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vanblah · 09-30-2004, 06:32 AM

I have a DHCP server (Windows Server 2003 Ent) that I want to set up a superscope on. I bind 10.10.2.20 and 10.30.10.2 to the NIC and set up the scopes. That's not the problem.

I have two VLANs 10.10.x.x and 10.30.x.x. Routing and forwarding seem to be working except in the following case.

I have one computer (10.30.10.14) in the 10.30.x.x VLAN and many computers in the 10.10.x.x VLAN.

From the 10.30.10.14 machine I can ping any device in the 10.10.x.x VLAN EXCEPT 10.10.2.20 (request timed out)...

From 10.10.2.20 (DHCP server) I can ping anywhere in the 10.10.x.x VLAN and I can ping 10.30.10.1 (gateway and address of VLAN 10.30.x.x) but not 10.30.10.14 (again, request timed out).

From any other machine in the 10.10.x.x VLAN I can ping 10.10.x.x (including 10.10.2.20) and I can also ping 10.30.x.x.

What am I missing?

09-30-2004, 06:32 AM	#1 (permalink)
vanblah Junkie	Confusing VLAN question I have a DHCP server (Windows Server 2003 Ent) that I want to set up a superscope on. I bind 10.10.2.20 and 10.30.10.2 to the NIC and set up the scopes. That's not the problem. I have two VLANs 10.10.x.x and 10.30.x.x. Routing and forwarding seem to be working except in the following case. I have one computer (10.30.10.14) in the 10.30.x.x VLAN and many computers in the 10.10.x.x VLAN. From the 10.30.10.14 machine I can ping any device in the 10.10.x.x VLAN EXCEPT 10.10.2.20 (request timed out)... From 10.10.2.20 (DHCP server) I can ping anywhere in the 10.10.x.x VLAN and I can ping 10.30.10.1 (gateway and address of VLAN 10.30.x.x) but not 10.30.10.14 (again, request timed out). From any other machine in the 10.10.x.x VLAN I can ping 10.10.x.x (including 10.10.2.20) and I can also ping 10.30.x.x. What am I missing? Last edited by vanblah; 09-30-2004 at 07:40 AM..