Chapter 13 Interfaces
ZyWALL USG 1000 User’s Guide
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• Egress bandwidth sets the amount of traffic the ZyWALL sends out through the
interface to the network.
• Ingress bandwidth sets the amount of traffic the ZyWALL allows in through the
interface from the network.
1
If you set the bandwidth restrictions very high, you effectively remove the
restrictions.
The ZyWALL also restricts the size of each data packet. The maximum number of
bytes in each packet is called the maximum transmission unit (MTU). If a packet is
larger than the MTU, the ZyWALL divides it into smaller fragments. Each fragment
is sent separately, and the original packet is re-assembled later. The smaller the
MTU, the more fragments sent, and the more work required to re-assemble
packets correctly. On the other hand, some communication channels, such as
Ethernet over ATM, might not be able to handle large data packets.
DHCP Settings
Dynamic Host Configuration Protocol (DHCP, RFC 2131, RFC 2132) provides a way
to automatically set up and maintain IP addresses, subnet masks, gateways, and
some network information (such as the IP addresses of DNS servers) on
computers in the network. This reduces the amount of manual configuration you
have to do and usually uses available IP addresses more efficiently.
In DHCP, every network has at least one DHCP server. When a computer (a DHCP
client) joins the network, it submits a DHCP request. The DHCP servers get the
request; assign an IP address; and provide the IP address, subnet mask, gateway,
and available network information to the DHCP client. When the DHCP client
leaves the network, the DHCP servers can assign its IP address to another DHCP
client.
In the ZyWALL, some interfaces can provide DHCP services to the network. In this
case, the interface can be a DHCP relay or a DHCP server.
As a DHCP relay, the interface routes DHCP requests to DHCP servers on different
networks. You can specify more than one DHCP server. If you do, the interface
routes DHCP requests to all of them. It is possible for an interface to be a DHCP
relay and a DHCP client simultaneously.
As a DHCP server, the interface provides the following information to DHCP clients.
1.
At the time of writing, the ZyWALL does not support ingress bandwidth management.
Содержание ZyWALL 1050
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Страница 30: ...Table of Contents ZyWALL USG 1000 User s Guide 30 ...
Страница 31: ...31 PART I User s Guide ...
Страница 32: ...32 ...
Страница 38: ...Chapter 1 Introducing the ZyWALL ZyWALL USG 1000 User s Guide 38 ...
Страница 46: ...Chapter 2 Features and Applications ZyWALL USG 1000 User s Guide 46 ...
Страница 64: ...Chapter 3 Web Configurator ZyWALL USG 1000 User s Guide 64 ...
Страница 74: ...Chapter 4 Installation Setup Wizard ZyWALL USG 1000 User s Guide 74 ...
Страница 116: ...Chapter 6 Configuration Basics ZyWALL USG 1000 User s Guide 116 ...
Страница 168: ...Chapter 7 Tutorials ZyWALL USG 1000 User s Guide 168 ...
Страница 205: ...Chapter 8 L2TP VPN Example ZyWALL USG 1000 User s Guide 205 ...
Страница 206: ...Chapter 8 L2TP VPN Example ZyWALL USG 1000 User s Guide 206 ...
Страница 207: ...207 PART II Technical Reference ...
Страница 208: ...208 ...
Страница 222: ...Chapter 9 Dashboard ZyWALL USG 1000 User s Guide 222 ...
Страница 264: ...Chapter 10 Monitor ZyWALL USG 1000 User s Guide 264 ...
Страница 285: ...Chapter 13 Interfaces ZyWALL USG 1000 User s Guide 285 Figure 244 Configuration Network Interface Ethernet Edit ...
Страница 302: ...Chapter 13 Interfaces ZyWALL USG 1000 User s Guide 302 Figure 250 Configuration Network Interface Cellular Add ...
Страница 312: ...Chapter 13 Interfaces ZyWALL USG 1000 User s Guide 312 Figure 254 Configuration Network Interface VLAN Edit ...
Страница 322: ...Chapter 13 Interfaces ZyWALL USG 1000 User s Guide 322 Figure 256 Configuration Network Interface Bridge Add ...
Страница 336: ...Chapter 13 Interfaces ZyWALL USG 1000 User s Guide 336 ...
Страница 346: ...Chapter 14 Trunks ZyWALL USG 1000 User s Guide 346 ...
Страница 362: ...Chapter 15 Policy and Static Routes ZyWALL USG 1000 User s Guide 362 ...
Страница 376: ...Chapter 16 Routing Protocols ZyWALL USG 1000 User s Guide 376 ...
