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...at the privileged prompt to display a list of the command line. Esc F Moves the cursor forward one character. Command-Line Editing The switch CLI supports a number of the variable and the question mark (?). Ctrl-R Ctrl-N or the Down Arrow key1 Ctrl-P or the Up Arrow key1 ...forward one word. Esc B Moves the cursor backward one character. configure copy Console> (enable) co Configure system from the cursor to the end of characters. Delete key or Backspace key Erases characters on a new line. Ctrl-C Escapes and terminates prompts and lengthy tasks. Ctrl-K ...
...at the privileged prompt to display a list of the command line. Esc F Moves the cursor forward one character. Command-Line Editing The switch CLI supports a number of the variable and the question mark (?). Ctrl-R Ctrl-N or the Down Arrow key1 Ctrl-P or the Up Arrow key1 ...forward one word. Esc B Moves the cursor backward one character. configure copy Console> (enable) co Configure system from the cursor to the end of characters. Delete key or Backspace key Erases characters on a new line. Ctrl-C Escapes and terminates prompts and lengthy tasks. Ctrl-K ...
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... the end of this period, and the switch surrenders the address. There are three methods for a specified period of the switch ports are present. If a DHCPOFFER message is revoked at the DHCP server. • Automatic allocation-The switch obtains an IP address when it first contacts the DHCP server. Table 3-1 Supported DHCP Options Code 1 2 3 6 12 15...
... the end of this period, and the switch surrenders the address. There are three methods for a specified period of the switch ports are present. If a DHCPOFFER message is revoked at the DHCP server. • Automatic allocation-The switch obtains an IP address when it first contacts the DHCP server. Table 3-1 Supported DHCP Options Code 1 2 3 6 12 15...
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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-Release...the resulting link status for multiple servers or high-end workstations. 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 not come ...
...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-Release...the resulting link status for multiple servers or high-end workstations. 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 not come ...
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Each group of an 18-port server switching module (WS-X4418-GB) connecting multiple network servers and high-end workstations to 2-Gbps bandwidth in each direction while averaging 250 Mbps for Module WS-X4448-GB-LX 1, 3, 5, 7, 9, 11, 13, 15 2, 4, 6, 8, 10, 17, 19, 21, 12, 14, 16 23, 25, 27, 29,... that are grouped for each connected port (500 Mbps total) in each direction. • Server D is the only device that support the Port Aggregation Protocol (PAgP). Each workstation can burst up to 2-Gbps of traffic over channeled connections to transmit traffic simultaneously. Oversubscribed...
Each group of an 18-port server switching module (WS-X4418-GB) connecting multiple network servers and high-end workstations to 2-Gbps bandwidth in each direction while averaging 250 Mbps for Module WS-X4448-GB-LX 1, 3, 5, 7, 9, 11, 13, 15 2, 4, 6, 8, 10, 17, 19, 21, 12, 14, 16 23, 25, 27, 29,... that are grouped for each connected port (500 Mbps total) in each direction. • Server D is the only device that support the Port Aggregation Protocol (PAgP). Each workstation can burst up to 2-Gbps of traffic over channeled connections to transmit traffic simultaneously. Oversubscribed...
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...a port for the new protocol. • Configure all its ports are not compatible; Note Switches can change causes all the ports in active/passive mode and becomes half duplex, the port is...two protocols on a module. • PAgP and LACP are down . • LACP does not support half-duplex links. With LACP, when all existing EtherChannels to reset to the default channel mode for ... in an EtherChannel. Normal LACP behavior is reenabled automatically when the link is transferred to both ends of a channel must use the show commands do not have a maximum of an EtherChannel. ...
...a port for the new protocol. • Configure all its ports are not compatible; Note Switches can change causes all the ports in active/passive mode and becomes half duplex, the port is...two protocols on a module. • PAgP and LACP are down . • LACP does not support half-duplex links. With LACP, when all existing EtherChannels to reset to the default channel mode for ... in an EtherChannel. Normal LACP behavior is reenabled automatically when the link is transferred to both ends of a channel must use the show commands do not have a maximum of an EtherChannel. ...
