CCIE Practical Studies, Volume I

Part II

Section VIII: IPX Configuration

1. Configure an IPX network on all interfaces except the loopback interfaces and the backbones. Use IPX EIGRP on the Frame Relay network, and use IPX RIP on all LAN interfaces.

2. Configure a static SAP on R5. The SAP is file services SAP, called FILESERV, and it is two hops away on network 0xBB00. You can use a static route, if needed.

3. Prevent R3 from seeing the SAP FILESERV.

4. Configure IPX over ISDN on R1 and R5. Configure IPX so that routes are passed from R5 to R1 over ISDN.

Section IX: DLSw Configuration

1. Configure a DLSw TCP peer between VLAN 2 and Ring 2. Do not configure a remote peer on R2.

2. Allow only SNA traffic to cross from VLAN 2 headed for Ring 2. Use as few lines as possible in the ACL.

3. A large amount of IP fragmentation is occurring on VLAN 2. Tune DLSw so that the IP fragmentation will not occur as often.

Section X: Bridging

1. Configure remote source-route bridging from Ring 1 to Ring 2. One IBM mainframe resides on each Token Ring. Many retransmissions are occurring on the serial links between R2 and R4. This results in duplicate frames reaching the remote host at the same time as the first frame reaches the remote host. The duplication breaks LLC2, resulting in the loss of sessions between the two IBM mainframes. Prevent this from happing. Your solution should take into account scaling issues as well.