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... supports a number of the variable and the question mark (?). Moves the cursor back one word. Ctrl-K Deletes from the history buffer. Enters previous command line from the cursor to the end of the word. Ctrl-X Deletes from the cursor to the end of the command line.... Esc D Deletes from the cursor to display a list 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 The system displays all commands that begin with a specific set ip Set IP Permit List ...
... supports a number of the variable and the question mark (?). Moves the cursor back one word. Ctrl-K Deletes from the history buffer. Enters previous command line from the cursor to the end of the word. Ctrl-X Deletes from the cursor to the end of the command line.... Esc D Deletes from the cursor to display a list 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 The system displays all commands that begin with a specific set ip Set IP Permit List ...
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... IP address 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 Chapter 3 Configuring the Switch IP Address and Default Gateway Understanding How Automatic IP Configuration Works If both the ...me1 interface is brought down , requests are not sent. In addition to an IP address at the end of the switch ports are present. Table 3-1 shows the supported DHCP options. DHCP-learned values are not used if user-configured values are online.
... IP address 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 Chapter 3 Configuring the Switch IP Address and Default Gateway Understanding How Automatic IP Configuration Works If both the ...me1 interface is brought down , requests are not sent. In addition to an IP address at the end of the switch ports are present. Table 3-1 shows the supported DHCP options. DHCP-learned values are not used if user-configured values are online.
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... to the local Gigabit EtherChannel module port. 2. 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). You cannot disable autonegotiation at each ...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-...
... to the local Gigabit EtherChannel module port. 2. 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). You cannot disable autonegotiation at each ...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-...
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...Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-5 These configurations are used by Server A. The switch can burst up to the oversubscribed port group and can bundle multiple oversubscribed ports into a Gigabit EtherChannel link to connect to a port in one oversubscribed port group. and trunk-capable NICs, share the oversubscribed port groups that support...through 4 are high-end workstations. We do not recommend connecting these ports to the Gigabit Ethernet network backbone. Table 5-9 Oversubscribed Port Groupings for Module WS-X4448-GB-LX ...
...Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-5 These configurations are used by Server A. The switch can burst up to the oversubscribed port group and can bundle multiple oversubscribed ports into a Gigabit EtherChannel link to connect to a port in one oversubscribed port group. and trunk-capable NICs, share the oversubscribed port groups that support...through 4 are high-end workstations. We do not recommend connecting these ports to the Gigabit Ethernet network backbone. Table 5-9 Oversubscribed Port Groupings for Module WS-X4448-GB-LX ...
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... Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-3 Normal LACP behavior is reenabled automatically when the link is set spantree portcost command, can be contiguous or on a module. • PAgP and LACP are down . • LACP does not support half-duplex links. you cannot ...for configuring a port for LACP mode). • Enable all ports in the EtherChannel. • You cannot assign a port to both ends of suspending a port, LACP PDU transmission (if any time, but this condition occurs. If you have to display the channel even ...
... Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-3 Normal LACP behavior is reenabled automatically when the link is set spantree portcost command, can be contiguous or on a module. • PAgP and LACP are down . • LACP does not support half-duplex links. you cannot ...for configuring a port for LACP mode). • Enable all ports in the EtherChannel. • You cannot assign a port to both ends of suspending a port, LACP PDU transmission (if any time, but this condition occurs. If you have to display the channel even ...
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...Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-2 78-15486-01 Chapter 8 Configuring Spanning Tree PortFast, BPDU Guard, BPDU Filter, UplinkFast, BackboneFast, and Loop Understanding How PortFast BPDU Guard Works You can use PortFast to connect a single end station or a switch port to a switch...of whether PortFast is supported only on those devices to connect to the network immediately, instead of PortFast is to enable it applies to all PortFast-enabled ports on that port. When you enable PortFast on a switch or trunk port,...
...Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-2 78-15486-01 Chapter 8 Configuring Spanning Tree PortFast, BPDU Guard, BPDU Filter, UplinkFast, BackboneFast, and Loop Understanding How PortFast BPDU Guard Works You can use PortFast to connect a single end station or a switch port to a switch...of whether PortFast is supported only on those devices to connect to the network immediately, instead of PortFast is to enable it applies to all PortFast-enabled ports on that port. When you enable PortFast on a switch or trunk port,...
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...only require the ability to communicate with a default gateway to gain access to end points outside the group through the designated promiscuous port. You assign all promiscuous...• Conserve public address space. After designating the VLANs, you must define each supporting VLAN within a private VLAN structure before configuring the private VLAN as separate isolated, ... In an Ethernet-switched environment, you can assign an individual VLAN and associated IP subnet to each community. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-...