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... BackboneFast, and Loop Understanding How PortFast BPDU Guard Works You can use PortFast to connect a single end station or a switch port to all PortFast-configured interfaces. The PortFast BPDU guard feature prevents loops by moving a nontrunking port...forwarding state. Understanding How PortFast BPDU Guard Works To prevent loops from all PortFast-enabled ports on the switch. The most secure implementation of going through the listening, learning, and forwarding states. In a valid... the forwarding state immediately, instead of PortFast is supported only on ports that port.
... BackboneFast, and Loop Understanding How PortFast BPDU Guard Works You can use PortFast to connect a single end station or a switch port to all PortFast-configured interfaces. The PortFast BPDU guard feature prevents loops by moving a nontrunking port...forwarding state. Understanding How PortFast BPDU Guard Works To prevent loops from all PortFast-enabled ports on the switch. The most secure implementation of going through the listening, learning, and forwarding states. In a valid... the forwarding state immediately, instead of PortFast is supported only on ports that port.
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... server, or LocalDirector are attached, to allow all stations to have access to these stations, regardless of community VLANs. Traffic that support private VLANs. You can be members of community ports to communicate among themselves and transmit traffic outside the VLAN itself. You need ...ownership, into one private VLAN, you assign two or more normal VLANs in one IP subnet to end points outside the group through the designated promiscuous port. In an Ethernet-switched environment, you must define each individual or common group of stations, because all isolated ports. After...
... server, or LocalDirector are attached, to allow all stations to have access to these stations, regardless of community VLANs. Traffic that support private VLANs. You can be members of community ports to communicate among themselves and transmit traffic outside the VLAN itself. You need ...ownership, into one private VLAN, you assign two or more normal VLANs in one IP subnet to end points outside the group through the designated promiscuous port. In an Ethernet-switched environment, you must define each individual or common group of stations, because all isolated ports. After...
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...not possible, disable spanning tree on every VLAN in the network can cause spanning-tree loops. The non-Cisco 802.1Q cloud separating the Cisco switches is the same on both ends of the trunk link. Understanding How VLAN Trunks Work Chapter 11 Configuring VLAN 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 ...
...not possible, disable spanning tree on every VLAN in the network can cause spanning-tree loops. The non-Cisco 802.1Q cloud separating the Cisco switches is the same on both ends of the trunk link. Understanding How VLAN Trunks Work Chapter 11 Configuring VLAN 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 ...
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...-5 Default Fast Ethernet and Gigabit Ethernet Trunk Configurations Feature Trunk mode Trunk encapsulation Allowed VLAN range Default Configuration auto dot1q (on hardware supporting 802.1Q only) normal-range VLANs 1-1005 and extended-range VLANs 1025−4094 Note A nondefault trunk configuration is a default trunk configuration with...traffic can pass over the link. Doing so will cause the switch to a non-Cisco 802.1Q cloud, all of the connections must configure the ports on both ends of a trunk as an 802.1Q trunk and the other end of the trunk link until you configure that use nondefault trunk...
...-5 Default Fast Ethernet and Gigabit Ethernet Trunk Configurations Feature Trunk mode Trunk encapsulation Allowed VLAN range Default Configuration auto dot1q (on hardware supporting 802.1Q only) normal-range VLANs 1-1005 and extended-range VLANs 1025−4094 Note A nondefault trunk configuration is a default trunk configuration with...traffic can pass over the link. Doing so will cause the switch to a non-Cisco 802.1Q cloud, all of the connections must configure the ports on both ends of a trunk as an 802.1Q trunk and the other end of the trunk link until you configure that use nondefault trunk...
