D-Link DES-3326SR User Manual page 77

DES-3326SR Layer 3 Fast Ethernet Switch User's Guide
# of Subnet Mask
Bits
2 255.255.192
3 255.255.224.0
4 255.255.240.0
5 255.255.248.0
6 255.255.252.0
7 255.255.254.0
8 255.255.255.0
9 255.255.255.128
10 255.255.255.192
11 255.255.255.224
12 255.255.255.240
13 255.255.255.248
14 255.255.255.252
Table 5-10. Class B Subnet Masks
# of Subnet Mask
Bits
2 255.255.255.192
3 255.255.255.224
4 255.255.255.240
5 255.255.255.248
6 255.255.255.252
Table 5-11. Class C Subnet Masks
Setting up IP Interfaces
The Layer 3 switch allows ranges of IP addresses (OSI layer 3)
to be assigned to VLANs (OSI layer 2). Each VLAN must be
CIDR # of # of
Notation Subnets Hosts
/18 2 16382
/19 6 8190
/20 14 4094
/21 30 2046
/22 62 1022
/23 126 510
/24 254 254
/25 510 126
/26 1022 62
/27 2046 30
/28 4094 14
/29 8190 6
/30 16382 2
CIDR # of # of
Notation Subnets Hosts
/26 2 62
/27 6 30
/28 14 14
/29 30 6
/30 62 2
65
Total
Hosts
32764
49140
57316
61380
63364
64260
64516
64260
63364
61380
57316
49140
32764
Total
Hosts
124
180
196
180
124