Network Router User Manual
Table Of Contents
- Notices
- Contents
- About This Manual
- Introduction
- Hot Swapping Line Cards and Control Modules
- Bridging Configuration Guide
- Bridging Overview
- VLAN Overview
- Configuring SSR Bridging Functions
- Monitoring Bridging
- Configuration Examples
- SmartTRUNK Configuration Guide
- ATM Configuration Guide
- Packet-over-SONET Configuration Guide
- DHCP Configuration Guide
- IP Routing Configuration Guide
- IP Routing Protocols
- Configuring IP Interfaces and Parameters
- Configuring IP Interfaces to Ports
- Configuring IP Interfaces for a VLAN
- Specifying Ethernet Encapsulation Method
- Configuring Jumbo Frames
- Configuring Address Resolution Protocol (ARP)
- Configuring Reverse Address Resolution Protocol (RARP)
- Configuring DNS Parameters
- Configuring IP Services (ICMP)
- Configuring IP Helper
- Configuring Direct Broadcast
- Configuring Denial of Service (DOS)
- Monitoring IP Parameters
- Configuring Router Discovery
- Configuration Examples
- VRRP Configuration Guide
- RIP Configuration Guide
- OSPF Configuration Guide
- BGP Configuration Guide
- Routing Policy Configuration Guide
- Route Import and Export Policy Overview
- Configuring Simple Routing Policies
- Configuring Advanced Routing Policies
- Multicast Routing Configuration Guide
- IP Policy-Based Forwarding Configuration Guide
- Network Address Translation Configuration Guide
- Web Hosting Configuration Guide
- Overview
- Load Balancing
- Web Caching
- IPX Routing Configuration Guide
- Access Control List Configuration Guide
- Security Configuration Guide
- QoS Configuration Guide
- Performance Monitoring Guide
- RMON Configuration Guide
- LFAP Configuration Guide
- WAN Configuration Guide
- WAN Overview
- Frame Relay Overview
- Configuring Frame Relay Interfaces for the SSR
- Monitoring Frame Relay WAN Ports
- Frame Relay Port Configuration
- Point-to-Point Protocol (PPP) Overview
- Configuring PPP Interfaces
- Monitoring PPP WAN Ports
- PPP Port Configuration
- WAN Configuration Examples
- New Features Supported on Line Cards

SmartSwitch Router User Reference Manual 283
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.
Layer-2 Filter Examples
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.
Show address filters.
filters show address-filter
[all-source|all-destination|all-flow]
[source-mac
<MACaddr> dest-mac <MACaddr>]
[ports
<port-list>] [vlan <VLAN-num>]
Show port address lock
filters.
filters show port-address-lock ports
[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-source|all-destination|all-flow]
ports
<port-list> vlan <VLAN-num>
[source-mac
<MACaddr> dest-mac <MACaddr>]
et.1.1 et.1.2 et.1.3
Hub
Engineers,
Consultant
Engineering
File Servers
Finance
File Servers
SSR
filters add address-filter name consultant source-mac 001122:334455
vlan 1 in-port-list et.1.1