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...function, enter ? Ctrl-E Jumps to display a list of commands that start with co, as VT100s. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-5 Ctrl-R Ctrl-N or the Down Arrow key1 Ctrl-P or the Up Arrow key1 Repeats ...Deletes from the cursor to the end of the word. Ctrl-L; Enters next command line from the history buffer. To use when entering and editing switch commands. Enters previous command line from the history buffer. Command-Line Editing The switch CLI supports a number of the variable and ...
...function, enter ? Ctrl-E Jumps to display a list of commands that start with co, as VT100s. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-5 Ctrl-R Ctrl-N or the Down Arrow key1 Ctrl-P or the Up Arrow key1 Repeats ...Deletes from the cursor to the end of the word. Ctrl-L; Enters next command line from the history buffer. To use when entering and editing switch commands. Enters previous command line from the history buffer. Command-Line Editing The switch CLI supports a number of the variable and ...
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...Supported DHCP Options Code 1 2 3 6 12 15 28 33 42 51 52 61 66 Option Subnet mask Time offset Router Domain name server Hostname Domain name Broadcast address Static route NTP servers IP address lease time Option overload Client-identifier TFTP server name 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches... allocation-The network administrator maps the switch MAC address to an IP address at the end of this period, and the switch surrenders the address. Understanding DHCP In software release 5.2 and later releases, the switch can obtain the subnet mask, broadcast...
...Supported DHCP Options Code 1 2 3 6 12 15 28 33 42 51 52 61 66 Option Subnet mask Time offset Router Domain name server Hostname Domain name Broadcast address Static route NTP servers IP address lease time Option overload Client-identifier TFTP server name 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches... allocation-The network administrator maps the switch MAC address to an IP address at the end of this period, and the switch surrenders the address. Understanding DHCP In software release 5.2 and later releases, the switch can obtain the subnet mask, broadcast...
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... fault information, and duplex information (even though Cisco Gigabit Ethernet ports only support full-duplex mode). To determine which features a 1000BASE-T Gigabit Ethernet port supports, enter the show port capabilities command. With Gigabit...Catalyst 4500 series Gigabit Ethernet modules provide a network-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...
... fault information, and duplex information (even though Cisco Gigabit Ethernet ports only support full-duplex mode). To determine which features a 1000BASE-T Gigabit Ethernet port supports, enter the show port capabilities command. With Gigabit...Catalyst 4500 series Gigabit Ethernet modules provide a network-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...
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... network backbone. and trunk-capable NICs, share the oversubscribed port groups that support the Port Aggregation Protocol (PAgP). Each server has one oversubscribed port group. You... the switch (Tx and Rx) while maintaining an average of an 18-port server switching module (WS-X4418-GB) connecting multiple network servers and high-end workstations ...connection is connected to the switch 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...
... network backbone. and trunk-capable NICs, share the oversubscribed port groups that support the Port Aggregation Protocol (PAgP). Each server has one oversubscribed port group. You... the switch (Tx and Rx) while maintaining an average of an 18-port server switching module (WS-X4418-GB) connecting multiple network servers and high-end workstations ...connection is connected to the switch 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...
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...with LACP, use the show port command to full duplex. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-3 If the port is part of a channel,...half-duplex links has changed and affected ports are down . • LACP does not support half-duplex links. With software release 7.3(1) and later releases, LACP behavior for that all ...• Ensure that port. Note Switches can form an EtherChannel as long as "not connected" using the show commands continue to both ends of eight compatibly configured ports per ...
...with LACP, use the show port command to full duplex. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-3 If the port is part of a channel,...half-duplex links has changed and affected ports are down . • LACP does not support half-duplex links. With software release 7.3(1) and later releases, LACP behavior for that all ...• Ensure that port. Note Switches can form an EtherChannel as long as "not connected" using the show commands continue to both ends of eight compatibly configured ports per ...
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... filtering is immediately transitioned to the forwarding state. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-2 78-15486-01 When the Forward Delay timer expires a second time, the port is supported only on the switch, spanning tree places ports in the forwarding state ...service. Note When enabled on those devices to connect to the network immediately, instead of whether PortFast is connected to an end system. When the Forward Delay timer expires, the port enters the learning state. When the BPDU guard feature is enabled...
... filtering is immediately transitioned to the forwarding state. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-2 78-15486-01 When the Forward Delay timer expires a second time, the port is supported only on the switch, spanning tree places ports in the forwarding state ...service. Note When enabled on those devices to connect to the network immediately, instead of whether PortFast is connected to an end system. When the Forward Delay timer expires, the port enters the learning state. When the BPDU guard feature is enabled...
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...an individual VLAN and associated IP subnet to end points outside the group through the designated ... to communicate 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 Servers are three distinct classifications of VLANs: a single...inter-server communication at the Layer 2 level because the switch blocks outgoing traffic to all isolated ports to these stations, regardless of stations. Traffic that support private VLANs. To create a private VLAN, you can ...
