Software Configuration Guide
Page 9
...R 78-14982-01 Configuring a System Name and Prompt 7-48 Default System Name and Prompt Configuration 7-48 Configuring a System Name 7-48 Configuring a System Prompt 7-49 Understanding DNS 7-49 Default ... Secure Addresses 7-59 Displaying Address Table Entries 7-60 Managing the ARP Table 7-61 Switch Software Releases 7-61 Configuring 802.1X Port-Based Authentication 8-1 Understanding 802.1X Port... 802.1X Configuration Guidelines 8-7 Enabling 802.1X Authentication 8-8 Configuring the Switch-to-RADIUS-Server Communication 8-9 Enabling Periodic Re-Authentication 8-10 Manually Re-Authenticating a Client Connected ...
...R 78-14982-01 Configuring a System Name and Prompt 7-48 Default System Name and Prompt Configuration 7-48 Configuring a System Name 7-48 Configuring a System Prompt 7-49 Understanding DNS 7-49 Default ... Secure Addresses 7-59 Displaying Address Table Entries 7-60 Managing the ARP Table 7-61 Switch Software Releases 7-61 Configuring 802.1X Port-Based Authentication 8-1 Understanding 802.1X Port... 802.1X Configuration Guidelines 8-7 Enabling 802.1X Authentication 8-8 Configuring the Switch-to-RADIUS-Server Communication 8-9 Enabling Periodic Re-Authentication 8-10 Manually Re-Authenticating a Client Connected ...
Software Configuration Guide
Page 29
... World Wide Web at this URL: http://www.cisco.com Translated documentation is available on Cisco.com) • Release Notes for the Cisco LRE 48 POTS Splitter (not orderable but is available at this URL: http://www.cisco.com/public/countries_languages.shtml 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide xxix Before installing, configuring, or...
... World Wide Web at this URL: http://www.cisco.com Translated documentation is available on Cisco.com) • Release Notes for the Cisco LRE 48 POTS Splitter (not orderable but is available at this URL: http://www.cisco.com/public/countries_languages.shtml 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide xxix Before installing, configuring, or...
Software Configuration Guide
Page 33
... to Go Next, page 1-21 Features The Catalyst 2950 software supports the switches listed in Table 1-1 and in the release notes. Table 1-1 Switches Supported Switch Catalyst 2950-12 Software Image SI1 Catalyst 2950-24 SI Catalyst 2950C-24 EI2 Catalyst 2950G-12-EI EI Catalyst 2950G-24-EI EI Catalyst 2950G-24-EI-DC EI Catalyst 2950G-48-EI EI Catalyst 2950SX-24 SI Catalyst 2950T-24 EI Catalyst 2950ST-24-LRE YJ3 Catalyst 2950ST-8-LRE YJ 1.
... to Go Next, page 1-21 Features The Catalyst 2950 software supports the switches listed in Table 1-1 and in the release notes. Table 1-1 Switches Supported Switch Catalyst 2950-12 Software Image SI1 Catalyst 2950-24 SI Catalyst 2950C-24 EI2 Catalyst 2950G-12-EI EI Catalyst 2950G-24-EI EI Catalyst 2950G-24-EI-DC EI Catalyst 2950G-48-EI EI Catalyst 2950SX-24 SI Catalyst 2950T-24 EI Catalyst 2950ST-24-LRE YJ3 Catalyst 2950ST-8-LRE YJ 1.
Software Configuration Guide
Page 34
...8226; Support for connecting to the release notes for this release: Note Some features require that LRE switches use Long-Reach Ethernet rather than Fast Ethernet and Gigabit for the Cisco LRE 48 POTS Splitter. Ease of Use and Ease of up to the Installation Notes for the Gigabit ports. ...For information about the Cisco LRE CPE devices, refer to the Cisco LRE CPE Hardware Installation Guide. Switch LRE ports and the Ethernet ports on the Catalyst 2950 LRE switch, with ...
