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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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... frames larger than 1500 bytes. Catalyst 2950 LRE switches - Note See the "Advantages of bandwidth between switches, routers, and servers • Support for providing up to 2 Gbps of Using CMS and Clustering Switches" section on the same switch • Dynamic address learning for enhanced security Manageability • Cisco Intelligence Engine 2100 (IE2100) Series Cisco Networking Services (CNS) embedded agents...
... frames larger than 1500 bytes. Catalyst 2950 LRE switches - Note See the "Advantages of bandwidth between switches, routers, and servers • Support for providing up to 2 Gbps of Using CMS and Clustering Switches" section on the same switch • Dynamic address learning for enhanced security Manageability • Cisco Intelligence Engine 2100 (IE2100) Series Cisco Networking Services (CNS) embedded agents...
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...applications such as servers and routers to which network users require equal access-directly 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 Software Configuration Guide 78-...-Provider Central-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 number of...
...applications such as servers and routers to which network users require equal access-directly 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 Software Configuration Guide 78-...-Provider Central-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 number of...
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.... You optimize network performance by placing workstations on each user and improving server response time. The Catalyst 2900 XL, Catalyst 2950, Catalyst 3500 XL, and Catalyst 3550 switches in this network are connected directly to form a 1-Gbps network backbone. When a workstation is ... high-bandwidth connection (such as web and mail servers). or 100-Mbps access 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)...
.... You optimize network performance by placing workstations on each user and improving server response time. The Catalyst 2900 XL, Catalyst 2950, Catalyst 3500 XL, and Catalyst 3550 switches in this network are connected directly to form a 1-Gbps network backbone. When a workstation is ... high-bandwidth connection (such as web and mail servers). or 100-Mbps access 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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... source. 1-14 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 A collapsed backbone has high-bandwidth uplinks from all the Catalyst switches except the Catalyst 4908G-L3 switch. You can place, receive, and control calls from the Cisco IP Phones are configured...inter-VLAN routing and allows the router to focus on the switches, allowing 1-Gbps throughput to users when needed. Collapsed Backbone and Switch Cluster Configuration Figure 1-3 shows a configuration for security management. Using CMS and Cisco switch clustering technology, you can have ...
... source. 1-14 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 A collapsed backbone has high-bandwidth uplinks from all the Catalyst switches except the Catalyst 4908G-L3 switch. You can place, receive, and control calls from the Cisco IP Phones are configured...inter-VLAN routing and allows the router to focus on the switches, allowing 1-Gbps throughput to users when needed. Collapsed Backbone and Switch Cluster Configuration Figure 1-3 shows a configuration for security management. Using CMS and Cisco switch clustering technology, you can have ...
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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-Mbps full-duplex Fast EtherChannel...
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-Mbps full-duplex Fast EtherChannel...
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...: • Accounting, billing, and provisioning servers • A router that use an ANSI-compliant LRE profile named LRE-998-15-4. Data to and from each LRE port. The Catalyst 2950 LRE switches are using the same telephone line. The upstream and downstream rates ...low-frequency) traffic from interrupting the Ethernet connection. Each switch also has a 10/100/1000 connection to a Catalyst 2950 LRE switch and digital private branch exchange (PBX). The Catalyst 2950 LRE switch ports support the same software features as the Cisco LRE 48 POTS Splitter. For example, you can share...
...: • Accounting, billing, and provisioning servers • A router that use an ANSI-compliant LRE profile named LRE-998-15-4. Data to and from each LRE port. The Catalyst 2950 LRE switches are using the same telephone line. The upstream and downstream rates ...low-frequency) traffic from interrupting the Ethernet connection. Each switch also has a 10/100/1000 connection to a Catalyst 2950 LRE switch and digital private branch exchange (PBX). The Catalyst 2950 LRE switch ports support the same software features as the Cisco LRE 48 POTS Splitter. For example, you can share...
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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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... also prevent nonfiltered telephone rings and nonfiltered telephone transitions (such as a Catalyst 3550-12G switch or Cisco 7600 router. Each switch also has a 10/100/1000 connection to an aggregation switch, such as on the LRE link are compliant with a 300-ohm termination. The Catalyst 2950 LRE switches are located in a central office and are connected to off-hook...
... also prevent nonfiltered telephone rings and nonfiltered telephone transitions (such as a Catalyst 3550-12G switch or Cisco 7600 router. Each switch also has a 10/100/1000 connection to an aggregation switch, such as on the LRE link are compliant with a 300-ohm termination. The Catalyst 2950 LRE switches are located in a central office and are connected to off-hook...
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... previous examples to create workgroups with Gigabit access to core resources: • Cisco 7000 series router for a network of Catalyst 2950 and Catalyst 2955 switches. Because it can aggregate up to 130 Gigabit connections, a Catalyst 6500 multilayer switch is used as Cisco Access Digital Trunk Gateway or Cisco Access Analog Trunk Gateway) that connects the IP network to the Public...
... previous examples to create workgroups with Gigabit access to core resources: • Cisco 7000 series router for a network of Catalyst 2950 and Catalyst 2955 switches. Because it can aggregate up to 130 Gigabit connections, a Catalyst 6500 multilayer switch is used as Cisco Access Digital Trunk Gateway or Cisco Access Analog Trunk Gateway) that connects the IP network to the Public...
