1. 111 © 2003, Cisco Systems, Inc. All rights reserved. Cisco Feedback is Essential:- Ca2dts has not completed Course Feedback ca5dpa has not completed Course Feedback ellent has not completed Course Feedback wredhouse has not completed Course Feedback

2. 222 © 2003, Cisco Systems, Inc. All rights reserved. University Feedback:- http://osiris.sunderland.ac.uk/

3. 333 © 2003, Cisco Systems, Inc. All rights reserved. Chapter 1 Labs 1.1.4Calculating VLSM Subnets1.1.4 1.2.3Review of Basic Router Configuration with RIP1.2.3 1.2.4Converting RIP v1 to RIPv21.2.4 1.2.5Verifying RIP v2 Configuration1.2.5 1.2.6Troubleshooting RIP v2 using Debug1.2.6 1.2.3Review of Basic Router Configuration including RIP1.2.3 1.2.4Converting RIP v1 to RIP v21.2.4 1.2.6RIP v2 using Debug1.2.6

4. 444 © 2003, Cisco Systems, Inc. All rights reserved. RECAP VLSM and CIDR

5. 555 © 2003, Cisco Systems, Inc. All rights reserved. VLSM Labs

6. 666 © 2003, Cisco Systems, Inc. All rights reserved. The largest subnet requires 400 hosts = 2 9 – 2 = 510 possible hosts 192.168.0001100x.xxxxxxxx =.24.0/23 The next largest subnet requires 200 hosts = 2 8 – 2 = 254 possible hosts 192.168.00011010.xxxxxxxx =.26.0 /24

7. 777 © 2003, Cisco Systems, Inc. All rights reserved. The next largest subnet requires 50 hosts = 2 6 – 2 = 62 possible hosts 192.168.00011011.00xxxxxx =.27.0/ 26 The next largest subnet requires 50 hosts = 2 6 – 2 = 62 possible hosts 192.168.00011011.01xxxxxx =.27.64/ 26

8. 888 © 2003, Cisco Systems, Inc. All rights reserved. CIDR / Supernetting Example Company A requires 945 IP addresses Using the old system it can be assigned either a Class B address or 4 Class C address This would generate 4 entries in the ISP routing table

9. 999 © 2003, Cisco Systems, Inc. All rights reserved. Using CIDR the ISP is able to use four consecutive IP address 200.10.0.0 / 24 200.10.1.0 / 24 200.10.2.0 / 24 200.10.3.0 /24 This block can be summarised as 200.10.0.0/ 22

10. 10 © 2003, Cisco Systems, Inc. All rights reserved. In Binary 200.10.00000000.0 / 22 200.10.00000001.0 / 22 200.10.00000010.0 / 22 200.10.00000011.0 /22 This allows bits borrowed from the network portion to be given to host addresses