What makes a router RFC 1542 compliant? The function to block all broadcast traffic The feature to encrypt DHCP messages The ability to assign static IP addresses The capability to forward DHCP traffic between subnets
Added by Kevin R.
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Step 1: RFC 1542 defines the standard for the Dynamic Host Configuration Protocol (DHCP) relay agent. Show more…
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9) You have two network segments separated by a router. A host on one segment does an ARP request for a certain IP Address. Would that request cross the router? A) Yes, because routers forward broadcasts B) Yes, if there is a hub between segments C) Only if you have a Caching Engine D) No, routers do not forward broadcasts
Akash M.
R2 is now set to be the DHCP server to provide IP addresses for all PC1 to PC6. The first 15 usable IP addresses of the four networks are reserved for static IP addresses. Use the pool name LAN_A for the network 20.0.0.0, LAN_B for the network 21.0.0.0, LAN_C for the network 145.61.0.0, and LAN_D for the network 200.164.20.0. Also, include the default gateway and DNS server in the DHCP assignment. a. Besides the first 15 usable IP addresses of each network, there is one more IP address that should be excluded from the DHCP pool based on the information given. What is it? b. Write the commands on R2 to set up the DHCP server based on the requirement. Also, consider part (a) answer. c. Assume your command typed on R2 is correct, it is found that not all PCs can get the IP addresses from DHCP. i. Which PCs cannot get the IP address? ii. What is the reason for this issue from the lab experience? iii. Write down commands to solve the problem. 2. Assume all PCs got the IP addresses from the DHCP server already. a. Assume the ARP table of PC3 is empty. After pinging from PC3 to PC5, what entry should be added to PC3's ARP table? (You may just refer to which PC or which router interface) b. What is the command to show the ARP table in PC3? c. List all of the devices or router interfaces that would appear in PC5's ARP table if all devices communicate with each other. d. Assume all ARP tables of the devices are empty. When pinging from PC2 to PC3, it is found that the first ping result is "request timed out," but the other 3 ping results are successful. Explain why.
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