Cabletron Systems 9032578-05 manual Monitoring Layer-2 Security Filters, Layer-2 Filter Examples

Models: 9032578-05

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Chapter 20: Security Configuration Guide

Monitoring Layer-2 Security Filters

The SSR provides display of Layer-2 security filter configurations contained in the routing table.

To display security filter information, enter the following commands in Enable mode.

Show address filters.

filters show address-filter

 

[all-sourceall-destinationall-flow]

 

[source-mac <MACaddr> dest-mac <MACaddr>]

 

[ports <port-list>] [vlan <VLAN-num>]

 

 

Show port address lock

filters show port-address-lock ports

filters.

[ports <port-list>] [vlan <VLAN-num>]

 

[source-mac <MACaddr>]

 

 

Show secure port filters.

filters show secure-port

 

 

Show static entry filters.

filters show static-entry

 

[all-sourceall-destinationall-flow]

 

ports <port-list> vlan <VLAN-num>

 

[source-mac <MACaddr> dest-mac <MACaddr>]

 

 

Layer-2 Filter Examples

 

 

 

 

 

 

 

SSR

 

 

 

 

 

et.1.1

et.1.2

et.1.3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Hub

 

 

 

 

 

 

 

 

 

 

 

 

 

Engineering

Finance

 

 

 

 

 

 

 

File Servers

File Servers

Engineers,

 

 

 

 

 

Consultant

 

 

 

 

 

Figure 24. Source Filter Example

Example 1: Address Filters

Source filter: The consultant is not allowed to access any file servers. The consultant is only allowed to interact with the engineers on the same Ethernet segment – port et.1.1. All traffic coming from the consultant’s MAC address will be dropped.

filters add address-filter name consultant source-mac 001122:334455 vlan 1 in-port-list et.1.1

SmartSwitch Router User Reference Manual

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Cabletron Systems 9032578-05 manual Monitoring Layer-2 Security Filters, Layer-2 Filter Examples