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... the Catalyst enterprise LAN switches: • Catalyst 4000 Series Switch Installation Guide • Catalyst 4500 Series Switch Installation Guide • Catalyst 4912G Installation Guide • Catalyst 2948G and 2980G Installation Guide • Catalyst 4000 Family, 2948G, and 2980G Switches Quick Software Configuration • Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference • System Message Guide-Catalyst 6500 Series, Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches •...
... the Catalyst enterprise LAN switches: • Catalyst 4000 Series Switch Installation Guide • Catalyst 4500 Series Switch Installation Guide • Catalyst 4912G Installation Guide • Catalyst 2948G and 2980G Installation Guide • Catalyst 4000 Family, 2948G, and 2980G Switches Quick Software Configuration • Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference • System Message Guide-Catalyst 6500 Series, Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches •...
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... factory installed on every supervisor engine module or fixed-configuration switch. For descriptions of the Catalyst 2980G switch hardware, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 1-3 For more information, see Chapter 2, "Using the Command-Line Interface." Some modules require an additional software image...
... factory installed on every supervisor engine module or fixed-configuration switch. For descriptions of the Catalyst 2980G switch hardware, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 1-3 For more information, see Chapter 2, "Using the Command-Line Interface." Some modules require an additional software image...
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... all switch and ROM monitor commands, refer to configure the Catalyst enterprise LAN switches and modules. CH A P T E R 2 Using the Command-Line Interface This chapter describes the command-line interface (CLI) that you use to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. You can abbreviate commands and parameters as long as they contain enough letters to the Cisco IOS software command reference publications...
... all switch and ROM monitor commands, refer to configure the Catalyst enterprise LAN switches and modules. CH A P T E R 2 Using the Command-Line Interface This chapter describes the command-line interface (CLI) that you use to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. You can abbreviate commands and parameters as long as they contain enough letters to the Cisco IOS software command reference publications...
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... ROM monitor mode by pressing Ctrl-C within the first 5 seconds of startup. The system will now begin autobooting. Type control-C to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Power-on the Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches are in ROM monitor mode, the prompt changes to see the available ROM monitor...
... ROM monitor mode by pressing Ctrl-C within the first 5 seconds of startup. The system will now begin autobooting. Type control-C to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Power-on the Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches are in ROM monitor mode, the prompt changes to see the available ROM monitor...
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... (me1) The in-band (sc0) management interface is connected to the switching fabric and participates in this chapter, refer to configure the IP address, subnet mask, and default gateway on the Catalyst enterprise LAN switches. CH A P T E R 3 Configuring the Switch IP Address and Default Gateway This chapter describes how to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference.
... (me1) The in-band (sc0) management interface is connected to the switching fabric and participates in this chapter, refer to configure the IP address, subnet mask, and default gateway on the Catalyst enterprise LAN switches. CH A P T E R 3 Configuring the Switch IP Address and Default Gateway This chapter describes how to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference.
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... Guide-Release 8.1 4-1 CH A P T E R 4 Configuring Ethernet and Fast Ethernet Switching This chapter describes how to configure Ethernet and Fast Ethernet switching on installing Catalyst 4500 series Fast Ethernet modules, refer to the Catalyst 4500 Series Installation Guide. Switched connections between Ethernet segments last only for the commands used in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference.
... Guide-Release 8.1 4-1 CH A P T E R 4 Configuring Ethernet and Fast Ethernet Switching This chapter describes how to configure Ethernet and Fast Ethernet switching on installing Catalyst 4500 series Fast Ethernet modules, refer to the Catalyst 4500 Series Installation Guide. Switched connections between Ethernet segments last only for the commands used in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference.
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... to other devices. Table 5-1 identifies the Catalyst Gigabit Ethernet switches, modules, and ports that can transmit pause frames to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Sending and Receiving Pause Frames All Catalyst 4500 series Gigabit Ethernet ports can transmit pause frames to Gigabit Ethernet switching modules, fixed-configuration switches, and uplink ports on the supervisor...
