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SMB 770 default route not via WAN interface

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Hi,

I'm having trouble setting the default gateway behind another interface but the WAN on my SMB.

Background

For our customer's SMB 770 installation I need to use the following interface config:

WAN: DHCP IP

LAN1: fixed IP + by default traffic needs to be routed this way

LAN2: fixed IP

I configured the following:

1) Internet1 = DHCP, but without "route traffic through this interface by default"

2) LAN2: no issue there, it's just a LAN interface with a connected network

And tried adding the default gateway via LAN1:

1) Configured LAN1 IP in the WebUI (but I'd need to add the default route, which does not accept 0.0.0.0/0).

2) Next I tried adding interface IP and GW via CLI:

set interface LAN1 ipv4-address x.x.x.x mask-length 24 default-gw x.x.x.y

Should be simple, but this returns the error "Failed to find the requested interface"

 

What am I missing here?

Grtz

Philip

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1 Solution

Accepted Solutions

Re: SMB 770 default route not via WAN interface

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Had similar issue, no Internet connection configured at all.

This is how you solve this issue, let say the nexthop is 10.10.1.15, you just create 2 routes:

add static-route destination 0.0.0.0/1 nexthop gateway ipv4-address 10.10.1.15
add static-route destination 128.0.0.0/1 nexthop gateway ipv4-address 10.10.1.15

Effectively this is 2 half default routes adding up to a default route.

The error about the Interface could be related to the LAN1_Switch, to remove use the following:

delete switch LAN1_Switch
set dhcp server interface LAN1 disable
set interface LAN1 unassigned
set interface LAN1 ipv4-address 10.10.1.1 mask-length 29 state on

Regards, Maarten
4 Replies
Admin
Admin

Re: SMB 770 default route not via WAN interface

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The LAN interface cannot be used as the default route on SMB appliances.

Re: SMB 770 default route not via WAN interface

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Hi Dameon,

Thanks for your answer.

I filled out a Request for Enhancement for this.

Grtz

Philip

Re: SMB 770 default route not via WAN interface

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Had similar issue, no Internet connection configured at all.

This is how you solve this issue, let say the nexthop is 10.10.1.15, you just create 2 routes:

add static-route destination 0.0.0.0/1 nexthop gateway ipv4-address 10.10.1.15
add static-route destination 128.0.0.0/1 nexthop gateway ipv4-address 10.10.1.15

Effectively this is 2 half default routes adding up to a default route.

The error about the Interface could be related to the LAN1_Switch, to remove use the following:

delete switch LAN1_Switch
set dhcp server interface LAN1 disable
set interface LAN1 unassigned
set interface LAN1 ipv4-address 10.10.1.1 mask-length 29 state on

Regards, Maarten

Re: SMB 770 default route not via WAN interface

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Thx Maarten, I'll definitely try that when the issue comes along again!

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