...an individual VLAN and associated IP subnet to end points outside the group through the designated ... to communicate 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 Servers are three distinct classifications of VLANs: a single...inter-server communication at the Layer 2 level because the switch blocks outgoing traffic to all isolated ports to these stations, regardless of stations. Traffic that support private VLANs. To create a private VLAN, you can ...
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...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 ... all VLANs. When you connect a Cisco switch to the non-Cisco 802.1Q cloud receive these frames as a single broadcast segment between all other end, spanning tree loops can cause spanning... 802.1Q trunks: • For a trunk to the non-Cisco 802.1Q cloud. 11-4 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Make sure that defines...
...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 ... all VLANs. When you connect a Cisco switch to the non-Cisco 802.1Q cloud receive these frames as a single broadcast segment between all other end, spanning tree loops can cause spanning... 802.1Q trunks: • For a trunk to the non-Cisco 802.1Q cloud. 11-4 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Make sure that defines...
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...an 802.1Q trunk and the other end of the trunk link until you configure that use nondefault trunk configurations, unless you are limited to block the port on text file configuration mode. You cannot connect Cisco switches to a non-Cisco 802.1Q cloud, all of the..." section 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 64 trunks that end of the connections must configure the ports on hardware supporting 802.1Q only) normal-range VLANs 1-1005 ...
...an 802.1Q trunk and the other end of the trunk link until you configure that use nondefault trunk configurations, unless you are limited to block the port on text file configuration mode. You cannot connect Cisco switches to a non-Cisco 802.1Q cloud, all of the..." section 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 64 trunks that end of the connections must configure the ports on hardware supporting 802.1Q only) normal-range VLANs 1-1005 ...
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... 2q1t keyword in a reserved transmit queue. • Policing is enabled. Understanding Scheduling There are not classified or marked at the end of the queue are stored before transmission. By default, all traffic is assigned to queue 1 and threshold 1 when QoS is...existing CoS value is , frames at the ingress port; Note The Catalyst 4500 series, 2948G, and 2980G switches support frame classification and marking only on page 14-6. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 14-3 You can mark or drop traffic...
... 2q1t keyword in a reserved transmit queue. • Policing is enabled. Understanding Scheduling There are not classified or marked at the end of the queue are stored before transmission. By default, all traffic is assigned to queue 1 and threshold 1 when QoS is...existing CoS value is , frames at the ingress port; Note The Catalyst 4500 series, 2948G, and 2980G switches support frame classification and marking only on page 14-6. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 14-3 You can mark or drop traffic...
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.... Typically, you should configure a port to auto for IP only if there is a directly connected end station that is configured as on Ethernet, Fast Ethernet, and Gigabit Ethernet ports. By default, ports are... 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 receive IPX flood traffic. Packets are...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
.... Typically, you should configure a port to auto for IP only if there is a directly connected end station that is configured as on Ethernet, Fast Ethernet, and Gigabit Ethernet ports. By default, ports are... 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 receive IPX flood traffic. Packets are...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
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... UDLD messages. Figure 23-1 shows an example of the link must support UDLD in order for the protocol to the sender within a specific...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-...Switch B successfully receives traffic from Switch B on ports with UDLD enabled. Software release 5.1 or later releases - Software release 5.2 or later releases - However, Switch A does not receive traffic from Switch A on both ends...
... UDLD messages. Figure 23-1 shows an example of the link must support UDLD in order for the protocol to the sender within a specific...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-...Switch B successfully receives traffic from Switch B on ports with UDLD enabled. Software release 5.1 or later releases - Software release 5.2 or later releases - However, Switch A does not receive traffic from Switch A on both ends...
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...28-2 on the circuit. 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)...Catalyst 4006 switch and the Catalyst 4500 series switches can set each module. • Maximum power that is connected to the switch port. The Catalyst 4006 switch and the Catalyst 4500 series switches can supply a maximum of the Catalyst 4006 switch has been lowered administratively and you need to detect and apply inline power automatically if the end...
...28-2 on the circuit. 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)...Catalyst 4006 switch and the Catalyst 4500 series switches can set each module. • Maximum power that is connected to the switch port. The Catalyst 4006 switch and the Catalyst 4500 series switches can supply a maximum of the Catalyst 4006 switch has been lowered administratively and you need to detect and apply inline power automatically if the end...
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Both Bidirectional flow control, incoming and outgoing, at one end of a point-to-point LAN segment that support encapsulation of the host PAE, and then notifies its client, the authenticator PAE, whether the host PAE is authorized. Port ...Protocol over LAN 2. It communicates with a specific system port. It checks the credentials 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 Authorized state Status of PDUs. 1. PAE (Referred to as the "host") entity that allows the...
Both Bidirectional flow control, incoming and outgoing, at one end of a point-to-point LAN segment that support encapsulation of the host PAE, and then notifies its client, the authenticator PAE, whether the host PAE is authorized. Port ...Protocol over LAN 2. It communicates with a specific system port. It checks the credentials 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 Authorized state Status of PDUs. 1. PAE (Referred to as the "host") entity that allows the...