...8226; Support for connecting to the release notes for this release: Note Some features require that LRE switches use Long-Reach Ethernet rather than Fast Ethernet and Gigabit for the Cisco LRE 48 POTS Splitter. Ease of Use and Ease of up to the Installation Notes for the Gigabit ports. ...For information about the Cisco LRE CPE devices, refer to the Cisco LRE CPE Hardware Installation Guide. Switch LRE ports and the Ethernet ports on the Catalyst 2950 LRE switch, with ...
Software Configuration Guide
Page 35
... • Multicast VLAN registration (MVR) to continuously send multicast streams in earlier software releases for this switch. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 1-3 The Catalyst 2950G-12-EI, 2950G-24-EI, 2950G-24-EI-DC, and 2950G-48-EI switches running Cisco IOS Release 12.1(6)EA2 or later support frame sizes from degrading overall system performance with CMS for...
... • Multicast VLAN registration (MVR) to continuously send multicast streams in earlier software releases for this switch. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 1-3 The Catalyst 2950G-12-EI, 2950G-24-EI, 2950G-24-EI-DC, and 2950G-48-EI switches running Cisco IOS Release 12.1(6)EA2 or later support frame sizes from degrading overall system performance with CMS for...
Software Configuration Guide
Page 41
...over existing infrastructure (existing telephone lines). Table 1-3 Providing Network Services Network Demands Suggested Design Methods High demand for using the Catalyst switches to create these networks: • Cost-effective wiring closet-A cost-effective way to connect many users on a single ...smaller network segments so that fewer users share the bandwidth, and use a stack of Catalyst 2950G-48 switches, you can meet those resources most. • Use full-duplex operation between the switch and its connected workstations. • Increased power of new PCs, workstations, and ...
...over existing infrastructure (existing telephone lines). Table 1-3 Providing Network Services Network Demands Suggested Design Methods High demand for using the Catalyst switches to create these networks: • Cost-effective wiring closet-A cost-effective way to connect many users on a single ...smaller network segments so that fewer users share the bandwidth, and use a stack of Catalyst 2950G-48 switches, you can meet those resources most. • Use full-duplex operation between the switch and its connected workstations. • Increased power of new PCs, workstations, and ...
Software Configuration Guide
Page 45
This network uses a collapsed backbone and switch clusters. A collapsed backbone has high-bandwidth uplinks from the Cisco IP Phones are configured on the Catalyst 3524-PWR XL switches provides -48 VDC power to the Cisco IP Phone. Voice traffic from all the Catalyst switches except the Catalyst 4908G-L3 switch. These multiservice switch ports automatically detect if an IP phone is connected...
This network uses a collapsed backbone and switch clusters. A collapsed backbone has high-bandwidth uplinks from the Cisco IP Phones are configured on the Catalyst 3524-PWR XL switches provides -48 VDC power to the Cisco IP Phone. Voice traffic from all the Catalyst switches except the Catalyst 4908G-L3 switch. These multiservice switch ports automatically detect if an IP phone is connected...
Software Configuration Guide
Page 48
.... Data to and from the telephone line to a nonhomologated POTS splitter, such as the Cisco LRE 48 POTS Splitter. The LRE CPE device provides: • Two RJ-11 ports, one Ethernet connection; a Cisco 585 LRE CPE provides four. Through a patch panel, the telephone line from interrupting the Ethernet... panel. The PBX routes voice traffic to 700 kHz frequency range. The Catalyst 2950 LRE switches are controlled by a profile configured on the LRE link are cascaded through their 10/100/1000 switch ports. A Cisco 575 LRE CPE provides one for connecting to the telephone jack on -hook...
.... Data to and from the telephone line to a nonhomologated POTS splitter, such as the Cisco LRE 48 POTS Splitter. The LRE CPE device provides: • Two RJ-11 ports, one Ethernet connection; a Cisco 585 LRE CPE provides four. Through a patch panel, the telephone line from interrupting the Ethernet... panel. The PBX routes voice traffic to 700 kHz frequency range. The Catalyst 2950 LRE switches are controlled by a profile configured on the LRE link are cascaded through their 10/100/1000 switch ports. A Cisco 575 LRE CPE provides one for connecting to the telephone jack on -hook...
