AT-S63 Management Software Features Guide
Section VII: Routing
347
Note
The AT-9408LC/SP, AT-9424T/GB, and AT-9424T/SP Switches do
not use the ARP table to move packets through the switching matrix.
They refer to the table only when they perform a management
function requiring them to communicate with another network node.
Default Gateway
The default gateway specifies the IP address of an interface on a
neighboring router. The switch’s management software uses this address
as the next hop to reaching a remote network device, such as a remote
Telnet, SSH, or web browser management workstation or a syslog server,
when the switch’s interface and the remote device are on different
subnets.
As an example, assume you wanted to manage the switch from a remote
management workstation on a different subnet than the local interface,
and needed the switch to access a RADIUS authentication server also on
a different subnet. Here, you would need to define a default gateway on
the switch so that the unit would know the next hop to reaching the remote
workstation and the RADIUS server.
The default gateway is only used for management functions, such as
communicating with a remote management workstation or sending events
to a syslog server. The default gateway is not used during the normal
Layer 2 switching of packets among the switch ports and, as such, is not
necessary for normal operations of the device.
You define the default gateway by creating a default route on the switch.
As explained in “Static Routes” on page 330, this type of route does not
specify a destination address. Rather, it simply defines the IP address of
the next hop, which becomes the default gateway for the switch.
The IP address of the next hop of the default route must be of the same
subnet as the switch’s interface.
Содержание AT-S63
Страница 14: ...Figures 14 ...
Страница 18: ...Tables 18 ...
Страница 28: ...28 Section I Basic Operations ...
Страница 58: ...Chapter 1 Overview 58 ...
Страница 76: ...Chapter 2 AT 9400Ts Stacks 76 Section I Basic Operations ...
Страница 96: ...Chapter 5 MAC Address Table 96 Section I Basic Operations ...
Страница 114: ...Chapter 8 Port Mirror 114 Section I Basic Operations ...
Страница 116: ...116 Section II Advanced Operations ...
Страница 146: ...Chapter 12 Access Control Lists 146 Section II Advanced Operations ...
Страница 176: ...Chapter 14 Quality of Service 176 Section II Advanced Operations ...
Страница 196: ...196 Section III Snooping Protocols ...
Страница 204: ...Chapter 18 Multicast Listener Discovery Snooping 204 Section III Snooping Protocols ...
Страница 216: ...Chapter 20 Ethernet Protection Switching Ring Snooping 216 Section III Snooping Protocols ...
Страница 218: ...218 Section IV SNMPv3 ...
Страница 234: ...234 Section V Spanning Tree Protocols ...
Страница 268: ...268 Section VI Virtual LANs ...
Страница 306: ...Chapter 27 Protected Ports VLANs 306 Section VI Virtual LANs ...
Страница 320: ...320 Section VII Internet Protocol Routing ...
Страница 360: ...Chapter 30 BOOTP Relay Agent 360 Section VII Routing ...
Страница 370: ...Chapter 31 Virtual Router Redundancy Protocol 370 Section VII Routing ...
Страница 372: ...372 Section VIII Port Security ...
Страница 402: ...Chapter 33 802 1x Port based Network Access Control 402 Section VIII Port Security ...
Страница 404: ...404 Section IX Management Security ...
Страница 436: ...Chapter 36 PKI Certificates and SSL 436 Section IX Management Security ...
Страница 454: ...Chapter 38 TACACS and RADIUS Protocols 454 Section IX Management Security ...
Страница 462: ...Chapter 39 Management Access Control List 462 Section IX Management Security ...
Страница 504: ...Appendix B SNMPv3 Configuration Examples 504 Security Model Security Level Storage Type SNMPv3 Parameters Continued ...
Страница 532: ...Appendix D MIB Objects 532 ...