SPAN is ideal for capturing packets, but can only deliver them by forwarding them to some specified local or remote destination it provides no local display or analysis support. Prior to Cisco IOS Release XE 3.3.0SG, the Catalyst 4500 series switch offered only two features to address this need: SPAN and debug platform packet. To understand what happens inside a network requires the ability to capture and analyze traffic. Refer to the Cisco IOS Command Reference and related publications at this location:
If the command is not found in the Catalyst 4500 Series Switch Command Reference, it will be found in the larger Cisco IOS library.
Note For complete syntax and usage information for the switch commands used in this chapter, first look at the Cisco Catalyst 4500 Series Switch Command Reference and related publications at this location:
Note Wireshark is only supported on Supervisor Engine 7-E, Supervisor Engine 7L-E, and Catalyst 4500X-32.īeginning with Cisco IOS Release XE 3.3.0SG in the IP Base and Enterprise Services feature sets, the Catalyst 4500 series switch supports Wireshark, a packet analyzer program, formerly known as Ethereal, which supports multiple protocols and presents information in a text-based user interface. Displaying a Hexadecimal Dump Output from a.Activating and Deactivating a Capture Point.Defining, Modifying, or Deleting a Capture Point.Activating and Deactivating Wireshark Capture Points.Storing Captured Packets to Buffer in Memory.Attachment Points: Interfaces and traffic directions.Configuring Cisco IOS IP SLA Operations.Port Unicast and Multicast Flood Blocking.Configuring DHCP Snooping, IP Source Guard, and IPSG for Static Hosts.Configuring Control Plane Policing and Layer 2 Control Packet QoS.Configuring the PPPoE Intermediate Agent.Configuring 802.1X Port-Based Authentication.Configuring Bidirectional Forwarding Detection.Configuring Unicast Reverse Path Forwarding.Configuring LLDP, LLDP-MED, and Location Service.Configuring 802.1Q Tunneling, VLAN Mapping, and Layer 2 Protocol Tunneling.Configuring IGMP Snooping and Filtering.Configuring EtherChannel and Link State Tracking.Configuring Resilient Ethernet Protocol.Configuring Flex Links and MAC Address-Table Move Update.Configuring Layer 2 Ethernet Interfaces.Configuring the Catalyst 4500 Series Switch with Cisco Network Assistant.Environmental Monitoring and Power Management.Configuring Cisco NSF with SSO Supervisor Engine Redundancy.Configuring Supervisor Engine Redundancy Using RPR and SSO on Supervisor Engine 7-E and 7L-E.Configuring Supervisor Engine Redundancy Using RPR and SSO on Supervisor Engine 6-E and 6L-E.Configuring the Cisco IOS XE In Service Software Upgrade Process.Configuring the Cisco IOS In-Service Software Upgrade Process.Configuring the Switch for the First Time.
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