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... Support for EtherChannel 6-2 PAgP and LACP 6-2 EtherChannel Configuration Guidelines 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 6-6 Creating an EtherChannel 6-7 Defining an EtherChannel Administrative Group 6-7 Setting the...
... Support for EtherChannel 6-2 PAgP and LACP 6-2 EtherChannel Configuration Guidelines 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 6-6 Creating an EtherChannel 6-7 Defining an EtherChannel Administrative Group 6-7 Setting the...
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... 23-5 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...
... 23-5 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...
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... configuring and maintaining Catalyst enterprise LAN switches. Configuring Fast EtherChannel Describes how to configure the spanning tree PortFast, BPDU Guard, BPDU PortFast, UplinkFast, and BackboneFast features. Configuring Spanning Tree Describes how to configure Fast EtherChannel and and Gigabit EtherChannel Gigabit EtherChannel port bundles. Audience This publication is organized, and its document...
... configuring and maintaining Catalyst enterprise LAN switches. Configuring Fast EtherChannel Describes how to configure the spanning tree PortFast, BPDU Guard, BPDU PortFast, UplinkFast, and BackboneFast features. Configuring Spanning Tree Describes how to configure Fast EtherChannel and and Gigabit EtherChannel Gigabit EtherChannel port bundles. Audience This publication is organized, and its document...
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Configuring Switch Acceleration Describes the Backplane Channel module and the switch acceleration feature. Configuring DNS Describes how to configure Domain Name System (DNS) on the switch. Configuring System Message Logging Describes how to configure system message logging (syslog) ...
Configuring Switch Acceleration Describes the Backplane Channel module and the switch acceleration feature. Configuring DNS Describes how to configure Domain Name System (DNS) on the switch. Configuring System Message Logging Describes how to configure system message logging (syslog) ...
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... certification programs To obtain customized information and service, you access Cisco information, networking solutions, services, programs, and resources at the top of features and services to the technical support resources on Cisco.com at 408 526-7208 or, elsewhere in the world. Cisco.com Cisco.com offers a suite of interactive, networked services that let you...
... certification programs To obtain customized information and service, you access Cisco information, networking solutions, services, programs, and resources at the top of features and services to the technical support resources on Cisco.com at 408 526-7208 or, elsewhere in the world. Cisco.com Cisco.com offers a suite of interactive, networked services that let you...
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..., and IP Aliases, page 2-8 • ROM Monitor CLI, page 2-9 • Example of the commands used to configure the Route Switch Module (RSM) and Route Switch Feature Card (RSFC), refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. CH A P T E R 2 Using the Command-Line Interface This chapter describes... Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-1 Note For descriptions of all switch and ROM monitor commands, refer to the Cisco IOS software command reference publications.
..., and IP Aliases, page 2-8 • ROM Monitor CLI, page 2-9 • Example of the commands used to configure the Route Switch Module (RSM) and Route Switch Feature Card (RSFC), refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. CH A P T E R 2 Using the Command-Line Interface This chapter describes... Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-1 Note For descriptions of all switch and ROM monitor commands, refer to the Cisco IOS software command reference publications.
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... Switches Software Configuration Guide-Release 8.1 2-6 78-15486-01 When you entered during a terminal session. To view the next line or screen, use the command-completion feature. prompt is displayed through the More program; For example, if you to repeat these commands using special abbreviated commands, that uniquely define the command. Scrolling...
... Switches Software Configuration Guide-Release 8.1 2-6 78-15486-01 When you entered during a terminal session. To view the next line or screen, use the command-completion feature. prompt is displayed through the More program; For example, if you to repeat these commands using special abbreviated commands, that uniquely define the command. Scrolling...
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... IP Address and Default Gateway Configuration Table 3-2 shows the default IP address and default gateway 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 • IP address, subnet mask, and broadcast address set...
... IP Address and Default Gateway Configuration Table 3-2 shows the default IP address and default gateway 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 • IP address, subnet mask, and broadcast address set...
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... the port name is configured. 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 enable state Port name Port priority Duplex mode Native VLAN Spanning tree port cost Fast EtherChannel Default Value All ports are enabled None Normal...
