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...and Restrictions 6-3 Guidelines for Configuring a Port 6-3 Guidelines for Configuring VLANs and Trunks 6-4 EtherChannel Interaction with other Features 6-4 Understanding the PAgP 6-5 PAgP Modes 6-5 Understanding Administrative Groups and EtherChannel IDs 6-6 Configuring EtherChannel Using PAgP ...Bundle 6-9 Displaying EtherChannel Configuration Information 6-10 Displaying EtherChannel Traffic Statistics 6-11 Displaying EtherChannel PAgP Statistics 6-12 EtherChannel Configuration Examples 6-12 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 v
...and Restrictions 6-3 Guidelines for Configuring a Port 6-3 Guidelines for Configuring VLANs and Trunks 6-4 EtherChannel Interaction with other Features 6-4 Understanding the PAgP 6-5 PAgP Modes 6-5 Understanding Administrative Groups and EtherChannel IDs 6-6 Configuring EtherChannel Using PAgP ...Bundle 6-9 Displaying EtherChannel Configuration Information 6-10 Displaying EtherChannel Traffic Statistics 6-11 Displaying EtherChannel PAgP Statistics 6-12 EtherChannel Configuration Examples 6-12 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 v
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...-5 Displaying the UDLD Configuration 23-6 Configuring SNMP 24-1 SNMP Terminology 24-1 Understanding How SNMP Works 24-3 Security Models and Levels 24-4 SNMP ifindex Persistence Feature 24-4 Understanding How SNMPv1 and SNMPv2c Work 24-5 SNMPv1 and SNMPv2c Default Configuration 24-6 Configuring SNMPv1 and SNMPv2c from an NMS 24-6 Configuring SNMPv1 and... in Software Release 7.5(1) 24-8 Understanding SNMPv3 24-11 Benefits of SNMPv3 24-11 SNMP Entity 24-11 Configuring SNMPv3 from an NMS 24-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xv
...-5 Displaying the UDLD Configuration 23-6 Configuring SNMP 24-1 SNMP Terminology 24-1 Understanding How SNMP Works 24-3 Security Models and Levels 24-4 SNMP ifindex Persistence Feature 24-4 Understanding How SNMPv1 and SNMPv2c Work 24-5 SNMPv1 and SNMPv2c Default Configuration 24-6 Configuring SNMPv1 and SNMPv2c from an NMS 24-6 Configuring SNMPv1 and... in Software Release 7.5(1) 24-8 Understanding SNMPv3 24-11 Benefits of SNMPv3 24-11 SNMP Entity 24-11 Configuring SNMPv3 from an NMS 24-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xv
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... the spanning tree PortFast, BPDU Guard, BPDU PortFast, UplinkFast, and BackboneFast features. Configuring Ethernet and Fast Ethernet Switching Describes how to configure Ethernet and Fast Ethernet switching on the switch. Filter, UplinkFast, BackboneFast, and Loop Guard 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xxiii Configuring Spanning Tree Describes how to configure...
... the spanning tree PortFast, BPDU Guard, BPDU PortFast, UplinkFast, and BackboneFast features. Configuring Ethernet and Fast Ethernet Switching Describes how to configure Ethernet and Fast Ethernet switching on the switch. Filter, UplinkFast, BackboneFast, and Loop Guard 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xxiii Configuring Spanning Tree Describes how to configure...
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... module and the switch acceleration feature. Related Documentation The following publications are available for 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 •...
... module and the switch acceleration feature. Related Documentation The following publications are available for 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 •...
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...comments electronically on the Cisco TAC website, including TAC tools and utilities. On the Cisco Documentation home page, click Feedback at this URL: http://tools.cisco.com/RPF/register/register.do xxviii Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release...can self-register on Cisco.com at the top of features and services to the technical support resources on Cisco.com. Cisco.com provides a broad range of the page. Obtaining Technical Assistance Cisco provides Cisco.com, which includes the Cisco Technical Assistance Center (...
