Information Technology Reference
In-Depth Information
11000000.10101000.01000000.00000000
11000000.10101000.01001000.00000000
11000000.10101000.01010000.00000000
11000000.10101000.01011000.00000000
Summary Route: 192.168.64.0/19
Summary Route Exercise 4
Referring to Figure 2-6, what summary route would R1 send to BBR for the four networks?
Write your answer in the space provided.
Figure 2-6
Summary Route Exercise 4 (Answer)
172.16.0.0/14
172.20.0.0/14
R1
BBR
172.24.0.0/14
Summary Route
172.16.0.0/12
172.28.0.0/14
10101100.00010000.00000000.00000000
10101100.00010100.00000000.00000000
10101100.00011000.00000000.00000000
10101100.00011100.00000000.00000000
Summary Route: 172.16.0.0/12
Your students might be interested to know that the summary route 172.16.0.0/12 is also the entire
range of Class B private IP addresses as defined by RFC 1918.