Software Configuration Guide
Page 49
... microfilter POTS telephone Required microfilter Laptop IP phone Floor 4 IP Environmental controls Cisco 585 LRE CPE Floor 3 Patch panel Cisco LRE 48 POTS splitters Catalyst 2950 LRE switches PSTN PBX Catalyst 2900 XL or Catalyst 3500 XL switch Servers Cisco 2600 router 74051 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 1-17 Chapter 1 Overview Network Configuration Examples You can...
... microfilter POTS telephone Required microfilter Laptop IP phone Floor 4 IP Environmental controls Cisco 585 LRE CPE Floor 3 Patch panel Cisco LRE 48 POTS splitters Catalyst 2950 LRE switches PSTN PBX Catalyst 2900 XL or Catalyst 3500 XL switch Servers Cisco 2600 router 74051 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 1-17 Chapter 1 Overview Network Configuration Examples You can...
Software Configuration Guide
Page 153
...Secure Shell, page 7-33 • Managing the System Time and Date, page 7-34 • Configuring a System Name and Prompt, page 7-48 • Creating a Banner, page 7-51 • Managing the MAC Address Table, page 7-54 • Managing the ARP Table, page 7-61 •...how to perform one or more information, see the "Protecting Access to Privileged EXEC Commands" section on the switch. These passwords are locally stored on page 7-2. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 7-1 For more of these security features: • At a minimum, you want network ...
...Secure Shell, page 7-33 • Managing the System Time and Date, page 7-34 • Configuring a System Name and Prompt, page 7-48 • Creating a Banner, page 7-51 • Managing the MAC Address Table, page 7-54 • Managing the ARP Table, page 7-61 •...how to perform one or more information, see the "Protecting Access to Privileged EXEC Commands" section on the switch. These passwords are locally stored on page 7-2. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 7-1 For more of these security features: • At a minimum, you want network ...
Software Configuration Guide
Page 200
...digit, and have not configured a system prompt, the first 20 characters of the system name are Switch. Return to the Cisco IOS Configuration Fundamentals Command Reference and the Cisco IOS IP and IP Routing Command Reference for ARPANET host names. Manually configure a system name. When ...config Purpose Enter global configuration mode. To return to the default hostname, use the no hostname global configuration command. 7-48 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 The prompt is updated whenever the system name changes, unless you have as the ...
...digit, and have not configured a system prompt, the first 20 characters of the system name are Switch. Return to the Cisco IOS Configuration Fundamentals Command Reference and the Cisco IOS IP and IP Routing Command Reference for ARPANET host names. Manually configure a system name. When ...config Purpose Enter global configuration mode. To return to the default hostname, use the no hostname global configuration command. 7-48 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 The prompt is updated whenever the system name changes, unless you have as the ...
Software Configuration Guide
Page 213
... a link-layer frame and sent over Ethernet, for switch clusters) • LRE and non-LRE Catalyst 2950 switches, which do not age and must determine the 48-bit MAC or the local data link address of IP datagrams and ARP requests and replies on Cisco.com and are posted on IEEE 802 networks other... than Ethernet is enabled on non-LRE switches. You can download ...
... a link-layer frame and sent over Ethernet, for switch clusters) • LRE and non-LRE Catalyst 2950 switches, which do not age and must determine the 48-bit MAC or the local data link address of IP datagrams and ARP requests and replies on Cisco.com and are posted on IEEE 802 networks other... than Ethernet is enabled on non-LRE switches. You can download ...
