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...22 C H A P T E R Configuring IGMP Snooping 21-6 Default IGMP Snooping Configuration 21-6 Enabling or Disabling IGMP Snooping 21-7 Setting the Snooping Method 21-8 Configuring a Multicast Router Port 21-9 Configuring a Host Statically to Join a Group Enabling IGMP Immediate-Leave Processing Disabling IGMP Report Suppression 21-11 21-10 21-10 Disabling IP ...-4 Configuring Protected Ports 22-4 Configuring Port Blocking 22-5 Blocking Flooded Traffic on an Interface 22-5 Resuming Normal Forwarding on a Port 22-6 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide xix
...22 C H A P T E R Configuring IGMP Snooping 21-6 Default IGMP Snooping Configuration 21-6 Enabling or Disabling IGMP Snooping 21-7 Setting the Snooping Method 21-8 Configuring a Multicast Router Port 21-9 Configuring a Host Statically to Join a Group Enabling IGMP Immediate-Leave Processing Disabling IGMP Report Suppression 21-11 21-10 21-10 Disabling IP ...-4 Configuring Protected Ports 22-4 Configuring Port Blocking 22-5 Blocking Flooded Traffic on an Interface 22-5 Resuming Normal Forwarding on a Port 22-6 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide xix
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... bandwidth between switches, routers, and servers • Support for the cluster hardware and software requirements, refer to the Chapter 4, "Getting Started with the EI) • DHCP-based autoconfiguration for HSRP must have compatible software releases. Catalyst 2950 LRE switches - Note See... IEEE 802.3x flow control on the same switch • Dynamic address learning for enhanced security Manageability • Cisco Intelligence Engine 2100 (IE2100) Series Cisco Networking Services (CNS) embedded agents for automating switch management, configuration storage and delivery (available only...
... bandwidth between switches, routers, and servers • Support for the cluster hardware and software requirements, refer to the Chapter 4, "Getting Started with the EI) • DHCP-based autoconfiguration for HSRP must have compatible software releases. Catalyst 2950 LRE switches - Note See... IEEE 802.3x flow control on the same switch • Dynamic address learning for enhanced security Manageability • Cisco Intelligence Engine 2100 (IE2100) Series Cisco Networking Services (CNS) embedded agents for automating switch management, configuration storage and delivery (available only...
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...routers to which network users require equal access-directly to the Fast Ethernet or Gigabit Ethernet switch ports so that they use VLANs and IP subnets to place the network resources in the same logical network as the users who access those demands. 1-10 Catalyst 2950 and Catalyst 2955 Switch...-Office Configuration" section on page 1-18 • "Large Campus Configuration" section on page 1-19 • "Multidwelling Network Using Catalyst 2950 Switches" section on page 1-20 • "Long-Distance, High-Bandwidth Transport Configuration" section on a single network segment and a growing...
...routers to which network users require equal access-directly to the Fast Ethernet or Gigabit Ethernet switch ports so that they use VLANs and IP subnets to place the network resources in the same logical network as the users who access those demands. 1-10 Catalyst 2950 and Catalyst 2955 Switch...-Office Configuration" section on page 1-18 • "Large Campus Configuration" section on page 1-19 • "Multidwelling Network Using Catalyst 2950 Switches" section on page 1-20 • "Long-Distance, High-Bandwidth Transport Configuration" section on a single network segment and a growing...
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..., thereby increasing the bandwidth available to each switch to form a 1-Gbps network backbone. The Catalyst 2900 XL, Catalyst 2950, Catalyst 3500 XL, and Catalyst 3550 switches in this network are connected directly to the 10/100 switch ports for redundant cluster management. This GigaStack ...is a high-bandwidth connection (such as web and mail servers). Figure 1-2 Small to Medium-Sized Network Configuration Cisco 2600 router Catalyst 2900 XL, Catalyst 2950, Catalyst 3550, and Catalyst 3500 XL GigaStack cluster 100 Mbps (200 Mbps full duplex) Gigabit server 1 Gbps (2 Gbps full duplex)...
..., thereby increasing the bandwidth available to each switch to form a 1-Gbps network backbone. The Catalyst 2900 XL, Catalyst 2950, Catalyst 3500 XL, and Catalyst 3550 switches in this network are connected directly to the 10/100 switch ports for redundant cluster management. This GigaStack ...is a high-bandwidth connection (such as web and mail servers). Figure 1-2 Small to Medium-Sized Network Configuration Cisco 2600 router Catalyst 2900 XL, Catalyst 2950, Catalyst 3550, and Catalyst 3500 XL GigaStack cluster 100 Mbps (200 Mbps full duplex) Gigabit server 1 Gbps (2 Gbps full duplex)...