...comments electronically on the Cisco TAC website, including TAC tools and utilities. On the Cisco Documentation home page, click Feedback at this URL: http://tools.cisco.com/RPF/register/register.do xxviii Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release...can self-register on Cisco.com at the top of features and services to the technical support resources on Cisco.com. Cisco.com provides a broad range of the page. Obtaining Technical Assistance Cisco provides Cisco.com, which includes the Cisco Technical Assistance Center (...
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...switch and ROM monitor commands, refer 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. However, switch... commands used to configure the Route Switch Module (RSM) and Route Switch Feature Card (RSFC), refer to be distinguished from any other currently available commands or parameters. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-1 ...
...switch and ROM monitor commands, refer 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. However, switch... commands used to configure the Route Switch Module (RSM) and Route Switch Feature Card (RSFC), refer to be distinguished from any other currently available commands or parameters. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-1 ...
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...string to the end of a previous command and repeat it is used on the terminal screen, including show command to sh. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-6 78-15486-01 Repeats the most recent command. !-nn Repeats the nnth most recent command....allows you to use the following tasks. a ---More--- To view the next line or screen, use the command-completion feature. Scrolling Through Command Output When the output of characters that uniquely define the command. History Substitution Chapter 2 Using the Command...
...string to the end of a previous command and repeat it is used on the terminal screen, including show command to sh. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-6 78-15486-01 Repeats the most recent command. !-nn Repeats the nnth most recent command....allows you to use the following tasks. a ---More--- To view the next line or screen, use the command-completion feature. Scrolling Through Command Output When the output of characters that uniquely define the command. History Substitution Chapter 2 Using the Command...
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... must assign an IP address to which the IP address belongs). Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-5 show interface This example shows how to the in -band (sc0) ... for the in -band (sc0) interface. If necessary, bring the interface up Verify the interface configuration. Table 3-2 Switch IP Address and Default Gateway Default Configuration Feature In-band (sc0) interface Management Ethernet (me1) interface Default gateway address SLIP (sl0) interface Default Value • ...
... must assign an IP address to which the IP address belongs). Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-5 show interface This example shows how to the in -band (sc0) ... for the in -band (sc0) interface. If necessary, bring the interface up Verify the interface configuration. Table 3-2 Switch IP Address and Default Gateway Default Configuration Feature In-band (sc0) interface Management Ethernet (me1) interface Default gateway address SLIP (sl0) interface Default Value • ...
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..., Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-3 Verify that the port name is configured. To assign a name to a port, perform this task in privileged mode: Step 1 Step 2 Task Assign a name to a port. Chapter 4 Configuring Ethernet and Fast Ethernet Switching Configuring Ethernet and Fast Ethernet Ports Table 4-1 Ethernet and Fast Ethernet Default Configurations Feature Port...
..., Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-3 Verify that the port name is configured. To assign a name to a port, perform this task in privileged mode: Step 1 Step 2 Task Assign a name to a port. Chapter 4 Configuring Ethernet and Fast Ethernet Switching Configuring Ethernet and Fast Ethernet Ports Table 4-1 Ethernet and Fast Ethernet Default Configurations Feature Port...
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... a reason of all, all ports that is specified in the set ("enabled") are in errdisable state. Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 Currently, if a port goes into errdisable state: Console> (enable) set port errdisable-timeout 3/3 disable...enabled for errdisable timeout. If you can do this with the set port errdisable-timeout mod/port disable command. This feature is disabled by setting the errdisable timeout for that have not disabled the port), the port status is shown as ...
... a reason of all, all ports that is specified in the set ("enabled") are in errdisable state. Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 Currently, if a port goes into errdisable state: Console> (enable) set port errdisable-timeout 3/3 disable...enabled for errdisable timeout. If you can do this with the set port errdisable-timeout mod/port disable command. This feature is disabled by setting the errdisable timeout for that have not disabled the port), the port status is shown as ...
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... a period of incoming packets. This special packet is a feature that Gigabit Ethernet ports use to other devices. This chapter consists of space, the port transmits a special packet that can receive and process pause frames from other devices. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-1 Sending and Receiving Pause...