Software Configuration Guide
Page 323
... MODE Catalyst 2950 2 1 2 Catalyst 2950G-24 12 34 56 78 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1X SYST RPS 11X 13X 15X 1 STAT UTIL DUPLXSPEED 2X 12X 14X 16X MODE Catalyst 2950 2 1 2 Catalyst 2950G-48 SYSTEM...24 15X 2X 12X 14X 16X 1 1 2 Catalyst 2950 2 1 2 Catalyst 2950G-48 SYSTEM RPS STATUS UTIL DUPLX SPEED MODE 12 1X 34 2X 56 78 9 10 9 10 9 10 9 10 12 11X1X 34 21X2X 56 78 9 10 9 10 9 10 9 10 12 11X1X 34 21X2X 56 Catalyst 2950 78 9 10 9 10 9 10 9 10 1 1 2 1 65276 78-14982-01 Catalyst 2950 Desktop Switch...
... MODE Catalyst 2950 2 1 2 Catalyst 2950G-24 12 34 56 78 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1X SYST RPS 11X 13X 15X 1 STAT UTIL DUPLXSPEED 2X 12X 14X 16X MODE Catalyst 2950 2 1 2 Catalyst 2950G-48 SYSTEM...24 15X 2X 12X 14X 16X 1 1 2 Catalyst 2950 2 1 2 Catalyst 2950G-48 SYSTEM RPS STATUS UTIL DUPLX SPEED MODE 12 1X 34 2X 56 78 9 10 9 10 9 10 9 10 12 11X1X 34 21X2X 56 78 9 10 9 10 9 10 9 10 12 11X1X 34 21X2X 56 Catalyst 2950 78 9 10 9 10 9 10 9 10 1 1 2 1 65276 78-14982-01 Catalyst 2950 Desktop Switch...
Software Configuration Guide
Page 406
...Global Parameters You do want to 4094. The value is VLAN 1. 17-16 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 The default is in units of tenths of a second. Receiver ports on a switch can be received) is 256. • Each channel is , the maximum ...the switch or use the default settings. Configuring MVR Chapter 17 Configuring IGMP Snooping and MVR MVR Configuration Guidelines and Limitations Follow these steps to receive data on that multicast address. Note For complete syntax and usage information for this section, refer to a multicast 48-bit...
...Global Parameters You do want to 4094. The value is VLAN 1. 17-16 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 The default is in units of tenths of a second. Receiver ports on a switch can be received) is 256. • Each channel is , the maximum ...the switch or use the default settings. Configuring MVR Chapter 17 Configuring IGMP Snooping and MVR MVR Configuration Guidelines and Limitations Follow these steps to receive data on that multicast address. Note For complete syntax and usage information for this section, refer to a multicast 48-bit...
Software Configuration Guide
Page 467
... Logging Configuration Table 23-2 shows the default system message logging configuration. Debugging (and numerically lower levels; This example shows a partial switch system message: 00:00:46: %LINK-3-UPDOWN: Interface Port-channel1, changed state to up 00:00:47: %LINK-3-UPDOWN: ... Interface GigabitEthernet0/2, changed state to up 00:00:48: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to down 00:00:48: %LINEPROTO-5-UPDOWN: Line protocol on page 23-9). 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 23-3 None configured. Disabled. see...
... Logging Configuration Table 23-2 shows the default system message logging configuration. Debugging (and numerically lower levels; This example shows a partial switch system message: 00:00:46: %LINK-3-UPDOWN: Interface Port-channel1, changed state to up 00:00:47: %LINK-3-UPDOWN: ... Interface GigabitEthernet0/2, changed state to up 00:00:48: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to down 00:00:48: %LINEPROTO-5-UPDOWN: Line protocol on page 23-9). 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 23-3 None configured. Disabled. see...
Software Configuration Guide
Page 496
... to reassemble the packet. • Fragmented packet C is the field of interest on the IP subnet to define a flow. 25-4 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 There are no restrictions on which you must have a thorough understanding of the access control parameters (ACPs...packet is fragmented, the first fragment matches the second ACE (a deny) because all Layer 4 information is present. Source MAC address (Specify all 48 bits.) - If this example is that the packet is TCP and that ACE does not check any Layer 4 information and because Layer 3 ...