... the port name is configured. 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 enable state Port name Port priority Duplex mode Native VLAN Spanning tree port cost Fast EtherChannel Default Value All ports are enabled None Normal...
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... ports that are errdisabled for any process. By default, all ports that have an effect on the reason value that particular port to disable; This feature is specified in errdisable state. The default interval for that is disabled by any reason are reenabled when the global timer times out. The allowable...
... ports that are errdisabled for any process. By default, all ports that have an effect on the reason value that particular port to disable; This feature is specified in errdisable state. The default interval for that is disabled by any reason are reenabled when the global timer times out. The allowable...
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... syntax and usage information for a period of time. Understanding How Gigabit Ethernet Flow Control Works Flow control is called a pause frame. This special packet is a feature that Gigabit Ethernet ports use to inhibit the transmission of these sections: • Understanding How Gigabit Ethernet Works, page 5-1 • Default Gigabit Ethernet Configuration, page...
... syntax and usage information for a period of time. Understanding How Gigabit Ethernet Flow Control Works Flow control is called a pause frame. This special packet is a feature that Gigabit Ethernet ports use to inhibit the transmission of these sections: • Understanding How Gigabit Ethernet Works, page 5-1 • Default Gigabit Ethernet Configuration, page...
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... Up On Off Down 1. You cannot disable autonegotiation at the other ). To determine which features a 1000BASE-T Gigabit Ethernet port supports, enter the show port capabilities command. The following modules... have the same setting. The ports on both ends of the link are supported: • WS-X4412-2GB-T This 1000BASE-T 14-port module provides 2 dedicated uplink module ports (GBIC) and...is used to exchange flow-control parameters, remote fault information, and duplex information (even though Cisco Gigabit Ethernet ports only support full-duplex mode). On a 1000BASE-T port, you cannot ...
... Up On Off Down 1. You cannot disable autonegotiation at the other ). To determine which features a 1000BASE-T Gigabit Ethernet port supports, enter the show port capabilities command. The following modules... have the same setting. The ports on both ends of the link are supported: • WS-X4412-2GB-T This 1000BASE-T 14-port module provides 2 dedicated uplink module ports (GBIC) and...is used to exchange flow-control parameters, remote fault information, and duplex information (even though Cisco Gigabit Ethernet ports only support full-duplex mode). On a 1000BASE-T port, you cannot ...
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...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 Default Value Port enable state All ports are enabled Port name None Port priority Normal Duplex mode Full duplex Flow control • Oversubscribed ...Gigabit Ethernet ports (ports 3-18 on WS-X4418-GB): Flow control set to desired for receive (Rx) and on for transmit (Tx) • All others:...
...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 Default Value Port enable state All ports are enabled Port name None Port priority Normal Duplex mode Full duplex Flow control • Oversubscribed ...Gigabit Ethernet ports (ports 3-18 on WS-X4418-GB): Flow control set to desired for receive (Rx) and on for transmit (Tx) • All others:...
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...eight compatibly configured Fast or Gigabit Ethernet ports on your hardware supports EtherChannel, and to all ports in IEEE 802.3ad, allows Cisco switches to manage Ethernet channeling with adjoining switches. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 ... MAC address notification settings are ignored on page 6-5. All ports in an EtherChannel must be on Cisco switches and those switches released by the spanning tree feature, the maximum supported number of any port in an EtherChannel according to the port ID handling by...
...eight compatibly configured Fast or Gigabit Ethernet ports on your hardware supports EtherChannel, and to all ports in IEEE 802.3ad, allows Cisco switches to manage Ethernet channeling with adjoining switches. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 ... MAC address notification settings are ignored on page 6-5. All ports in an EtherChannel must be on Cisco switches and those switches released by the spanning tree feature, the maximum supported number of any port in an EtherChannel according to the port ID handling by...
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...range of service (QoS) configurations. • An EtherChannel will not form if protocol filtering is set differently on the ports. • Cisco Discovery Protocol (CDP) runs on the physical port even after the port is added to a channel. • VLAN Trunking Protocol (VTP)... channel. • During fast switchover to the standby supervisor engine, all the ports in a trunking EtherChannel. EtherChannel Interaction with other Features This section lists the guidelines and restrictions for EtherChannel's interaction with other mode may be used by IGMP multicast filtering, you configure the...