... a period of incoming packets. This special packet is a feature that Gigabit Ethernet ports use to other devices. This chapter consists of space, the port transmits a special packet that can receive and process pause frames from other devices. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-1 Sending and Receiving Pause...
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...WS-X4412-2GB-T This 1000BASE-T 14-port module provides 2 dedicated uplink module ports (GBIC) and 12 oversubscribed ports (possible blocking). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...Switching Understanding How Gigabit Ethernet Works Understanding How Port Negotiation Works Caution Unlike autonegotiation with 10/100 Fast Ethernet, Gigabit Ethernet port negotiation does not involve negotiating port speed. Gigabit Ethernet port negotiation is full. You cannot disable autonegotiation at each configuration. To determine which features... though Cisco Gigabit ...
...WS-X4412-2GB-T This 1000BASE-T 14-port module provides 2 dedicated uplink module ports (GBIC) and 12 oversubscribed ports (possible blocking). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...Switching Understanding How Gigabit Ethernet Works Understanding How Port Negotiation Works Caution Unlike autonegotiation with 10/100 Fast Ethernet, Gigabit Ethernet port negotiation does not involve negotiating port speed. Gigabit Ethernet port negotiation is full. You cannot disable autonegotiation at each configuration. To determine which features... though Cisco Gigabit ...
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...Switching Figure 5-1 Example of a Server Switching Network Topology Network backbone Backbone switch CAUTION THIS ASSEMBLY CONTAINS ELECTROSTATICSENSITIVE DEVICES 0% 100% 18069 Gigabit EtherChannel bundles Server A Server B Workstation 1 Workstation 3 Server D Workstation 4 Server C Workstation 2 Default Gigabit Ethernet Configuration Table 5-10 shows the Gigabit Ethernet default configuration. Table 5-10 Gigabit Ethernet Default Configuration Feature...) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-6 78-15486-01
...Switching Figure 5-1 Example of a Server Switching Network Topology Network backbone Backbone switch CAUTION THIS ASSEMBLY CONTAINS ELECTROSTATICSENSITIVE DEVICES 0% 100% 18069 Gigabit EtherChannel bundles Server A Server B Workstation 1 Workstation 3 Server D Workstation 4 Server C Workstation 2 Default Gigabit Ethernet Configuration Table 5-10 shows the Gigabit Ethernet default configuration. Table 5-10 Gigabit Ethernet Default Configuration Feature...) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-6 78-15486-01
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... a channel based on Cisco switches and those switches released by the spanning tree feature, the maximum supported number of channels is 126 for EtherChannel EtherChannel support is defined in the channel. Hardware Support for a 6-slot chassis. You can configure any two to the remaining ports within the EtherChannel. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
... a channel based on Cisco switches and those switches released by the spanning tree feature, the maximum supported number of channels is 126 for EtherChannel EtherChannel support is defined in the channel. Hardware Support for a 6-slot chassis. You can configure any two to the remaining ports within the EtherChannel. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
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...VLAN configurations cannot form a channel. If the allowed range of VLANs on all the ports in a trunking EtherChannel. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-4 78-15486-01 EtherChannel Configuration Guidelines and Restrictions Chapter 6 Configuring Fast EtherChannel and ... port in the EtherChannel. Do not enable the port security feature for a port list, the ports do not form an EtherChannel even when set differently on the ports. • Cisco Discovery Protocol (CDP) runs on its channeling configuration and state...
...VLAN configurations cannot form a channel. If the allowed range of VLANs on all the ports in a trunking EtherChannel. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-4 78-15486-01 EtherChannel Configuration Guidelines and Restrictions Chapter 6 Configuring Fast EtherChannel and ... port in the EtherChannel. Do not enable the port security feature for a port list, the ports do not form an EtherChannel even when set differently on the ports. • Cisco Discovery Protocol (CDP) runs on its channeling configuration and state...
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...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. ...7-22 • Using MISTP-PVST+ or MISTP, page 7-30 • Configuring a Root Switch, page 7-39 • Configuring Spanning Tree Timers, page 7-44 • Understanding How BPDU...the commands used in this chapter, refer to use and configure Cisco's proprietary STPs, Per VLAN Spanning Tree + (PVST+), and Multi-Instance Spanning...
