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Kris_Nalej's avatar
Kris_Nalej
Aspirant
Mar 21, 2017

Default gateway to Internet

ReadyNas RN4220 has 6 network adapters. Each one can be connected to a different subnet. Only one subnet has a connection to the Internet. How to set the default gatewey to Internet ? ReadyNas ca...
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jak0lantash's avatar
jak0lantash
Mentor
Mar 21, 2017

I confirm that's what I have configured in the GUI:

eth0: DHCP
IP 192.168.1.2/24
GW 192.168.1.1
DNS 192.168.1.1

eth1: Static
IP 10.0.0.1/24
GW 0.0.0.0

 Via SSH

 

# netstat -nr
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
0.0.0.0         192.168.1.1     0.0.0.0         UG        0 0          0 eth0
10.0.0.0       0.0.0.0         255.255.255.0   U         0 0          0 eth1
192.168.1.0     0.0.0.0         255.255.255.0   U         0 0          0 eth0
192.168.1.1     0.0.0.0         255.255.255.255 UH        0 0          0 eth0

And Internet connection is OK

# ping google.com
PING google.com (209.85.202.113): 56 data bytes
64 bytes from 209.85.202.113: seq=0 ttl=48 time=26.572 ms

 

Kris_Nalej's avatar
Kris_Nalej
Aspirant
Mar 22, 2017

Configuration in my GUI:

 

eth.jpg

bond0: Static

IP 10.0.0.2

netmask 255.255.255.0

GW 10.0.0.1

DNS 10.0.0.1

(this is the connection to Internet)

 

eth3:

IP 10.10.10.20

netmask 255.255.255.0

GW 0.0.0.0

DNS not set

 

netstat -nr

Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
0.0.0.0         0.0.0.0         0.0.0.0         U         0 0          0 eth3
10.0.0.0        0.0.0.0         255.255.252.0   U         0 0          0 bond0
10.0.0.1        0.0.0.0         255.255.255.255 UH        0 0          0 bond0
10.10.10.0      0.0.0.0         255.255.255.0   U         0 0          0 eth3

Default gateway is set to eth3, and this is the problem. How can I change it to bond0 ?

 

 

 

  • Kris_Nalej's avatar
    Kris_Nalej
    Aspirant
    Mar 22, 2017

    I changed default gateway

     ip route change default via 10.0.0.1 dev bond0

    and routing table now looks like:

    Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
default         gateway         0.0.0.0         UG        0 0          0 bond0
10.0.0.0        *               255.255.252.0   U         0 0          0 bond0
gateway         *               255.255.255.255 UH        0 0          0 bond0
10.10.10.0      *               255.255.255.0   U         0 0          0 eth3

    and connection to the Internet works, but only until restart I think.

     

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