Review Questions
| 1: | What does GRE stand for? |
| 2: | Is it possible to use a private IP address as the “tunnel destination” IP address when using GRE to carry traffic over the public Internet? |
| 3: | How many pairs of routers can one GRE tunnel connect? |
| 4: | What is the most common reason for using loopback interfaces as the source of a GRE tunnel? |
| 5: | How do you identify a GRE packet on a sniffer trace? |
| 6: | What does recursive routing mean in the context of a GRE tunnel? |
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