rutare
Gabos Denes
gabosdenes la gmail.com
Sâm Oct 20 21:52:21 BST 2007
am un singur lan in spate, un router si doi provideri, am rezolvat intre
timp, multumesc de ajutor.
Deni
Iscu Andrei wrote:
> Din cate inteleg eu cam asta sta situatia la tine:
>
> LAN1 ---> |__> SERVER |_> NET1
> LAN2 ---> | |_> NET2
>
> Iar tu vrei sa te conectezi la server din oricare din LAN-uri, dar
> folosind ca ip de destinatie unul din cele reale de la provideri.
> Acilea e o bubulina dpdv logic... Si cu rutarile trebuie avuta mare
> grija ca sa poti reusi asa ceva. Daca nu m-am inselat si asta e cazul,
> mai degraba din lan te conecta pe il-ul de lan, si de pe WAN pe ip-ul
> de wan... Altfel, iti recomand documentatiile de la cisco despre rute
> si ceva rabdare... vei avea nevoie de route si iptables...
> Daca to vrei sa faci faza da un reply...
>
> On 10/14/07, Gabos Denes <gabosdenes at gmail.com> wrote:
>
>> Eu pot descarca pe router fara probleme, pot accesa routerul din afara pe
>> ambele ip-uri, numai din interior nu pot pe interfatele externe. Nu vad ce
>> as rezolva daca as sterge linia cu stersul rutei default, defapt fara aia as
>> avea 2 route default una catre un provider si una multipath.
>>
>> Deni
>>
>> Gabi Botosan wrote:
>> Salut
>>
>> Comenteaza linia cu stersul rutelor;
>> si eu am o problema asemanatoare, am 2 provideri ca si tine si nu pot
>> descarca nimic de pe net pe router insa ma pot conecta la router si asta
>> abia dupa ce am comentat lina aceea; daca primesti o rezolvare la problema
>> ta te rog sa imi spui si mie raspunsul
>>
>> Numai de bine... Gabi
>>
>>
>>
>>
>> Gabos Denes <gabosdenes at gmail.com> wrote:
>> Salutare la toti utilizatorii Ubuntu
>>
>> Am o problema legata de rutare. Am 2 provideri de internet si vreau sa
>> fac sa mearga netul pe amindoua deodata. Am urmat pasii de pe
>> http://lartc.org/howto/lartc.rpdb.multiple-links.html ...
>> si totul merge
>> ok inafara de faptul ca din interiorul retelei nu pot accesa serverul pe
>> ip-urile externe (nici cu firewallul dat jos :p). Reteaua interna este
>> mascaradata pe ambele ip-uri externe.
>>
>> Aici este scriptul care face rutarea:
>> P1_NET P2_NET reteaua cu providerii
>> IP1 IP2 ip-urile externe
>> P1_GW P2_GW gatewayul de la provideri
>>
>>
>> #!/bin/sh
>> ip route del default
>>
>> #LAN
>> P0_NET=192.168.0.0
>> IF0=eth0
>> IP0=192.168.0.1
>>
>> #UPC
>> P1_NET=x.x.134.0
>> IF1=eth2
>> IP1=X.X.134.218
>> P1_GW=X.X.134.1
>>
>> #RDS
>> P2_NET=X.X.123.192
>> IF2=eth1
>> IP2=X.X.123.220
>> P2_GW=X.X.123.193
>>
>> ip route add $P1_NET dev $IF1 src $IP1 table UPC
>> ip route add default via $P1_GW table UPC
>> ip route add $P2_NET dev $IF2 src $IP2 table RDS
>> ip route add default via $P2_GW table RDS
>>
>> ip route add $P1_NET dev $IF1 src $IP1
>> ip route add $P2_NET dev $IF2 src $IP2
>>
>> #Next, you set up the routing rules. These actually choose what routing
>> #table to route with. You want to make sure that you route out a given
>> #interface if you already have the corresponding source address:
>> ip rule add from $IP1 table UPC
>> ip rule add from $IP2 table RDS
>>
>>
>> #'If $P0_NET is the local network and $IF0 is its interface,
>> #the following additional entries are desirable:
>> ip route add $P0_NET dev $IF0 src $IP0 table UPC
>> ip route add $P2_NET dev $IF2 table UPC
>> ip route add 127.0.0.0/8 dev lo table UPC
>> ip route add $P0_NET dev $IF0 src $IP0 table RDS
>> ip route add $P1_NET dev $IF1 table RDS
>> ip route add 127.0.0.0/8 dev lo table RDS
>>
>> ip route del default
>> ip route add default scope global nexthop via $P1_GW dev eth2 weight 1
>> nexthop via $P2_GW dev eth1 weight 1
>> ip route flush cache
>>
>>
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>>
>>
>>
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>>
>>
>
>
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