... to other devices. Table 5-1 identifies the Catalyst Gigabit Ethernet switches, modules, and ports that can transmit pause frames to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Sending and Receiving Pause Frames All Catalyst 4500 series Gigabit Ethernet ports can transmit pause frames to Gigabit Ethernet switching modules, fixed-configuration switches, and uplink ports on the supervisor...
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...switch ports on switching modules and fixed-configuration switches, as well as to configure Fast EtherChannel and Gigabit EtherChannel port bundles on installing Catalyst 4500 series Fast Ethernet and Gigabit Ethernet modules, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference..., page 6-2 • Hardware Support for the commands used in this chapter, refer to the Catalyst 4500 Series Installation Guide. Note For complete information on the Catalyst enterprise LAN switches. Note For complete syntax and usage information for EtherChannel...
...switch ports on switching modules and fixed-configuration switches, as well as to configure Fast EtherChannel and Gigabit EtherChannel port bundles on installing Catalyst 4500 series Fast Ethernet and Gigabit Ethernet modules, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference..., page 6-2 • Hardware Support for the commands used in this chapter, refer to the Catalyst 4500 Series Installation Guide. Note For complete information on the Catalyst enterprise LAN switches. Note For complete syntax and usage information for EtherChannel...
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... describes the IEEE 802.1D bridge Spanning Tree Protocol (STP) and how to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-1 Note For information on the Catalyst enterprise LAN switches. This chapter consists of these sections: • Understanding How STPs Work, page 7-2 •...
... describes the IEEE 802.1D bridge Spanning Tree Protocol (STP) and how to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-1 Note For information on the Catalyst enterprise LAN switches. This chapter consists of these sections: • Understanding How STPs Work, page 7-2 •...
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... guard, BPDU filter, UplinkFast, BackboneFast, and loop guard spanning tree enhancements on configuring spanning tree, see Chapter 7, "Configuring Spanning Tree." Note For information on the Catalyst enterprise LAN switches. Note For complete syntax and usage information for the commands used in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference.
... guard, BPDU filter, UplinkFast, BackboneFast, and loop guard spanning tree enhancements on configuring spanning tree, see Chapter 7, "Configuring Spanning Tree." Note For information on the Catalyst enterprise LAN switches. Note For complete syntax and usage information for the commands used in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference.
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... in your network. (VTP version 1 and VTP version 2 do not support VLANs 1025-4094.) With VTP, you can result in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. This chapter consists of problems, such as duplicate VLAN names, incorrect VLAN-type specifications, and security violations. Configuring VTP CH A P T E R 9 This...
... in your network. (VTP version 1 and VTP version 2 do not support VLANs 1025-4094.) With VTP, you can result in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. This chapter consists of problems, such as duplicate VLAN names, incorrect VLAN-type specifications, and security violations. Configuring VTP CH A P T E R 9 This...
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... Understanding How VLANs Work A VLAN is only flooded out other ports belonging to group end stations even if the VLANs are not located physically on a switch to maintain global VLAN configuration information for your network. Configuring VLANs 10 C H A P T E R This chapter describes how to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference.
... Understanding How VLANs Work A VLAN is only flooded out other ports belonging to group end stations even if the VLANs are not located physically on a switch to maintain global VLAN configuration information for your network. Configuring VLANs 10 C H A P T E R This chapter describes how to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference.
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...how to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Note For complete syntax and usage information for the commands used in this chapter, refer to configure Fast Ethernet and Gigabit Ethernet virtual LAN (VLAN) trunks on the Catalyst enterprise LAN switches. Note For... How VLAN Trunks Work The following sections describe how VLAN trunks work on the Catalyst enterprise LAN switches. For more switch ports and another networking device such as a router or a switch. You can configure a trunk on a single Fast or Gigabit Ethernet port or...
...how to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Note For complete syntax and usage information for the commands used in this chapter, refer to configure Fast Ethernet and Gigabit Ethernet virtual LAN (VLAN) trunks on the Catalyst enterprise LAN switches. Note For... How VLAN Trunks Work The following sections describe how VLAN trunks work on the Catalyst enterprise LAN switches. For more switch ports and another networking device such as a router or a switch. You can configure a trunk on a single Fast or Gigabit Ethernet port or...
