In this section, you will write out the answers to the following IPX related questions.
1. Write the command that lets you view your configured routed proto- cols on your router.
Ans- sh running protocol
2. Write the command to enable the IPX-routed protocol.
Ans- ipx routing
3. Write the command that enables IPX on individual interfaces. Config- ure an Ethernet 0 interface with IPX network 11, Token Ring with IPX network 15, and serial 0 with IPX network 20.
Ans- #conf t
#ipx routing fa0/0 11
#ipx routing
#interface 15
#ipx routing serial 0 20
4. Write the command that lets you see the IPX routing table.
Ans- sh ipx route
5. Write the two commands you can use to see the IPX address of an interface.
Ans- #ipx network
#
6. Write the two commands that will find your neighbor’s IPX address.
Ans- #show ipx neighbors
#show ipx neighbors (interface) (detail)
7. Add the Ethernet_II frame type to an Ethernet 0 interface, but don’t use a subinterface to accomplish this. Use IPX network number 11a.
Ans- #ip routing
#int eth0/0
#ipx network 11a encapsulation arpa
8. Add the 802.2 and SNAP frame types to an Ethernet 0 interface using subinterfaces. Use 11b and 11c IPX network numbers.
Ans- #ip routing
#int eth0/0
#ipx network 11b encapsulation 802.2
#int eth0/0
#ipx network 11c encapsulation SNAP
9. Write the commands that you can use to verify your IPX configuration.
Ans- show ipx route
In this section, you will configure three 2501 routers with IPX routing. There are two labs. The first one configures IPX routing with 802.3 frame types; the second lab configures multiple frame types on the same physical LAN.
Lab 8.1: Configuring Internetworking Packet Exchange (IPX)
Lab 8.2: Adding Secondary Network Addresses and Multiple Frame Types with IPX
Both labs will use Figure 8.5 to configure the network.
FIGURE 8.5 IPX lab figure
RouterA#config t
RouterA(config)#ipx routing
RouterA(config)#^Z
2501A#config t
2501A(config)#int e0
2501A(config-if)#ipx network 11
2501A(config-if)#int to0
2501A(config-if)#ipx network 15
2501A(config-if)#int s0
2501A(config-if)#ipx network 20
In Lab 8.1, you added IPX routing to your routers and IPX network numbers to your interfaces. By default, Cisco routers run the 802.3 Ethernet frame type. To add a second frame type (Ethernet supports four) to your Ethernet, use the encapsulation command. However, you need to remember two things: You must use a different network number for each frame type and you cannot add Ethernet frame types to a serial link. Let’s configure Router A with a second frame type on the Ethernet LAN.
1. In Ethernet configuration mode, use the IPX network command with a different IPX network number and then use the encapsulation command. Here is an example on Router A:
RouterA#config t
RouterA(config)#int e0
RouterA(config-if)#ipx network 11a encapsulation?
arpa Novell Ethernet_II
hdlc HDLC on serial links
novell-ether Novell Ethernet_802.3
novell-fddi Novell FDDI RAW
sap IEEE 802.2 on Ethernet, FDDI, Token Ring
snap IEEE 802.2 SNAP on Ethernet, Token Ring, and FDDI
2. Notice the different options available. To use the Ethernet_II frame type, you need to use the arpa keyword. You can use sec instead of the full command secondary. Notice that you are adding the Ethernet_II frame type to your Ethernet LAN off of interface E0 on Router A.
RouterA(config-if)#ipx network 11a encapsulation arpa?
secondary Make this network a secondary network
< cr >
RouterA(config-if)#ipx network 11a encapsulation arpa secondary
3. You can also add a secondary network number and frame type by using subinterfaces. There is not a functional difference between using the secondary command and subinterfaces. However, using subinter- faces will possibly allow you more configuration control over using the secondary command. Use a subinterface command on an Ether- net network:
RouterC#config t
RouterC(config)#int e0.?
<0-4294967295> Ethernet interface number RouterC(config)#int e0.1500
RouterC(config-subif)#ipx network 10b encap?
arpa Novell Ethernet_II
hdlc HDLC on serial links novell-ether Novell Ethernet_802.3 novell-fddi Novell FDDI RAW
sap IEEE 802.2 on Ethernet, FDDI, Token Ring
snap IEEE 802.2 SNAP on Ethernet, Token Ring, and FDDI
RouterC(config-subif)#ipx network 10b encap sap
4. Notice that you can create over four billion subinterfaces. In the com- mands above, I used a number (1500), with no particular significance. I also configured the frame type of 802.2 to run on the LAN. You do not have to use the secondary command when using subinterfaces.
5. There is one more frame type that can be used on Ethernet: SNAP. Create another subinterface on Ethernet 0.
RouterC#config t
RouterC(config)#int e0.?
<0-4294967295> Ethernet interface number RouterC(config)#int e0.1600
RouterC(config-subif)#ipx network 10c encap?
arpa Novell Ethernet_II
hdlc HDLC on serial links novell-ether Novell Ethernet_802.3
novell-fddi Novell FDDI RAW
sap IEEE 802.2 on Ethernet, FDDI, Token Ring
snap IEEE 802.2 SNAP on Ethernet, Token Ring, and FDDI
RouterC(config-subif)#ipx network 10c encap snap
6. Verify your IPX configuration by using the show ipx route, show ipx interface, and show protocol commands.
7. For practice, configure secondary and subinterfaces on all other routers.
1. Which of the following provides connection-oriented transport to upper-layer protocols?
2. Which of the following can respond to a client GNS request? (Choose all that apply.)
3. How often do servers exchange RIP and SAP information unless set otherwise?
4. How can you configure a secondary subinterface on your Ethernet interface?
5. Given the IPX address 71.00A0.2494.E939, which of the following is the associated IPX network and node address?
6. If you bring up a new NetWare server and the Novell clients cannot see the server, what could the problem be?
7. Which of the following are valid methods of including multiple encap- sulations on a single interface? (Choose all that apply.)
8. Which command would you use to see if you were receiving SAP and RIP information on an interface?
9. Which command would you use to check if the router is hearing your server SAPs?
10. Which commands will allow you to display the IPX address of an interface? (Choose all that apply.)
11. You want to forward IPX packets over multiple paths. What com- mand do you use?
12. Which of the following are valid Cisco encapsulation names? (Choose all that apply.)
13. Which commands, at a minimum, must be used to enable IPX net- working?
14. What is the default encapsulation on an Ethernet interface when enabling Novell?
15. What command will show you the amount of ticks that it takes an IPX packet to reach a remote network?
16. If you want to run the 802.2 frame type on your Ethernet interface, which encapsulation type should you choose?
17. If you want to enable the Ethernet_II frame type on your Ethernet interface, which encapsulation should you use?
18. Which of the following commands will show you the routed protocols running on your Cisco router?
19. Which command will show the network servers advertising on your network?
20. Which command will show you the IPX RIP packets being sent and received on your router?
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