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ZyXEL FSG1100HN User Guide - Page 117

Notation, Subnet Mask, Host Id, Maximum, Number Of, Hosts, Alternative, Last Octet, Binary, Decimal

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Appendix B IP Addresses and Subnetting As these two IP addresses cannot be used for individual hosts, calculate the maximum number of possible hosts in a network as follows: Maximum Host Numbers SUBNET MASK HOST ID SIZE 8 bits 16 bits 24 bits 29 bits 255.0.0.0 255.255.0.0 255.255.255.0 255.255.255.248 24 bits 16 bits 8 bits 3 bits 224 - 2 216 - 2 28 - 2 23 - 2 MAXIMUM NUMBER OF HOSTS 16777214 65534 254 6 Notation Since the mask is always a continuous number of ones beginning from the left, followed by a continuous number of zeros for the remainder of the 32 bit mask, you can simply specify the number of ones instead of writing the value of each octet. This is usually specified by writing a "/" followed by the number of bits in the mask after the address. For example, 192.1.1.0 /25 is equivalent to saying 192.1.1.0 with subnet mask 255.255.255.128. The following table shows some possible subnet masks using both notations. Alternative Subnet Mask Notation SUBNET MASK 255.255.255.0 255.255.255.128 255.255.255.192 255.255.255.224 255.255.255.240 255.255.255.248 255.255.255.252 ALTERNATIVE NOTATION /24 /25 /26 /27 /28 /29 /30 LAST OCTET (BINARY) 0000 0000 1000 0000 1100 0000 1110 0000 1111 0000 1111 1000 1111 1100 LAST OCTET (DECIMAL) 0 128 192 224 240 248 252 FSG1100HN User's Guide 117

Section	Page
About This User's Guide	3
Safety Warnings	8
Table of Contents	10
Getting to Know Your FSG1100HN	15
Overview	15
Applications	15
Ways to Manage the FSG1100HN	16
Good Habits for Managing the FSG1100HN	16
LED and Rear Panel	16
The WPS Button	19
Overview	19
Introducing the Web Configurator	21
Overview	21
Accessing the Web Configurator	21
Resetting the FSG1100HN	22
Procedure to Use the Reset Button	22
Navigating the Web Configurator	23
WLAN Information: Multiple AP Table	24
Summary: Active Session Table	25
Setting the Device Mode	26
Wireless LAN	30
Overview	30
What You Can Do	31
What You Should Know	31
Wireless Basic Settings Screen	32
Multiple AP Table	33
Active Wireless Client Table	34
Wireless Advanced Settings Screen	35
Wireless Security Screen	37
WEP	37
WPA	39
WPA2	41
WPA-Mixed	42
Wireless Access Control Screen	44
Wi-Fi Protected Setup Screen	44
WAN	48
Overview	48
What You Can Do	48
WAN for DHCP Client Screen	49
WAN for Static IP Screen	51
WAN for PPPoE Screen	53
LAN	56
Overview	56
What You Can Do	56
What You Need To Know	57
IP Pool Setup	57
LAN TCP/IP	57
LAN General Screen	58
Active DHCP Client Table	59
Static DHCP	60
VLAN Screen	61
NAT	63
Overview	63
What You Can Do	63
NAT General Screen	64
NAT DMZ Screen	66
NAT Port Forwarding Screen	67
Firewall	71
What You Can Do	72
What You Need To Know	72
About the FSG1100HN Firewall	72
Firewall Filter Screen	73
Firewall Filter Add Screen	74
Firewall Denial of Service Screen	75
Firewall Content Filter Screen	77
Media Bandwidth Management	82
Media Bandwidth Management Screen	82
TR-069	85
TR-069 General Screen	85
Auto Provision	88
Auto Provision Screen	88
System Settings	93
System Settings General Screen	93
System Settings Dynamic DNS Screen	94
System Settings Time Screen	95
Log	98
Log Screen	98
Tools	100
Tools Firmware Screen	100
Tools Configuration Screen	100
Tools Restart Screen	101
Pop-up Windows, JavaScripts and Java Permissions	106
IP Addresses and Subnetting	114
Setting up Your Computer’s IP Address	124
Wireless LANs	142
Services	154
Legal Information	158
1. Grant of License for Personal Use	160
2. Ownership	160
3. Copyright	160
4. Restrictions	161
5. Confidentiality	161
6. No Warranty	161
7. Limitation of Liability	162
8. Export Restrictions	162
9. Audit Rights	162
10. Termination	162