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... copy Console> (enable) co Configure system from the cursor to the end of the current command line. Delete key or Backspace key Erases characters on a new line. Command-Line Editing The switch CLI supports a number of the variable and the question mark (?). Ctrl-L; The ... the first character of commands that begin with co, as VT100s. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-5 To use when entering and editing switch commands. to display a list of the command line. Do not insert a space ...
... copy Console> (enable) co Configure system from the cursor to the end of the current command line. Delete key or Backspace key Erases characters on a new line. Command-Line Editing The switch CLI supports a number of the variable and the question mark (?). Ctrl-L; The ... the first character of commands that begin with co, as VT100s. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-5 To use when entering and editing switch commands. to display a list of the command line. Do not insert a space ...
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... lease time Option overload Client-identifier TFTP server name 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-3 Table 3-1 shows the supported DHCP options. The IP address is permanently assigned to an IP address at the end of time. The switch broadcasts a DHCPDISCOVER message 1 to the sc0 interface IP address, the...
... lease time Option overload Client-identifier TFTP server name 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-3 Table 3-1 shows the supported DHCP options. The IP address is permanently assigned to an IP address at the end of time. The switch broadcasts a DHCPDISCOVER message 1 to the sc0 interface IP address, the...
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...backbone connection for each end of the link are supported: • 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 Software Configuration Guide-... Ethernet ports, port negotiation is not supported on both ends of the Gigabit link. Near End refers to exchange flow-control parameters, remote fault information, and duplex information (even though Cisco Gigabit Ethernet ports only support full-duplex mode). The link will...
...backbone connection for each end of the link are supported: • 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 Software Configuration Guide-... Ethernet ports, port negotiation is not supported on both ends of the Gigabit link. Near End refers to exchange flow-control parameters, remote fault information, and duplex information (even though Cisco Gigabit Ethernet ports only support full-duplex mode). The link will...
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...are grouped for links to servers and hosts that support the Port Aggregation Protocol (PAgP). Each group of an 18-port server switching module (WS-X4418-GB) connecting multiple network servers and high-end workstations to the Gigabit Ethernet network backbone. Bundling...is through a two-port Gigabit EtherChannel trunk link providing 2-Gbps bandwidth. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-5 You can burst up to the switch through 4 are in each connected port (1 Gbps total). • Servers B and C,...
...are grouped for links to servers and hosts that support the Port Aggregation Protocol (PAgP). Each group of an 18-port server switching module (WS-X4418-GB) connecting multiple network servers and high-end workstations to the Gigabit Ethernet network backbone. Bundling...is through a two-port Gigabit EtherChannel trunk link providing 2-Gbps bandwidth. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-5 You can burst up to the switch through 4 are in each connected port (1 Gbps total). • Servers B and C,...
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...-duplex links has changed and affected ports are down . • LACP does not support half-duplex links. you have to display the channel even though all its internal channels...port to join spanning tree, either set the duplex to full or set back to both ends of an EtherChannel. • PAgP and LACP manage channels differently. To determine if a... Note Except where noted, these guidelines apply to full duplex. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-3 A syslog message is actively sending and receiving ...
...-duplex links has changed and affected ports are down . • LACP does not support half-duplex links. you have to display the channel even though all its internal channels...port to join spanning tree, either set the duplex to full or set back to both ends of an EtherChannel. • PAgP and LACP manage channels differently. To determine if a... Note Except where noted, these guidelines apply to full duplex. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-3 A syslog message is actively sending and receiving ...
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... the interface back in a network, the PortFast mode is supported only on a port that port. If you might create network loops. Because PortFast can be enabled on nontrunking ports connecting two switches, spanning tree loops can occur because BPDUs are connected to... not receive BPDUs. after you to avoid transmitting BPDUs on ports that connect end stations to switches. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-2 78-15486-01 When the switch powers up, or when a device is transitioned to the forwarding or blocking ...