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... aggregation switch. The Catalyst LRE switches can be Catalyst 2950 switches, providing customers with high-speed connections to the Catalyst 2950 Desktop Switch Hardware Installation Guide. 1-20 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 Network Configuration Examples Chapter 1 Overview Figure 1-6 Large Campus Configuration WAN IP telephony network or PSTN Cisco CallManager Cisco 7200 Cisco access or 7500 router gateway Servers Catalyst 6500 switch Catalyst 2950, 2900...
... aggregation switch. The Catalyst LRE switches can be Catalyst 2950 switches, providing customers with high-speed connections to the Catalyst 2950 Desktop Switch Hardware Installation Guide. 1-20 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 Network Configuration Examples Chapter 1 Overview Figure 1-6 Large Campus Configuration WAN IP telephony network or PSTN Cisco CallManager Cisco 7200 Cisco access or 7500 router gateway Servers Catalyst 6500 switch Catalyst 2950, 2900...
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... and isolation between 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...
... and isolation between 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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... using the default method of authentication (the enable password), you have configured the HTTP server 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 ...Panel View" section on page 4-13 "Topology View" section on the switch. If no username is used. • local-Local user database, as described in the password field. 4-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 Configuring an Authentication Method (Nondefault Configuration Only...
... using the default method of authentication (the enable password), you have configured the HTTP server 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 ...Panel View" section on page 4-13 "Topology View" section on the switch. If no username is used. • local-Local user database, as described in the password field. 4-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 Configuring an Authentication Method (Nondefault Configuration Only...
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...the online help . 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 4-15 Note The Topology view displays only the switch cluster and network neighborhood of the specific command or member switch that you need to access the command switch or member switch of that cluster. For CMS procedures and..., refer to the online help for the software features supported in a cluster. It also shows candidate switches that are not eligible to join the cluster (such as routers, access points, IP phones, and so on). The view shows how the cluster is connected to other...
...the online help . 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 4-15 Note The Topology view displays only the switch cluster and network neighborhood of the specific command or member switch that you need to access the command switch or member switch of that cluster. For CMS procedures and..., refer to the online help for the software features supported in a cluster. It also shows candidate switches that are not eligible to join the cluster (such as routers, access points, IP phones, and so on). The view shows how the cluster is connected to other...
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...no DHCP client-side configuration is needed on your switch, the DHCP client is invoked and requests configuration information from a DHCP server when the configuration file is not present on the switch. A router does not forward broadcast packets, but it forwards packets... returns a DHCPDECLINE broadcast message to the DHCP 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 DHCP-based autoconfiguration replaces the BOOTP client ...
...no DHCP client-side configuration is needed on your switch, the DHCP client is invoked and requests configuration information from a DHCP server when the configuration file is not present on the switch. A router does not forward broadcast packets, but it forwards packets... returns a DHCPDECLINE broadcast message to the DHCP 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 DHCP-based autoconfiguration replaces the BOOTP client ...
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... to obtain the switch configuration file. 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...is a Cisco device, or if you are enabled on Catalyst 2955 switches. A DHCP client might receive offers from a BOOTP server and configures itself, the switch broadcasts, instead of unicasts, TFTP requests to each switch by the switch) (required) 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration...
... to obtain the switch configuration file. 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...is a Cisco device, or if you are enabled on Catalyst 2955 switches. A DHCP client might receive offers from a BOOTP server and configures itself, the switch broadcasts, instead of unicasts, TFTP requests to each switch by the switch) (required) 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration...
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... 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 the required information. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-6 78-11380-10 Assigning Switch Information Chapter 5 Assigning the Switch IP Address and Default Gateway If you want the...
... 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 the required information. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-6 78-11380-10 Assigning Switch Information Chapter 5 Assigning the Switch IP Address and Default Gateway If you want the...
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...-if)# ip helper-address 10.0.0.1 Figure 5-2 Relay Device Used 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 Examples of the DHCP server from a host on the DNS server. You must configure this...
...-if)# ip helper-address 10.0.0.1 Figure 5-2 Relay Device Used 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 Examples of the DHCP server from a host on the DNS server. You must configure this...
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...on the availability of the server, and upon receipt, it completes its host name. If the switch cannot read the router-confg file, it reads the router-confg file. The switch sends a unicast message to the TFTP server to retrieve the named configuration file from the base directory...If the host name is not provided in the DHCP reply (one -file read method). Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-8 78-11380-10 The switch fills its host name. If the switch cannot read method). The configuration filename is not obtained from the DHCP server. The...
...on the availability of the server, and upon receipt, it completes its host name. If the switch cannot read the router-confg file, it reads the router-confg file. The switch sends a unicast message to the TFTP server to retrieve the named configuration file from the base directory...If the host name is not provided in the DHCP reply (one -file read method). Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-8 78-11380-10 The switch fills its host name. If the switch cannot read method). The configuration filename is not obtained from the DHCP server. The...
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...The TFTP server base directory is set to /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 IP address 10.0.0.3. This directory contains... 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...
...The TFTP server base directory is set to /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 IP address 10.0.0.3. This directory contains... 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...