK) kde je IP taka, ako si uzivatelia nastavaju branu. Su tam segmenty 192.168.17 a 18 a 19. Povodne bol server na IP 192.168.17.100 ale premiesnili sme ho a tak sa zmenila IP na 192.168.15.100. Mam nastavene IP presmerovanie na MK ze ked da niekto poziadavku na 17.100 tak ho presmeruje na 15.100. toto funguje ale iba ak je z ineho segmentu. Ak je z tohoisteho ako bol server tak to nejde. Len kruti a kruti. Da sa to nejako poriesit? Dakujem
 
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misohero
Post subject: RE: Presmerovanie na Inu IP a IP rovnakeho segmentu  PostPosted: 23.02.2012 - 17:29 #96934
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Joined: Jan 21, 2005
Posts: 180
Location: Bratislava
ak je to v rovnakom segmente tak nestaci spravit DNAT , treba spravit aj SNAT aby sa pakety vracali spravnou cestou
 
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pedro4444
Post subject: RE: Presmerovanie na Inu IP a IP rovnakeho segmentu  PostPosted: 23.02.2012 - 18:43 #96936
Ucen


Joined: Júl 15, 2011
Posts: 769

misohero wrote: ›ak je to v rovnakom segmente tak nestaci spravit DNAT , treba spravit aj SNAT aby sa pakety vracali spravnou cestou


to mas pravdu ak to ma cez router ale ak ma za tym este switch a tam to ma vsetko nahadzane to nevyriesi jedine manazovatelny switch... ake teda predpokladam spravnu topologiu siete...
 
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Jardo
Post subject: RE: Presmerovanie na Inu IP a IP rovnakeho segmentu  PostPosted: 23.02.2012 - 20:08 #96940
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Joined: Okt 21, 2007
Posts: 305

Je to za swicom, takze nic... aj som si myslel
 
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eXplorer
Post subject: RE: Presmerovanie na Inu IP a IP rovnakeho segmentu  PostPosted: 23.02.2012 - 20:57 #96943
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Joined: Feb 25, 2003
Posts: 2606
Location: BA,BB
Jadro: ziadny manazovatelny switch toto nevyriesi to je kravina Laughing Dovod preco to v povodnom segmente v ktorom bol server nefunguje je ten ze pocitace/hosty v tomto serveri "nevedia" ze to maju poslat na router, kedze je to pre nich rovnaky subnet snazia sa to poslat priamo a kedze ta IPcka "nezije" tak sa ti to len "kruti a kruti" Very Happy Je uplne jedno co za router tam mas, kludne by si tam mohol mat aj Cisco za 1 000 000 euro ... Toto co si popisal je totiz uplne normalne spravanie vyplyvajuce z principu IP networkingu Wink

Z ostatnych subnetov to funguje pretoze hosty v nich posielaju traffic pre 192.168.17.100 na router kedze je to iny subnet, no a router (mikrotik) potom uz na zaklade rules vo firewalle adresu prelozi.

Riesenia su dve - prve nastavit proxy arp (nastuduj si co to je lebo napachas vela skody Very Happy ) alebo pridat povodnu IP adresu servera na interface mikrotiku v ktorom server povodne bol. Takze ak mas na mikrotiku na interfaci 192.168.17.1 pridaj tam este 192.168.17.100, tot vsio. (NATovacie ruly tam nechaj tiez).
 
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Jardo
Post subject: RE: Presmerovanie na Inu IP a IP rovnakeho segmentu  PostPosted: 23.02.2012 - 21:27 #96944
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Joined: Okt 21, 2007
Posts: 305

To ma inak tiez napadlo pridelit dalsiu IP na MK. idem to poskusat a dam vediet. Zatial dakujem.
 
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pedro4444
13 Post subject: RE: Presmerovanie na Inu IP a IP rovnakeho segmentu  PostPosted: 23.02.2012 - 21:54 #96945
Ucen


Joined: Júl 15, 2011
Posts: 769

explorer pekna finta!!0 tymto to cele obide a dostane paket do routra a tam si ho uz nasmeruje... Smile
 
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Jardo
Post subject: RE: Presmerovanie na Inu IP a IP rovnakeho segmentu  PostPosted: 23.02.2012 - 22:05 #96946
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Joined: Okt 21, 2007
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poriesenie, funguje .. mohlo ma to napadnut Smile
 
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