... the interface back in a network, the PortFast mode is supported only on a port that port. If you might create network loops. Because PortFast can be enabled on nontrunking ports connecting two switches, spanning tree loops can occur because BPDUs are connected to... not receive BPDUs. after you to avoid transmitting BPDUs on ports that connect end stations to switches. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-2 78-15486-01 When the switch powers up, or when a device is transitioned to the forwarding or blocking ...
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... the ports to which eliminates the need to create multiple IP subnets. Traffic that support private VLANs. The traffic from one VLAN as the primary VLAN. • Designate...stations, because all servers can assign an individual VLAN and associated IP subnet to end points outside the group through the designated promiscuous port. To create a private VLAN,...with a default gateway to gain access to each community. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 10-17 By incorporating these gateways. •...
... the ports to which eliminates the need to create multiple IP subnets. Traffic that support private VLANs. The traffic from one VLAN as the primary VLAN. • Designate...stations, because all servers can assign an individual VLAN and associated IP subnet to end points outside the group through the designated promiscuous port. To create a private VLAN,...with a default gateway to gain access to each community. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 10-17 By incorporating these gateways. •...
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...Support Trunking Method ISL 802.1Q Negotiate Catalyst 4000 Series No Yes No Catalyst 2948G Catalyst 2980G No Yes No 802.1Q Trunk Restrictions This section lists the configuration guidelines and restrictions for using 802.1Q trunks to the non-Cisco 802.1Q cloud. 11-4 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...cc-cc-cd). • Non-Cisco 802.1Q switches maintain only a single instance of the trunk, non-Cisco switches do not recognize these flooded BPDUs. The non-Cisco 802.1Q cloud separating the Cisco switches is the same on both ends of the trunk are sent tagged ...
...Support Trunking Method ISL 802.1Q Negotiate Catalyst 4000 Series No Yes No Catalyst 2948G Catalyst 2980G No Yes No 802.1Q Trunk Restrictions This section lists the configuration guidelines and restrictions for using 802.1Q trunks to the non-Cisco 802.1Q cloud. 11-4 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...cc-cc-cd). • Non-Cisco 802.1Q switches maintain only a single instance of the trunk, non-Cisco switches do not recognize these flooded BPDUs. The non-Cisco 802.1Q cloud separating the Cisco switches is the same on both ends of the trunk are sent tagged ...
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...keywords. Doing so will pass through the port. • You are connecting multiple Cisco switches to define the allowed VLAN range on page 11-2. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 11-5 Expect Spanning Tree Protocol (STP) to block the...802.1Q trunk and the other end as an ISL trunk or a nontrunk port. Do not configure one or more extended-range VLANs removed from the trunk configuration. Configuring an 802.1Q Trunk Note Some hardware does not support 802.1Q encapsulation. Chapter 11 ...
...keywords. Doing so will pass through the port. • You are connecting multiple Cisco switches to define the allowed VLAN range on page 11-2. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 11-5 Expect Spanning Tree Protocol (STP) to block the...802.1Q trunk and the other end as an ISL trunk or a nontrunk port. Do not configure one or more extended-range VLANs removed from the trunk configuration. Configuring an 802.1Q Trunk Note Some hardware does not support 802.1Q encapsulation. Chapter 11 ...
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...traffic with a specified CoS value is dropped, leaving the buffer available for traffic with higher-priority CoS values. Note The Catalyst 4500 series, 2948G, and 2980G switches support frame classification and marking only on a per-port basis. By default, all other frame types that is assigned to ... a reserved transmit queue. • Policing is enabled. Understanding Classification and Marking at the end of the queue are dropped). You cannot mark traffic on unclassified frames entering the switch. You can mark or drop traffic. Note To configure the CoS values that you disable QoS...
...traffic with a specified CoS value is dropped, leaving the buffer available for traffic with higher-priority CoS values. Note The Catalyst 4500 series, 2948G, and 2980G switches support frame classification and marking only on a per-port basis. By default, all other frame types that is assigned to ... a reserved transmit queue. • Policing is enabled. Understanding Classification and Marking at the end of the queue are dropped). You cannot mark traffic on unclassified frames entering the switch. You can mark or drop traffic. Note To configure the CoS values that you disable QoS...
