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OK guys, I'm going to reopen a question from another member, from earlier in the year...
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Andyleates (TechnicalUser) 3 Feb 06 5:06
Two questions on Windows 2000 server routing tables!
1] When a workstation connects from a remote subnet, a route is entered into the windows server's routing table, with a 32 bit mask, even it a static route to that subnet already exists - is this normal behavior?
2] When the route is added, what determines the gateway address? Is it learning something from the router the packets are arriving from?
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I'm having problems with this. We have multiple subnets and VLANs across our LAN, all routed using Cisco Layer 3 core switches. Everything is working fine on the LAN.
However, we've just added a WAN link using some Cisco routers and wireless bridges. This adds an extra hop from the core, which is already routed.
Workstations and servers at each end only communicate if there is a route in their routing table for the destination. However, the route already exists as the default route, and the gateway is the same for both.
For example:
0.0.0.0 0.0.0.0 10.10.2.1
10.11.2.23 255.255.255.255 10.10.2.1
The second entry gets added dynamically.
I thought this might be BGP or OSPF, but we're not running either.
This happens on Win 2000, Win 2003 and Win XP.
Anyone know why the default route and gateway get ignored? It's driving me crazy!!
Thanks in advance.
Chris
==========================================================
Andyleates (TechnicalUser) 3 Feb 06 5:06
Two questions on Windows 2000 server routing tables!
1] When a workstation connects from a remote subnet, a route is entered into the windows server's routing table, with a 32 bit mask, even it a static route to that subnet already exists - is this normal behavior?
2] When the route is added, what determines the gateway address? Is it learning something from the router the packets are arriving from?
==========================================================
I'm having problems with this. We have multiple subnets and VLANs across our LAN, all routed using Cisco Layer 3 core switches. Everything is working fine on the LAN.
However, we've just added a WAN link using some Cisco routers and wireless bridges. This adds an extra hop from the core, which is already routed.
Workstations and servers at each end only communicate if there is a route in their routing table for the destination. However, the route already exists as the default route, and the gateway is the same for both.
For example:
0.0.0.0 0.0.0.0 10.10.2.1
10.11.2.23 255.255.255.255 10.10.2.1
The second entry gets added dynamically.
I thought this might be BGP or OSPF, but we're not running either.
This happens on Win 2000, Win 2003 and Win XP.
Anyone know why the default route and gateway get ignored? It's driving me crazy!!
Thanks in advance.
Chris