...range of service (QoS) configurations. • An EtherChannel will not form if protocol filtering is set differently on the ports. • Cisco Discovery Protocol (CDP) runs on the physical port even after the port is added to a channel. • VLAN Trunking Protocol (VTP)... channel. • During fast switchover to the standby supervisor engine, all the ports in a trunking EtherChannel. EtherChannel Interaction with other Features This section lists the guidelines and restrictions for EtherChannel's interaction with other mode may be used by IGMP multicast filtering, you configure the...
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... 7-57 • Configuring MST, page 7-46 Note For complete syntax and usage information for the commands used in this chapter, refer to use and configure Cisco's proprietary STPs, Per VLAN Spanning Tree + (PVST+), and Multi-Instance Spanning Tree Protocol (MISTP) on configuring the spanning tree PortFast, UplinkFast, and BackboneFast...
... 7-57 • Configuring MST, page 7-46 Note For complete syntax and usage information for the commands used in this chapter, refer to use and configure Cisco's proprietary STPs, Per VLAN Spanning Tree + (PVST+), and Multi-Instance Spanning Tree Protocol (MISTP) on configuring the spanning tree PortFast, UplinkFast, and BackboneFast...
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...on it, you should also enable MAC address reduction on all your network that use PVST+. MAC Address Reduction The MAC address reduction feature is used for example, you can be used in the network. The in your Catalyst 4500 series switches to 00-e0-1e-9b...can use MISTP-PVST+ to transition the network from PVST+ to MISTP in your PVST+ switches. For detailed information on the MAC address reduction feature, refer to the Catalyst 6500 Series Software Configuration Guide. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release...
...on it, you should also enable MAC address reduction on all your network that use PVST+. MAC Address Reduction The MAC address reduction feature is used for example, you can be used in the network. The in your Catalyst 4500 series switches to 00-e0-1e-9b...can use MISTP-PVST+ to transition the network from PVST+ to MISTP in your PVST+ switches. For detailed information on the MAC address reduction feature, refer to the Catalyst 6500 Series Software Configuration Guide. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release...
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...bridges that have a topology independent of bridges with 802.1D STP, 802.1w, the Rapid Spanning Tree Protocol (RSTP), and the Cisco PVST+ architecture. The bridge ID priority of spanning tree instances. the spanning tree topology also changes to multiple spanning trees. Each instance ... ID extension is a root switch In this can have compatible VLAN-instance assignments. Understanding How MST Works The Multiple Spanning Tree (MST) feature is added to 802.1Q. The network designates a new root switch; this case, the spanning tree topology might change . If the ...
...bridges that have a topology independent of bridges with 802.1D STP, 802.1w, the Rapid Spanning Tree Protocol (RSTP), and the Cisco PVST+ architecture. The bridge ID priority of spanning tree instances. the spanning tree topology also changes to multiple spanning trees. Each instance ... ID extension is a root switch In this can have compatible VLAN-instance assignments. Understanding How MST Works The Multiple Spanning Tree (MST) feature is added to 802.1Q. The network designates a new root switch; this case, the spanning tree topology might change . If the ...
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Chapter 7 Configuring Spanning Tree Understanding How MST Works MST uses the modified RSTP version called M-trees. The MST feature has these characteristics: • MST runs a variant of STP (IST) that augments the Common Spanning Tree (CST) information with internal information about the MST region. ...
Chapter 7 Configuring Spanning Tree Understanding How MST Works MST uses the modified RSTP version called M-trees. The MST feature has these characteristics: • MST runs a variant of STP (IST) that augments the Common Spanning Tree (CST) information with internal information about the MST region. ...
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... port. • If the bridge receives an 802.1D BPDU after a port's Migration Delay timer expires, the bridge assumes it takes you configure the MST feature. This action should be taken because the complete MST database gets re-initialized for the path that are assigned as follows: • RSTP selectively sends...
... port. • If the bridge receives an 802.1D BPDU after a port's Migration Delay timer expires, the bridge assumes it takes you configure the MST feature. This action should be taken because the complete MST database gets re-initialized for the path that are assigned as follows: • RSTP selectively sends...