Страница 396: ...Chapter 19 NAT ZyWALL USG 1000 User s Guide 396 ...
Страница 401: ...Chapter 20 HTTP Redirect ZyWALL USG 1000 User s Guide 401 ...
Страница 402: ...Chapter 20 HTTP Redirect ZyWALL USG 1000 User s Guide 402 ...
Страница 424: ...Chapter 23 Authentication Policy ZyWALL USG 1000 User s Guide 424 ...
Страница 442: ...Chapter 24 Firewall ZyWALL USG 1000 User s Guide 442 ...
Страница 449: ...Chapter 25 IPSec VPN ZyWALL USG 1000 User s Guide 449 Figure 323 Configuration VPN IPSec VPN VPN Connection Edit IKE ...
Страница 460: ...Chapter 25 IPSec VPN ZyWALL USG 1000 User s Guide 460 Figure 326 Configuration VPN IPSec VPN VPN Gateway Edit ...
Страница 483: ...Chapter 25 IPSec VPN ZyWALL USG 1000 User s Guide 483 ...
Страница 484: ...Chapter 25 IPSec VPN ZyWALL USG 1000 User s Guide 484 ...
Страница 497: ...Chapter 26 SSL VPN ZyWALL USG 1000 User s Guide 497 ...
Страница 498: ...Chapter 26 SSL VPN ZyWALL USG 1000 User s Guide 498 ...
Страница 508: ...Chapter 27 SSL User Screens ZyWALL USG 1000 User s Guide 508 ...
Страница 510: ...Chapter 28 SSL User Application Screens ZyWALL USG 1000 User s Guide 510 ...
Страница 518: ...Chapter 29 SSL User File Sharing ZyWALL USG 1000 User s Guide 518 ...
Страница 603: ...Chapter 34 IDP ZyWALL USG 1000 User s Guide 603 ...
Страница 604: ...Chapter 34 IDP ZyWALL USG 1000 User s Guide 604 ...
Страница 614: ...Chapter 35 ADP ZyWALL USG 1000 User s Guide 614 Figure 416 Profiles Protocol Anomaly ...
Страница 625: ...Chapter 35 ADP ZyWALL USG 1000 User s Guide 625 ...
Страница 626: ...Chapter 35 ADP ZyWALL USG 1000 User s Guide 626 ...
Страница 658: ...Chapter 37 Content Filter Reports ZyWALL USG 1000 User s Guide 658 ...
Страница 676: ...Chapter 38 Anti Spam ZyWALL USG 1000 User s Guide 676 ...
Страница 698: ...Chapter 39 Device HA ZyWALL USG 1000 User s Guide 698 ...
Страница 714: ...Chapter 40 User Group ZyWALL USG 1000 User s Guide 714 ...
Страница 720: ...Chapter 41 Addresses ZyWALL USG 1000 User s Guide 720 ...
Страница 732: ...Chapter 43 Schedules ZyWALL USG 1000 User s Guide 732 ...
Страница 748: ...Chapter 45 Authentication Method ZyWALL USG 1000 User s Guide 748 ...
Страница 770: ...Chapter 46 Certificates ZyWALL USG 1000 User s Guide 770 ...
Страница 782: ...Chapter 48 SSL Application ZyWALL USG 1000 User s Guide 782 ...
Страница 788: ...Chapter 49 Endpoint Security ZyWALL USG 1000 User s Guide 788 Figure 502 Configuration Object Endpoint Security Add ...
Страница 792: ...Chapter 49 Endpoint Security ZyWALL USG 1000 User s Guide 792 ...
Страница 844: ...Chapter 50 System ZyWALL USG 1000 User s Guide 844 ...
Страница 861: ...Chapter 51 Log and Report ZyWALL USG 1000 User s Guide 861 ...
Страница 862: ...Chapter 51 Log and Report ZyWALL USG 1000 User s Guide 862 ...
Страница 886: ...Chapter 54 Reboot ZyWALL USG 1000 User s Guide 886 ...
Страница 888: ...Chapter 55 Shutdown ZyWALL USG 1000 User s Guide 888 ...
Страница 908: ...Chapter 56 Troubleshooting ZyWALL USG 1000 User s Guide 908 ...
Страница 916: ...Chapter 57 Product Specifications ZyWALL USG 1000 User s Guide 916 ...
Страница 1070: ...Appendix E Open Software Announcements ZyWALL USG 1000 User s Guide 1070 ...
Страница 1101: ...Index ZyWALL USG 1000 User s Guide 1101 ...