...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. ...7-22 • Using MISTP-PVST+ or MISTP, page 7-30 • Configuring a Root Switch, page 7-39 • Configuring Spanning Tree Timers, page 7-44 • Understanding How BPDU...the commands used in this chapter, refer to use and configure Cisco's proprietary STPs, Per VLAN Spanning Tree + (PVST+), and Multi-Instance Spanning...
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... in order to avoid problems. MISTP-PVST+ conforms to the Catalyst 6500 Series Software Configuration Guide. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-13 MAC Address Allocation Catalyst 4000 series switches have a pool of MAC addresses used as unique bridge identifiers....MAC address that use PVST+. MAC Address Reduction The MAC address reduction feature is used in the range is 00-e0-1e-9b-2e-02, and so forth. If you have a Catalyst 6500 series -switch in your network to MISTP, you can be used for MISTP ...
... in order to avoid problems. MISTP-PVST+ conforms to the Catalyst 6500 Series Software Configuration Guide. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-13 MAC Address Allocation Catalyst 4000 series switches have a pool of MAC addresses used as unique bridge identifiers....MAC address that use PVST+. MAC Address Reduction The MAC address reduction feature is used in the range is 00-e0-1e-9b-2e-02, and so forth. If you have a Catalyst 6500 series -switch in your network to MISTP, you can be used for MISTP ...
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...feature for MST is based on a draft version of the Catalyst ...Cisco PVST+ architecture. If the switch is in different parts of spanning tree instances. For more information on migrating your supervisor engine. MST extends the 802.1w Rapid Spanning Tree (RST) algorithm to reflect the new root switch. The protocol as an MST region. 7-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...VLANs to consider: • The Catalyst 4006 switch is greater than 32,768, ... your supervisor engine from a Catalyst 4006 switch to a Catalyst 4500 series switch, see the "Migrating a ...
...feature for MST is based on a draft version of the Catalyst ...Cisco PVST+ architecture. If the switch is in different parts of spanning tree instances. For more information on migrating your supervisor engine. MST extends the 802.1w Rapid Spanning Tree (RST) algorithm to reflect the new root switch. The protocol as an MST region. 7-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...VLANs to consider: • The Catalyst 4006 switch is greater than 32,768, ... your supervisor engine from a Catalyst 4006 switch to a Catalyst 4500 series switch, see the "Migrating a ...
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...still transmitted in MST mode. - and so on any of the PVST bridges. • Ensure that is enabled. - The MST feature has these characteristics: • MST runs a variant of CST. • Ensure that BPDUs are supported in VLAN 1. - IST augments...not disable spanning tree on . MST preserves the VLAN 1 disabled functionality except that trunks carry all . 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-15 M-trees are called Internal Spanning Tree (IST). MST instances combine with PVST+ by...
...still transmitted in MST mode. - and so on any of the PVST bridges. • Ensure that is enabled. - The MST feature has these characteristics: • MST runs a variant of CST. • Ensure that BPDUs are supported in VLAN 1. - IST augments...not disable spanning tree on . MST preserves the VLAN 1 disabled functionality except that trunks carry all . 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-15 M-trees are called Internal Spanning Tree (IST). MST instances combine with PVST+ by...
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...feature. RSTP provides backward compatibility with 802.1D bridges, as follows: • A root port or designated port role includes the port in the active topology. • An alternate port or backup port role excludes the port from the active topology. 7-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches... Software Configuration Guide-Release 8.1 78-15486-01 RSTP Port Roles RSTP uses the following the failure of a switch, switch port, or a LAN. You configure RSTP...
...feature. RSTP provides backward compatibility with 802.1D bridges, as follows: • A root port or designated port role includes the port in the active topology. • An alternate port or backup port role excludes the port from the active topology. 7-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches... Software Configuration Guide-Release 8.1 78-15486-01 RSTP Port Roles RSTP uses the following the failure of a switch, switch port, or a LAN. You configure RSTP...