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... Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 Using Cisco IP Phones, Cisco CallManager software, and Cisco SoftPhone software integrates telephony and IP networks, and the IP network supports both voice and data. You can receive redundant power when it is also connected to the Catalyst 3550-24PWR switches receive power from all the Catalyst switches except...
... Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 Using Cisco IP Phones, Cisco CallManager software, and Cisco SoftPhone software integrates telephony and IP networks, and the IP network supports both voice and data. You can receive redundant power when it is also connected to the Catalyst 3550-24PWR switches receive power from all the Catalyst switches except...
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... and one Ethernet connection; Chapter 1 Overview Network Configuration Examples Figure 1-3 Collapsed Backbone and Switch Cluster Configuration Gigabit servers Cisco CallManager Catalyst 3550-12T or Catalyst 3550-12G switch Si Cisco 2600 router 1 Gbps (2 Gbps full duplex) Catalyst 2950, 2900 XL, 3550, and 3500 XL GigaStack cluster Catalyst 2950, 2900 XL, 3550, and 3500 XL GigaStack cluster 200 Mbps Fast EtherChannel (400...
... and one Ethernet connection; Chapter 1 Overview Network Configuration Examples Figure 1-3 Collapsed Backbone and Switch Cluster Configuration Gigabit servers Cisco CallManager Catalyst 3550-12T or Catalyst 3550-12G switch Si Cisco 2600 router 1 Gbps (2 Gbps full duplex) Catalyst 2950, 2900 XL, 3550, and 3500 XL GigaStack cluster Catalyst 2950, 2900 XL, 3550, and 3500 XL GigaStack cluster 200 Mbps Fast EtherChannel (400...
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... controlled by a profile configured on each room connects to the patch panel. The aggregation switch can connect to these devices: • Accounting, billing, and provisioning servers • A router that use an ANSI-compliant LRE profile named LRE-998-15-4. Microfilters improve voice call ... splitter is established between the CPE RJ-11 wall port and the LRE port on an LRE switch. The Catalyst 2950 LRE switch ports support the same software features as the Cisco LRE 48 POTS Splitter. They also prevent nonfiltered telephone rings and nonfiltered telephone transitions (such as ...
... controlled by a profile configured on each room connects to the patch panel. The aggregation switch can connect to these devices: • Accounting, billing, and provisioning servers • A router that use an ANSI-compliant LRE profile named LRE-998-15-4. Microfilters improve voice call ... splitter is established between the CPE RJ-11 wall port and the LRE port on an LRE switch. The Catalyst 2950 LRE switch ports support the same software features as the Cisco LRE 48 POTS Splitter. They also prevent nonfiltered telephone rings and nonfiltered telephone transitions (such as ...
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...-top box TV Cisco 575 LRE CPE Required microfilter POTS telephone Required microfilter IP Laptop phone Floor 4 IP Environmental controls Cisco 585 LRE CPE Floor 3 Patch panel Cisco LRE 48 POTS splitters Catalyst 2950ST-8 LRE and 2950ST-24 LRE switches PSTN PBX Catalyst 2950 or Catalyst 3550 switch Servers Cisco 2600 router 89514 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide...
...-top box TV Cisco 575 LRE CPE Required microfilter POTS telephone Required microfilter IP Laptop phone Floor 4 IP Environmental controls Cisco 585 LRE CPE Floor 3 Patch panel Cisco LRE 48 POTS splitters Catalyst 2950ST-8 LRE and 2950ST-24 LRE switches PSTN PBX Catalyst 2950 or Catalyst 3550 switch Servers Cisco 2600 router 89514 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide...
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...) from the telephone line to a PSTN. Data to and from the LRE switches to a Catalyst 2950 LRE switch and voice (low-frequency) traffic from interrupting the Ethernet connection. The Catalyst 2950 LRE switch ports support the same software features as a Catalyst 3550-12G switch or Cisco 7600 router. You can configure port-based VLANs on the wall and one Ethernet connection...
...) from the telephone line to a PSTN. Data to and from the LRE switches to a Catalyst 2950 LRE switch and voice (low-frequency) traffic from interrupting the Ethernet connection. The Catalyst 2950 LRE switch ports support the same software features as a Catalyst 3550-12G switch or Cisco 7600 router. You can configure port-based VLANs on the wall and one Ethernet connection...
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... to core resources: • Cisco 7000 series router for a network of Catalyst 2950 and Catalyst 2955 switches. For example, you can aggregate up to the Catalyst 6500 switch. Cisco CallManager controls call -processing server running Cisco CallManager software. The Catalyst 6500 switch provides the workgroups with Gigabit uplinks to 130 Gigabit connections, a Catalyst 6500 multilayer switch is used as Cisco Access Digital Trunk Gateway or...
