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May 18th, 2015 15:00
S4810 default route for inter-vlan communication
Dear all,
I need some help configuring my Force10 S4810.
I have following 3 different networks and vlans configured.
vlan 100
ip address 172.x.0.1/24
untagged tengigabitethernet 0/15
untagged fortygig 0/56
no shutdown
vlan 200
ip address 172.x.1.1/24
untagged tengigabitethernet 0/21,23
no shutdown
vlan 300
ip address 172.x.2.1/24
untagged tengigabitethernet 0/27,29
no shutdown
ip route 172.x.0.0/24 vlan 100
ip route 172.x.1.0/24 vlan 200
ip route 172.x.2.0/24 vlan 300
vlan 100 provides the uplink (internet access). I want my vlan 200 and 300 to use vlan 100 as the default route. In the current configuration I can ping the vlans of and from any of the 3 networks and even the 172.x.0.2 which is the IP of the router connected to the port 0/15 of this switch. But, I can neither configure ip route 0.0.0.0/0 172.x.0.2 as the switch is shared with another team as well nor set the default gw to 172.x.0.2 on the server nodes in vlan 200 and 300.
Is there a way to send the traffic to the 172.x.0.2 from the servers in vlan 200 (172.x.1.0/24) and vlan 300 (172.x.2.0/24) whose default gateways are set to be the ip addresses of the respective vlans ?
Any help or suggestion is appreciated.
Regards,
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DELL-Josh Cr
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May 18th, 2015 16:00
Hi,
Since you can’t use a default route you will can try to use static routes between the VLANs so that they forward traffic. Default routes are a static route that is broadly defined as all unknown traffic. You should be able to create a static route from VLAN 200 and 300 to VLAN 100 so that they send traffic there and make sure that there is a route from 100 to 200 and 300.
Page 459 http://downloads.dell.com/Manuals/all-products/esuprt_ser_stor_net/esuprt_networking/esuprt_net_fxd_prt_swtchs/force10-s4810_Owner%27s%20Manual9_en-us.pdf
Page 892 http://downloads.dell.com/Manuals/all-products/esuprt_ser_stor_net/esuprt_networking/esuprt_net_fxd_prt_swtchs/force10-s4810_Owner%27s%20Manual8_en-us.pdf
You can use the show routes command to see what the current routes are. You may also be able to create a static route from VLAN 200 and 300 directly to the internet uplink ip address so that they route traffic there through VLAN 100.