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... Port Configuration, page 12-3 • Configuration Guidelines for a MAC address-to-VLAN mapping. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 12-1 When the VMPS server receives a valid request from a client, it searches...configure dynamic VLAN membership for ports in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. VMPS remains enabled, regardless whether you reset or power cycle the switch. Note For complete syntax and usage information for that ...
... Port Configuration, page 12-3 • Configuration Guidelines for a MAC address-to-VLAN mapping. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 12-1 When the VMPS server receives a valid request from a client, it searches...configure dynamic VLAN membership for ports in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. VMPS remains enabled, regardless whether you reset or power cycle the switch. Note For complete syntax and usage information for that ...
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This chapter consists of these software and hardware versions: • Supervisor engine software release 5.1 or later releases • IEEE 802.1Q-capable switching modules (refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. GVRP Hardware and Software Requirements GVRP requires these sections: • Understanding How GVRP Works, page 13-1 • GVRP Hardware and Software...
This chapter consists of these software and hardware versions: • Supervisor engine software release 5.1 or later releases • IEEE 802.1Q-capable switching modules (refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. GVRP Hardware and Software Requirements GVRP requires these sections: • Understanding How GVRP Works, page 13-1 • GVRP Hardware and Software...
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... frames at ingress ports. If traffic is native, then the switch can rewrite the CoS tag. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 14-1 QoS selects network traffic, prioritizes it according to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Note For complete syntax and usage information for the...
... frames at ingress ports. If traffic is native, then the switch can rewrite the CoS tag. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 14-1 QoS selects network traffic, prioritizes it according to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Note For complete syntax and usage information for the...
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... 15-17 Understanding How Multicasting Works The following sections describe how multicasting works on the Cisco router and the switch. This chapter consists of IP multicast traffic. GMRP is forwarded only to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. A CGMP/IGMP-capable IP multicast router sees all IGMP packets and can use CGMP...
... 15-17 Understanding How Multicasting Works The following sections describe how multicasting works on the Cisco router and the switch. This chapter consists of IP multicast traffic. GMRP is forwarded only to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. A CGMP/IGMP-capable IP multicast router sees all IGMP packets and can use CGMP...
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...in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Note For complete syntax and usage information for each of the rest of the ports 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release...Security This chapter describes how to the global resource of 1024 plus 1 default MAC address. Allowing Traffic Based on the Catalyst enterprise LAN switches. This chapter consists of these sections: • Understanding How Port Security Works, page 16-1 • Port Security ...
...in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Note For complete syntax and usage information for each of the rest of the ports 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release...Security This chapter describes how to the global resource of 1024 plus 1 default MAC address. Allowing Traffic Based on the Catalyst enterprise LAN switches. This chapter consists of these sections: • Understanding How Port Security Works, page 16-1 • Port Security ...
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This chapter consists of these sections: • Understanding How Unicast Flood Blocking Works, page 17-1 • Configuration Guidelines for the commands used in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. If you do not have a static CAM entry that is connected to the port. You can enable unicast flood blocking...
This chapter consists of these sections: • Understanding How Unicast Flood Blocking Works, page 17-1 • Configuration Guidelines for the commands used in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. If you do not have a static CAM entry that is connected to the port. You can enable unicast flood blocking...
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...Telnet, Trivial File Transfer Protocol (TFTP), and other TCP/IP services (such as described in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. The bits set to one in the permit list. If you enter a host name instead of an IP... the IP address of the SNMP permit list, Telnet permit list, or both the SNMP and Telnet permit lists. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 18-1 18 C H A P T E R Configuring the IP Permit List This chapter describes how...
...Telnet, Trivial File Transfer Protocol (TFTP), and other TCP/IP services (such as described in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. The bits set to one in the permit list. If you enter a host name instead of an IP... the IP address of the SNMP permit list, Telnet permit list, or both the SNMP and Telnet permit lists. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 18-1 18 C H A P T E R Configuring the IP Permit List This chapter describes how...