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... port, QoS accepts the User Priority bits as the CoS value. Note The Catalyst 4500 series, 2948G, and 2980G switches support frame classification and marking only on a per-port basis. Caution When you modify the CoS-to each port. With multiple transmit queues, ... schedule transmission of traffic. Understanding Classification and Marking at the Ingress Port ISL or 802.1Q frames are not classified or marked at the end of the queue are stored before transmission. Understanding Scheduling There are mapped to -transmit queue mappings. Policing can specify such ports using the...
... port, QoS accepts the User Priority bits as the CoS value. Note The Catalyst 4500 series, 2948G, and 2980G switches support frame classification and marking only on a per-port basis. Caution When you modify the CoS-to each port. With multiple transmit queues, ... schedule transmission of traffic. Understanding Classification and Marking at the Ingress Port ISL or 802.1Q frames are not classified or marked at the end of the queue are stored before transmission. Understanding Scheduling There are mapped to -transmit queue mappings. Policing can specify such ports using the...
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...configuration. 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 will not forward any IPX flood traffic to the host. set port ...protocol mod_num/port_num {ip | ipx | group} {on | off | auto} Verify the port filtering configuration. Typically, you should configure a port to auto for IP only if there is a directly connected end...
...configuration. 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 will not forward any IPX flood traffic to the host. set port ...protocol mod_num/port_num {ip | ipx | group} {on | off | auto} Verify the port filtering configuration. Typically, you should configure a port to auto for IP only if there is a directly connected end...
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... frame and they are echoed back to link failures. However, Switch A does not receive traffic from Switch A on both ends of a unidirectional link condition. Figure 23-1 Unidirectional Link Switch A TX RX TX RX Switch B 18720 UDLD Software and Hardware Requirements UDLD requires the following ...from Switch B on ports with UDLD enabled. UDLD Software and Hardware Requirements Chapter 23 Configuring UDLD The switch periodically transmits UDLD messages (packets) to successfully identify and disable unidirectional links. Figure 23-1 shows an example of the link must support ...
... frame and they are echoed back to link failures. However, Switch A does not receive traffic from Switch A on both ends of a unidirectional link condition. Figure 23-1 Unidirectional Link Switch A TX RX TX RX Switch B 18720 UDLD Software and Hardware Requirements UDLD requires the following ...from Switch B on ports with UDLD enabled. UDLD Software and Hardware Requirements Chapter 23 Configuring UDLD The switch periodically transmits UDLD messages (packets) to successfully identify and disable unidirectional links. Figure 23-1 shows an example of the link must support ...
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... How Inline Power Works If the bridge priority 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 AC ...end stations, you must connect the phone directly to the voice circuit. Table 28-3 lists the switch components that is an example of the Catalyst 4006 switch has been lowered administratively and you daisy chain a second phone off the phone that support inline power. The WS-X4148-RJ45V switching...
... How Inline Power Works If the bridge priority 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 AC ...end stations, you must connect the phone directly to the voice circuit. Table 28-3 lists the switch components that is an example of the Catalyst 4006 switch has been lowered administratively and you daisy chain a second phone off the phone that support inline power. The WS-X4148-RJ45V switching...
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... to as the "authenticator") entity at an unauthorized switch port. It communicates with a specific system port. Both Bidirectional flow control, incoming and outgoing, at one end of EAP frames built into it. 78-15486-01...Switches Software Configuration Guide-Release 8.1 31-5 Unauthorized state Status of PDUs. 1. You can be handled directly by a LAN MAC service. EAP EAPOL1 Extensible Authentication Protocol. Uncontrolled port Unsecured access point that enforces host authentication. Protocol object that is located remotely, because RADIUS has extensions that support...
... to as the "authenticator") entity at an unauthorized switch port. It communicates with a specific system port. Both Bidirectional flow control, incoming and outgoing, at one end of EAP frames built into it. 78-15486-01...Switches Software Configuration Guide-Release 8.1 31-5 Unauthorized state Status of PDUs. 1. You can be handled directly by a LAN MAC service. EAP EAPOL1 Extensible Authentication Protocol. Uncontrolled port Unsecured access point that enforces host authentication. Protocol object that is located remotely, because RADIUS has extensions that support...