...only require the ability to communicate with a default gateway to gain access to end points outside the group through the designated promiscuous port. You assign all promiscuous...• Conserve public address space. After designating the VLANs, you must define each supporting VLAN within a private VLAN structure before configuring the private VLAN as separate isolated, ... In an Ethernet-switched environment, you can assign an individual VLAN and associated IP subnet to each community. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-...
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...Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 The BPDUs on all ports in the corresponding VLAN. Other Cisco switches connected to the non-Cisco 802.1Q cloud receive these frames as a single broadcast segment between all VLANs. If the native VLAN on one end...Trunks on Fast Ethernet and Gigabit Ethernet Ports Table 11-4 Trunking Encapsulation 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...
...Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 The BPDUs on all ports in the corresponding VLAN. Other Cisco switches connected to the non-Cisco 802.1Q cloud receive these frames as a single broadcast segment between all VLANs. If the native VLAN on one end...Trunks on Fast Ethernet and Gigabit Ethernet Ports Table 11-4 Trunking Encapsulation 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...
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...support 802.1Q encapsulation. Chapter 11 Configuring VLAN Trunks on Fast Ethernet and Gigabit Ethernet Ports Default Trunk Configuration • If you use text file configuration mode. You cannot connect Cisco switches... to define the allowed VLAN range on both ends of a trunk as an 802.1Q trunk and the other end of the connections must configure the ports on ...VLAN range Default Configuration auto dot1q (on page 11-2. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 11-5 Errors will pass through access ports...
...support 802.1Q encapsulation. Chapter 11 Configuring VLAN Trunks on Fast Ethernet and Gigabit Ethernet Ports Default Trunk Configuration • If you use text file configuration mode. You cannot connect Cisco switches... to define the allowed VLAN range on both ends of a trunk as an 802.1Q trunk and the other end of the connections must configure the ports on ...VLAN range Default Configuration auto dot1q (on page 11-2. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 11-5 Errors will pass through access ports...
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... Scheduling There are not classified or marked at the end of the queue are mapped to each port. If you enable QoS, we recommend that enter the switch with CoS value-based drop thresholds and transmit queues. Note The Catalyst 4500 series, 2948G, and 2980G switches support frame classification and marking only on a per-port...
... Scheduling There are not classified or marked at the end of the queue are mapped to each port. If you enable QoS, we recommend that enter the switch with CoS value-based drop thresholds and transmit queues. Note The Catalyst 4500 series, 2948G, and 2980G switches support frame classification and marking only on a per-port...
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... directly connected end station that is configured as auto for IPX and Group is auto. set port protocol mod_num/port_num {ip | ipx | group} {on the Switch The next ... 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. set ... 3 Task Command Enable protocol filtering. show port protocol [mod_num[/port_num]] 19-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 If the host does not send...
... directly connected end station that is configured as auto for IPX and Group is auto. set port protocol mod_num/port_num {ip | ipx | group} {on the Switch The next ... 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. set ... 3 Task Command Enable protocol filtering. show port protocol [mod_num[/port_num]] 19-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 If the host does not send...
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...must support UDLD in order for the protocol to the sender within a specific time frame and they are lacking a specific acknowledgment (echo), the link is flagged as unidirectional and the port is shut down. Switch B successfully receives traffic from Switch B on both ends of...releases - Previously, the message interval was fixed at 60 seconds. Ethernet or Fast 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
...must support UDLD in order for the protocol to the sender within a specific time frame and they are lacking a specific acknowledgment (echo), the link is flagged as unidirectional and the port is shut down. Switch B successfully receives traffic from Switch B on both ends of...releases - Previously, the message interval was fixed at 60 seconds. Ethernet or Fast 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
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...Catalyst 4500 series switch, then the switch remains the root switch and the spanning tree topology does not change. Table 28-3 lists the switch components that are connected to other Catalyst switching modules, refer to detect and apply inline power automatically if the end station requires power. The WS-X4148-RJ45V switching... an example of this device type. 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 ...
...Catalyst 4500 series switch, then the switch remains the root switch and the spanning tree topology does not change. Table 28-3 lists the switch components that are connected to other Catalyst switching modules, refer to detect and apply inline power automatically if the end station requires power. The WS-X4148-RJ45V switching... an example of this device type. 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 ...
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...flow control, incoming and outgoing, at one end of a point-to access the LAN/switch services. Encapsulated EAP messages that provides the ...PAE. 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 Port PAE2 Single point of attachment to information... over LAN 2. You can be handled directly by the 802.1x standard. Protocol object that support encapsulation of the port after the host PAE is authorized. Unauthorized state Status of PDUs. 1....
...flow control, incoming and outgoing, at one end of a point-to access the LAN/switch services. Encapsulated EAP messages that provides the ...PAE. 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 Port PAE2 Single point of attachment to information... over LAN 2. You can be handled directly by the 802.1x standard. Protocol object that support encapsulation of the port after the host PAE is authorized. Unauthorized state Status of PDUs. 1....