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Darn: I did a cut and paste from Word and none of the bolded text or arrows showed up. I wish this forum would support images….. Anyway, I need to “get” the broadcast packets from GRE RouterA fe0/0 to the GRE tunnel, which starts at GRE RouterA fe 0/1. GRE RouterA fe0/0 is already part of...

Actually it is just a conceptual configuration, since I don’t have the equipment yet. I really wish I had a lab to play with rather than just doing a paper technical solution. The GRE configuration that I wrote up is how I thought the tunnels should be set up. Now, I have never done this before...

I was given authorization to put Wireshark on the network. I ran a mini DIS simulation exercise with the remote end. DIS does use Layer 3 IP broadcast. The broadcasts are sent to all nodes on a Class C network. So, the Src = 10.10.10.37 and the Dst = 154.16.32.255 I should have done before I...

You bring up a great point. To be honest I do not know if it is a Layer 2 Ethernet broadcast or a Layer 3 IP broadcast. I do not even have the equipment to set up a lab and test with yet. I have to do this all on paper. I should not mix my terminology up. Layer 2 = ff.ff.ff.ff.ff.ff and layer 3...

Jimi: I need a little help with GRE tunnels. My end goal is to push DIS UDP broadcasts and other TCP traffic from LAN A to LAN B. I need to push these broadcasts across some layer 3 encryption devices. So, I need to encapsulate the layer 2 UDP DIS broadcasts in a Layer 3 wrapper. This way I can...

Hi: I need a little help with GRE tunnels. My end goal is to push DIS UDP broadcasts and other TCP traffic from LAN A to LAN B. I need to push these broadcasts across some layer 3 encryption devices. So, I need to encapsulate the layer 2 UDP DIS broadcasts in a Layer 3 wrapper. This way I can...

Thanks for the reply. I need to push Distributed Interactive Simulation (DIS) broadcast across some Layer 3 devices (TACLANE units), across a WAN, back to another TACLANE and finally to a router that I can bridge to other devices. The DIS protocol uses UDP broadcasts. So I have to turn my...

I have one 2611 that has the Serial 0/0, Serial 0/1 and FastEthernet 0/0 interfaces as part of a bridge group. I need to add FastEthernet 0/1 into this bridge group. Not a problem. I also need the FastEthernet 0/1 to act as a GRE tunnel interface. Can I do this? Or Do I need another router to...