bcmsn09交換網絡性能優(yōu)化與安全-全文預覽
【正文】 cl_name}| mac address acl_name} ? Configures the match clause in a VLAN access map sequence Switch(configaccessmap)action {drop [log]} | {forward [capture]} | {redirect {type slot/port} | {portchannel channel_id}} ? Configures the action clause in a VLAN access map sequence Switch(config)vlan filter map_name vlan_list list ? Applies the VLAN access map to the specified VLANs 169。 2022, Cisco Systems, Inc. All rights reserved. BCMSN — 926 Verifying Port Security Switchshow portsecurity ? Displays security information for all interfaces Switchshow portsecurity Secure Port MaxSecureAddr CurrentAddr SecurityViolation Security Action (Count) (Count) (Count) Fa5/1 11 11 0 Shutdown Fa5/5 15 5 0 Restrict Fa5/11 5 4 0 Protect Total Addresses in System: 21 Max Addresses limit in System: 128 169。 2022, Cisco Systems, Inc. All rights reserved. BCMSN — 922 ? Port security is a MAC address lockdown that disables the port if the MAC address is not valid. Network Access Port Security 169。 2022, Cisco Systems, Inc. All rights reserved. BCMSN — 918 AAA Network Configuration ? Authentication – Verifies a user’s identify ? Authorization – Specifies the permitted tasks for the user ? Accounting – Provides billing, auditing, and monitoring 169。 2022, Cisco Systems, Inc. All rights reserved. 915 Securing Multilayer Switched Networks 169。 2022, Cisco Systems, Inc. All rights reserved. BCMSN — 911 NAM Initial Configuration ? Assign parameters – IP address – Sub mask – IP broadcast address – IP host name – Default gateway – Domain name – DNS name server – SNMP (MIB variables, access control, system group settings) ? Start the web server 169。 2022, Cisco Systems, Inc. All rights reserved. BCMSN — 97 Remote SPAN 169。 2022, Cisco Systems, Inc. All rights reserved. BCMSN — 93 Objectives Upon pleting this lesson, you will be able to: ? Describe techniques to enhance the performance of a multilayer switched work ? Monitor switch ports using SPAN and VSPAN ? Monitor switch ports using RSPAN ? Describe the features and operation of work analysis modules on Catalyst switches to improve work traffic management ? Verify and troubleshoot the operation of work analysis modules 169。169。 2 03, Cisco Systems, Inc. All rights reserved. BCMSN — 92 169。 2022, Cisco Systems, Inc. All rights reserved. BCMSN — 96 Configuring SPAN Switch(config)monitor session {session_num} {source {interface type/num} | {vlan num}} [, | | rx | tx |both] ? Configures a SPAN session to monitor traffic Switch(config)monitor session {session_number} {destination {interface
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