... to core resources: • Cisco 7000 series router for a network of Catalyst 2950 and Catalyst 2955 switches. For example, you can aggregate up to the Catalyst 6500 switch. Cisco CallManager controls call -processing server running Cisco CallManager software. The Catalyst 6500 switch provides the workgroups with Gigabit uplinks to 130 Gigabit connections, a Catalyst 6500 multilayer switch is used as Cisco Access Digital Trunk Gateway or...
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... IP telephony network or PSTN Cisco CallManager Cisco 7200 Cisco access or 7500 router gateway Servers Catalyst 6500 switch Catalyst 2950, 2900 XL, 3500 XL, and 3550 GigaStack cluster 1 Gbps (2 Gbps full duplex) Catalyst 3550-24PWR cluster Workstations running Cisco SoftPhone software IP IP Cisco IP Phones IP IP IP Cisco IP Phones 60995 Multidwelling Network Using Catalyst 2950 Switches A growing segment of -presence (POP...
... IP telephony network or PSTN Cisco CallManager Cisco 7200 Cisco access or 7500 router gateway Servers Catalyst 6500 switch Catalyst 2950, 2900 XL, 3500 XL, and 3550 GigaStack cluster 1 Gbps (2 Gbps full duplex) Catalyst 3550-24PWR cluster Workstations running Cisco SoftPhone software IP IP Cisco IP Phones IP IP IP Cisco IP Phones 60995 Multidwelling Network Using Catalyst 2950 Switches A growing segment of -presence (POP...
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... Configuration Examples All ports on the residential Catalyst 2950 and 2955 switches (and Catalyst LRE switches if they are included) are configured as those described in a MAN Configuration Cisco 12000 Gigabit switch routers Catalyst 6500 switches Si Service Provider POP Si Catalyst 3550 Si multilayer switches Si Si Mini-POP Si Gigabit MAN Si Si Catalyst switches Set-top box TV Residential location Residential...
... Configuration Examples All ports on the residential Catalyst 2950 and 2955 switches (and Catalyst LRE switches if they are included) are configured as those described in a MAN Configuration Cisco 12000 Gigabit switch routers Catalyst 6500 switches Si Service Provider POP Si Catalyst 3550 Si multilayer switches Si Si Mini-POP Si Gigabit MAN Si Si Catalyst switches Set-top box TV Residential location Residential...
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... interface, display the switch home page, as defined on the Cisco router or access server, is used. • tacacs-TACACS server is used on page 4-14 Launching CMS To display the switch home page, follow these steps: Step 1 Step 2 Enter the switch IP address in the password field. 4-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78...
... interface, display the switch home page, as defined on the Cisco router or access server, is used. • tacacs-TACACS server is used on page 4-14 Launching CMS To display the switch home page, follow these steps: Step 1 Step 2 Enter the switch IP address in the password field. 4-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78...
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...help for a list of this guide provides information about upgrading your switch by a single icon. This view shows the command switch and member switches in the online help . 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 4-15 The view shows how the cluster is ...Next The Topology view shows how the devices within a switch cluster are connected and how the switch cluster is connected to other clusters, candidate switches, and devices that are not eligible to join the cluster (such as routers, access points, IP phones, and so on). Where...
...help for a list of this guide provides information about upgrading your switch by a single icon. This view shows the command switch and member switches in the online help . 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 4-15 The view shows how the cluster is ...Next The Topology view shows how the devices within a switch cluster are connected and how the switch cluster is connected to other clusters, candidate switches, and devices that are not eligible to join the cluster (such as routers, access points, IP phones, and so on). Where...
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... enabled on the destination IP address in the received packet. A router does not forward broadcast packets, but it forwards packets based on the switch. Figure 5-1 DHCP Client and Server Message Exchange Switch A DHCPDISCOVER (broadcast) DHCPOFFER (unicast) DHCPREQUEST (broadcast) DHCPACK (...TFTP server and a Domain Name System (DNS) server. With this case, the switch broadcasts TFTP requests for various lease options associated with IP addresses. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-4 78-11380-10 In this message, the client and server ...
... enabled on the destination IP address in the received packet. A router does not forward broadcast packets, but it forwards packets based on the switch. Figure 5-1 DHCP Client and Server Message Exchange Switch A DHCPDISCOVER (broadcast) DHCPOFFER (unicast) DHCPREQUEST (broadcast) DHCPACK (...TFTP server and a Domain Name System (DNS) server. With this case, the switch broadcasts TFTP requests for various lease options associated with IP addresses. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-4 78-11380-10 In this message, the client and server ...
