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GUESTBOOK

NETWORK PROTOCOLS OBJECTIVES

28. Novell IPX operation on the router.

29. Describe the two parts of network addressing, then identify the parts in specific protocol address examples.

30. Create the different classes of IP addresses [and subnetting].

31. Configure IP addresses.

32. Verify IP addresses.

33. The required IPX address and encapsulation type.

34. Basic Tools.

35. Protocol of the Host-to-host layer of the DOD model.

36. Protocol of the Internet layer of the DOD model.

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28. Novell IPX operation on the router.

• IPX address
  • sh ipx int (Interface and parameter: SAP & RIP)
  • sh prot
• IPX routing table
  • sh ipx route
• NetWare servers
  • sh ipx servers
• Round-robin
  • ipx maximum-paths

29. Describe the two parts of network addressing, then identify the parts in specific protocol address examples.

IPX address aaaa.bbbb.cccc.dddd

• aaaa is a network number
• bbbb.cccc.dddd is a node number

30. Create the different classes of IP addresses [and subnetting].

31. Configure IP addresses.

32. Verify IP addresses.

33. The required IPX address and encapsulation type.

• Ethernet_II has a type field to identify the upper-layer protocol.
• 802.2 uses DSAP and SSAP to identify the upper-layer protocol.

34. Basic Tools.

• Telnet (terminal emulation protocol) - Terminal emulation program used to create a virtual window to a remote device.
• Ping (packet internet groper)
  • Used to test connectivity between IP hosts.
  • Uses ICMP Internet layer protocol besides IP.
• Trace (trace route), used to define the route a packet travels through an internetwork to a remote node.

35. Protocol of the Host-to-host layer of the DOD model.

• TCP and UDP set up sessions with other hosts using port number 1023 and above.

36. Protocol of the Internet layer of the DOD model.

• IP (internet protocol) - A connectionless protocol.
  • Works at the Internet layer.
  • Responsible for making routing decition. It looks at the destination network address in the packet and forwards the packet, based on routing tables and what it determines to be the best route to the destination.
• ARP (address resolution protocol), used to find a hardware address, given that IP address.
• RARP (reverse ARP), used to find an IP address, given the hardware address.
• BootP (boot program), used for giving diskless workstation an IP for logical network addressing to learn
  • Its IP address.
  • The IP address of a server machine.
  • The name of a file that is to be loaded into memory and executed at boot up.
• ICMP (internet control message protocol)
  • A management protocol and messaging service provider for IP. Its messages are carried as IP datagrams.
  • Sends redirects back to an originating router.
  • Alerts routers if a network outage or congestion occurs so they can make different routing decision based on that information.
  • Common events and messages:
    • Destination unreachable.
    • Buffer full.
    • Hops.
    • ping.
    • trace.