... to reassemble the packet. • Fragmented packet C is the field of interest on the IP subnet to define a flow. 25-4 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 There are no restrictions on which you must have a thorough understanding of the access control parameters (ACPs...packet is fragmented, the first fragment matches the second ACE (a deny) because all Layer 4 information is present. Source MAC address (Specify all 48 bits.) - If this example is that the packet is TCP and that ACE does not check any Layer 4 information and because Layer 3 ...
Software Configuration Guide
Page 500
...be 1 to numbered standard and extended ACLs, you can also create named standard and extended IP ACLs by the switch. That is that you are supported by using named ACLs instead of numbered lists is , the name of ... access list XNS extended access list AppleTalk access list 48-bit MAC address access list IPX standard access list IPX extended access list IPX SAP access list Extended 48-bit MAC address access list IPX summary address access ...access list that you can delete individual entries from a named list. 25-8 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01
...be 1 to numbered standard and extended ACLs, you can also create named standard and extended IP ACLs by the switch. That is that you are supported by using named ACLs instead of numbered lists is , the name of ... access list XNS extended access list AppleTalk access list 48-bit MAC address access list IPX standard access list IPX extended access list IPX SAP access list Extended 48-bit MAC address access list IPX summary address access ...access list that you can delete individual entries from a named list. 25-8 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01
Software Configuration Guide
Page 504
... DSCP values (0, 8, 10, 16, 18, 24, 26, 32, 34, 40, 46, 48, and 56), or use the keyword ip. show access-lists [number | name] Verify the access list configuration. Configuring ACLs Chapter 25 Configuring Network Security with ACLs Beginning in the configuration file. 25-12 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982...
... DSCP values (0, 8, 10, 16, 18, 24, 26, 32, 34, 40, 46, 48, and 56), or use the keyword ip. show access-lists [number | name] Verify the access list configuration. Configuring ACLs Chapter 25 Configuring Network Security with ACLs Beginning in the configuration file. 25-12 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982...
Software Configuration Guide
Page 506
... host source | any} In access-list configuration mode, specify one or more conditions denied or permitted to privileged EXEC mode. 25-14 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 Note The log option is optional. copy running-config startup-config (Optional) Save your entries in the ...list configuration. Configuring ACLs Chapter 25 Configuring Network Security with any of the supported 13 DSCP values ( 0, 8, 10, 16, 18, 24, 26, 32, 34, 40, 46, 48, and 56), or use the question mark (?) to see the "Applying Time Ranges to ACLs" section on page 25-15. ip ...
... host source | any} In access-list configuration mode, specify one or more conditions denied or permitted to privileged EXEC mode. 25-14 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 Note The log option is optional. copy running-config startup-config (Optional) Save your entries in the ...list configuration. Configuring ACLs Chapter 25 Configuring Network Security with any of the supported 13 DSCP values ( 0, 8, 10, 16, 18, 24, 26, 32, 34, 40, 46, 48, and 56), or use the question mark (?) to see the "Applying Time Ranges to ACLs" section on page 25-15. ip ...
Software Configuration Guide
Page 520
...• Prioritization values in the three most-significant bits, which are 0, 8, 10, 16, 18, 24, 26, 32, 34, 40, 46, 48, and 56. 26-2 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 Understanding QoS Chapter 26 Configuring QoS • Video wizard-Gives traffic that... 2 frame. This architecture specifies that the video servers are connected to carry the classification (class) information. Implementing QoS in your switch, some concepts and features in the cluster. This chapter consists of available features, see Table 26-1 on the DiffServ architecture, an...
...• Prioritization values in the three most-significant bits, which are 0, 8, 10, 16, 18, 24, 26, 32, 34, 40, 46, 48, and 56. 26-2 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 Understanding QoS Chapter 26 Configuring QoS • Video wizard-Gives traffic that... 2 frame. This architecture specifies that the video servers are connected to carry the classification (class) information. Implementing QoS in your switch, some concepts and features in the cluster. This chapter consists of available features, see Table 26-1 on the DiffServ architecture, an...