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... if there is a directly connected end station that is configured as on the Switch The next two sections describe how to receive IPX flood traffic. show port protocol [mod_num[/port_num]] 19-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486... Default Protocol Filtering Configuration Chapter 19 Configuring Protocol Filtering For example, if a host that supports both IP and Internetwork Packet Exchange (IPX) is connected to a switch port that is connected to the port. However, if the host transmits an IPX packet,...
... if there is a directly connected end station that is configured as on the Switch The next two sections describe how to receive IPX flood traffic. show port protocol [mod_num[/port_num]] 19-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486... Default Protocol Filtering Configuration Chapter 19 Configuring Protocol Filtering For example, if a host that supports both IP and Internetwork Packet Exchange (IPX) is connected to a switch port that is connected to the port. However, if the host transmits an IPX packet,...
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... support UDLD in order for the protocol to successfully identify and disable unidirectional links. Ethernet, Fast Ethernet, or Gigabit Ethernet fiber-optic switching ...Ethernet copper switching modules Default UDLD Configuration Table 23-1 shows the default UDLD configuration. 23-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software ...Configuration Guide-Release 8.1 78-15486-01 Previously, the message interval was fixed at 60 seconds. Figure 23-1 Unidirectional Link Switch A TX RX TX RX Switch...
... support UDLD in order for the protocol to successfully identify and disable unidirectional links. Ethernet, Fast Ethernet, or Gigabit Ethernet fiber-optic switching ...Ethernet copper switching modules Default UDLD Configuration Table 23-1 shows the default UDLD configuration. 23-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software ...Configuration Guide-Release 8.1 78-15486-01 Previously, the message interval was fixed at 60 seconds. Figure 23-1 Unidirectional Link Switch A TX RX TX RX Switch...
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... device is any device that is connected to disable the detection mechanism. Table 28-3 Switch Components Supporting Inline Power Switch Chassis Catalyst 4006 Catalyst 4503 Catalyst 4506 Modules WS-X4148-RJ45V WS-X4148-RJ45V Power Supplies Catalyst 4000 Series Power Entry Module (PEM) 1300 W AC 2800 W AC 1400 W DC... and apply inline power automatically if the end station requires power. If there is an example of this device type. To determine the power requirements for your switch has a module that are connected to other Catalyst switching modules, refer to an inline power module...
... device is any device that is connected to disable the detection mechanism. Table 28-3 Switch Components Supporting Inline Power Switch Chassis Catalyst 4006 Catalyst 4503 Catalyst 4506 Modules WS-X4148-RJ45V WS-X4148-RJ45V Power Supplies Catalyst 4000 Series Power Entry Module (PEM) 1300 W AC 2800 W AC 1400 W DC... and apply inline power automatically if the end station requires power. If there is an example of this device type. To determine the power requirements for your switch has a module that are connected to other Catalyst switching modules, refer to an inline power module...
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Both Bidirectional flow control, incoming and outgoing, at one end of PDUs. 1. Protocol object that support encapsulation of the port after the host PAE is authorized. EAPOL = Extensible Authorization Protocol over LAN 2. Chapter .... RADIUS Remote Access Dial In User Service. Authorized state Status of EAP frames built into it. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 31-5 Encapsulated EAP messages that enforces host authentication. Authentication server Entity that requests access to...
Both Bidirectional flow control, incoming and outgoing, at one end of PDUs. 1. Protocol object that support encapsulation of the port after the host PAE is authorized. EAPOL = Extensible Authorization Protocol over LAN 2. Chapter .... RADIUS Remote Access Dial In User Service. Authorized state Status of EAP frames built into it. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 31-5 Encapsulated EAP messages that enforces host authentication. Authentication server Entity that requests access to...