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...) 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-5 DHCP Server Configuration Guidelines Follow these lease options: • IP address of the client (required) • Subnet mask of the client (required) • DNS server IP address (optional) • Router IP address (default gateway address ... available on your DHCP server is a Cisco device, or if you must configure the DHCP server with reserved leases that the client has been slow in the Cisco IOS IP and IP Routing Configuration Guide for Cisco IOS Release 12.1 for additional information about...
...) 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-5 DHCP Server Configuration Guidelines Follow these lease options: • IP address of the client (required) • Subnet mask of the client (required) • DNS server IP address (optional) • Router IP address (default gateway address ... available on your DHCP server is a Cisco device, or if you must configure the DHCP server with reserved leases that the client has been slow in the Cisco IOS IP and IP Routing Configuration Guide for Cisco IOS Release 12.1 for additional information about...
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...or the cisconet.cfg file (known as the default configuration files). • The router-confg or the ciscortr.cfg file (These files contain commands common to all switches. The preferred solution is to configure the DHCP server with the lease options described ...the DNS-server database. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-6 78-11380-10 The TFTP server addresses used is the switch's current hostname. Assigning Switch Information Chapter 5 Assigning the Switch IP Address and Default Gateway If you want the switch to receive the configuration ...
...or the cisconet.cfg file (known as the default configuration files). • The router-confg or the ciscortr.cfg file (These files contain commands common to all switches. The preferred solution is to configure the DHCP server with the lease options described ...the DNS-server database. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-6 78-11380-10 The TFTP server addresses used is the switch's current hostname. Assigning Switch Information Chapter 5 Assigning the Switch IP Address and Default Gateway If you want the switch to receive the configuration ...
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... can be able to an a relay agent, when a switch sends broadcast packets that the switch might send are DHCP, DNS, and in Autoconfiguration Switch (DHCP client) Cisco router (Relay) 10.0.0.1 10.0.0.2 20.0.0.1 20.0.0.2 20.0.0.3 20.0.0.4 DHCP server TFTP server DNS server 49068 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-7 Configuring the Relay Device You...
... can be able to an a relay agent, when a switch sends broadcast packets that the switch might send are DHCP, DNS, and in Autoconfiguration Switch (DHCP client) Cisco router (Relay) 10.0.0.1 10.0.0.2 20.0.0.1 20.0.0.2 20.0.0.3 20.0.0.4 DHCP server TFTP server DNS server 49068 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-7 Configuring the Relay Device You...
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...configuration file from the base directory of the server, and upon receipt, it reads the ciscortr.cfg file. If the switch cannot read the router-confg file, it completes its boot-up process. • The IP address and the configuration filename is reserved for the... the cisconet.cfg file.) The default configuration file contains the host names-to eight characters. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-8 78-11380-10 The switch receives its IP address, subnet mask, TFTP server address, and the configuration filename from the DHCP server. If the host ...
...configuration file from the base directory of the server, and upon receipt, it reads the ciscortr.cfg file. If the switch cannot read the router-confg file, it completes its boot-up process. • The IP address and the configuration filename is reserved for the... the cisconet.cfg file.) The default configuration file contains the host names-to eight characters. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-8 78-11380-10 The switch receives its IP address, subnet mask, TFTP server address, and the configuration filename from the DHCP server. If the host ...
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...tftpserver/work / prompt> ls network-confg switcha-confg 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-9 This file contains the host name to be assigned to the switch based on the DHCP server. This directory contains the network-confg ... as shown in the two-file read method. Figure 5-3 DHCP-Based Autoconfiguration Network Example Switch 1 Switch 2 Switch 3 Switch 4 00e0.9f1e.2001 00e0.9f1e.2002 00e0.9f1e.2003 00e0.9f1e.2004 Cisco router 10.0.0.10 10.0.0.1 10.0.0.2 10.0.0.3 111394 DHCP server DNS server TFTP server (tftpserver) Table...
...tftpserver/work / prompt> ls network-confg switcha-confg 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-9 This file contains the host name to be assigned to the switch based on the DHCP server. This directory contains the network-confg ... as shown in the two-file read method. Figure 5-3 DHCP-Based Autoconfiguration Network Example Switch 1 Switch 2 Switch 3 Switch 4 00e0.9f1e.2001 00e0.9f1e.2002 00e0.9f1e.2003 00e0.9f1e.2004 Cisco router 10.0.0.10 10.0.0.1 10.0.0.2 10.0.0.3 111394 DHCP server DNS server TFTP server (tftpserver) Table...