Cabletron Systems SMARTSWITCH ROUTER 9032578-05 Instrukcja Użytkownika Pobierz pdf (Strona 388)

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Appendix A: New Features Supported on Line Cards

362 SmartSwitch Router User Reference Manual

New Features that Require Specific Line Cards

T-series line cards, -AA revision line cards, and non -AA revision line cards can be used in

the same chassis. Version 3.0 and later firmware can detect the revision number of each

line card, and when configuring features that require -AA or T-series line cards, the

system checks to see if the line card revision matches.

This section explains how you can use line cards that support the feature and line cards

that do not support the feature in a single system. This document does not present

detailed command and configuration examples. Refer to the SSR User’s Manual and CLI

Reference Manual for more detail.

Network Address Translation

Network Address Translation (NAT) allows IP addresses to be translated between the

local (inside) interface and global (outside) interface. Ports that are assigned to the inside

and outside interfaces must reside on -AA or T-series hardware. This also applies to ports

that are assigned to an interface through a VLAN.

Diagram 1 shows a simple NAT example. Users on Network A appear to be on the same

subnet as Network W when traffic is going to the global Internet. There is no translation

between Network A and B or between Network B and W.

SSR-2-SX-AA

SSR-2-LX-AA

SSR-2-LX70-AA

SSR-2-SER-AA

XX X

SSR-2-SERC-AA

XX X

SSR-2-SERCE-AA

XX X

1 2 ... 383 384 385 386 387 388 389 390 391 392 393 ... 397 398

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