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September 9th, 2017 07:00

Dell N4032F L3 routing problem to upstream router

Hello, i have problem with routing from my vlan to internet. I can't access to Internet, my setup is 4 DELL N4032F configured in stack.

ip routing is globaly enabled and ip routing is enabled on all vlans

switch (port 22)

vlan110 192.168.110.1/24
vlan120 192.168.120.1/24
vlan130 192.168.130.1/24
vlan140 192.168.140.1/24

router (port3)

vlan110 192.168.110.2/24
vlan120 192.168.120.2/24
vlan130 192.168.130.2/24
vlan140 192.168.140.2/24

static route

0.0.0.0/0 192.168.110.2 via vlan110
0.0.0.0/0 192.168.120.2 via vlan120
0.0.0.0/0 192.168.130.2 via vlan130
0.0.0.0/0 192.168.140.2 via vlan140


1) Switch and router are connected via trunk port
2) I can't ping from switch and from device in vlan to router vlan ip (192.168.vlanid.2)
3) Inter-vlan working fine, i can ping and connect to any devices across any vlan.
4) When i use ping directly from switch (via console) to ip 8.8.8.8, host respond. When i try ping from device from vlan 140 (ip 192.168.140.50/24 gateway 192.168.140.1) remote host 8.8.8.8 does not respond.
5) I tryed setup a only one default ip route (ie. to ip 192.168.110.2) but i have same issue,
6) i don't setup default gateway ip address - is it required?


any advice ?

2 Posts

September 11th, 2017 10:00

Dear Daniel, i want to access from all my VLAN to Internet through router. Upstream router is Fortigate300C but this device is managed by external consultant. I can't tell you for now if routes directing returning traffic to the switch. I ask consultant and back here. See you.

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