Configuration Guide
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... Using IEEE 802.1x Authentication with Voice VLAN Ports 10-16 Using IEEE 802.1x Authentication with Port Security 10-17 Using IEEE 802.1x Authentication with Wake-on-LAN 10-18 Using IEEE 802.1x Authentication with MAC Authentication Bypass 10-18 Using Network Admission Control Layer 2 IEEE 802.1x Validation 10-19... IEEE 802.1x Authentication Configuration Guidelines 10-23 IEEE 802.1x Authentication 10-23 VLAN Assignment, Guest VLAN, Restricted VLAN, and Inaccessible Authentication Bypass 10-24 MAC Authentication Bypass 10-25 Catalyst 3750 Switch Software Configuration Guide xi
... Using IEEE 802.1x Authentication with Voice VLAN Ports 10-16 Using IEEE 802.1x Authentication with Port Security 10-17 Using IEEE 802.1x Authentication with Wake-on-LAN 10-18 Using IEEE 802.1x Authentication with MAC Authentication Bypass 10-18 Using Network Admission Control Layer 2 IEEE 802.1x Validation 10-19... IEEE 802.1x Authentication Configuration Guidelines 10-23 IEEE 802.1x Authentication 10-23 VLAN Assignment, Guest VLAN, Restricted VLAN, and Inaccessible Authentication Bypass 10-24 MAC Authentication Bypass 10-25 Catalyst 3750 Switch Software Configuration Guide xi
Configuration Guide
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...IEEE 802.3x Flow Control 11-19 Configuring Auto-MDIX on an Interface 11-20 Configuring a Power Management Mode on a PoE Port 11-21 Budgeting Power for Devices Connected to a PoE Port 11-23 Adding a Description for an Interface 11-24 Configuring Layer 3 ...Guidelines 12-3 Creating Smartports Macros 12-4 Applying Smartports Macros 12-5 Applying Cisco-Default Smartports Macros 12-6 Displaying Smartports Macros 12-8 Configuring VLANs 13-1 Understanding VLANs 13-1 Supported VLANs 13-2 VLAN Port Membership Modes 13-3 Contents OL-8550-02 Catalyst 3750 Switch Software Configuration Guide xiii
...IEEE 802.3x Flow Control 11-19 Configuring Auto-MDIX on an Interface 11-20 Configuring a Power Management Mode on a PoE Port 11-21 Budgeting Power for Devices Connected to a PoE Port 11-23 Adding a Description for an Interface 11-24 Configuring Layer 3 ...Guidelines 12-3 Creating Smartports Macros 12-4 Applying Smartports Macros 12-5 Applying Cisco-Default Smartports Macros 12-6 Displaying Smartports Macros 12-8 Configuring VLANs 13-1 Understanding VLANs 13-1 Supported VLANs 13-2 VLAN Port Membership Modes 13-3 Contents OL-8550-02 Catalyst 3750 Switch Software Configuration Guide xiii
Configuration Guide
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...Configuration 13-7 Default Ethernet VLAN Configuration 13-8 Creating or Modifying an Ethernet VLAN 13-9 Deleting a VLAN 13-10 Assigning Static-Access Ports to a VLAN 13-11 Configuring Extended-Range VLANs 13-12 Default VLAN Configuration 13-12 Extended-Range VLAN Configuration Guidelines 13-13 ...Ports for Load Sharing 13-24 Load Sharing Using STP Port Priorities 13-24 Load Sharing Using STP Path Cost 13-26 Configuring VMPS 13-28 Understanding VMPS 13-28 Dynamic-Access Port VLAN Membership 13-29 Default VMPS Client Configuration 13-29 VMPS Configuration Guidelines 13-29 Catalyst 3750 Switch...
...Configuration 13-7 Default Ethernet VLAN Configuration 13-8 Creating or Modifying an Ethernet VLAN 13-9 Deleting a VLAN 13-10 Assigning Static-Access Ports to a VLAN 13-11 Configuring Extended-Range VLANs 13-12 Default VLAN Configuration 13-12 Extended-Range VLAN Configuration Guidelines 13-13 ...Ports for Load Sharing 13-24 Load Sharing Using STP Port Priorities 13-24 Load Sharing Using STP Path Cost 13-26 Configuring VMPS 13-28 Understanding VMPS 13-28 Dynamic-Access Port VLAN Membership 13-29 Default VMPS Client Configuration 13-29 VMPS Configuration Guidelines 13-29 Catalyst 3750 Switch...
Configuration Guide
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...for a VLAN 18-23 Configuring the Maximum-Aging Time for a VLAN 18-23 Configuring the Transmit Hold-Count 18-24 Displaying the Spanning-Tree Status 18-24 Configuring MSTP 19-1 Understanding MSTP 19-2 Multiple Spanning-Tree Regions 19-2 IST, CIST, and CST 19-3 Operations ...Legacy and Standard Switches 19-7 Detecting Unidirectional Link Failure 19-8 MSTP and Switch Stacks 19-8 Interoperability with IEEE 802.1D STP 19-9 Understanding RSTP 19-9 Port Roles and the Active Topology 19-9 Rapid Convergence 19-10 Synchronization of Port Roles 19-11 xviii Catalyst 3750 Switch Software Configuration Guide...
...for a VLAN 18-23 Configuring the Maximum-Aging Time for a VLAN 18-23 Configuring the Transmit Hold-Count 18-24 Displaying the Spanning-Tree Status 18-24 Configuring MSTP 19-1 Understanding MSTP 19-2 Multiple Spanning-Tree Regions 19-2 IST, CIST, and CST 19-3 Operations ...Legacy and Standard Switches 19-7 Detecting Unidirectional Link Failure 19-8 MSTP and Switch Stacks 19-8 Interoperability with IEEE 802.1D STP 19-9 Understanding RSTP 19-9 Port Roles and the Active Topology 19-9 Rapid Convergence 19-10 Synchronization of Port Roles 19-11 xviii Catalyst 3750 Switch Software Configuration Guide...
Configuration Guide
Page 19
...-17 Configuring a Secondary Root Switch 19-19 Configuring Port Priority 19-19 Configuring Path Cost 19-21 Configuring the Switch Priority 19-22 Configuring the Hello Time 19-22 Configuring the Forwarding-Delay Time 19-23 Configuring the Maximum-Aging Time 19-24 Configuring the Maximum-Hop Count 19-24 Specifying the Link Type to... Guard 20-11 Configuring Optional Spanning-Tree Features 20-11 Default Optional Spanning-Tree Configuration 20-12 Optional Spanning-Tree Configuration Guidelines 20-12 Enabling Port Fast 20-12 Catalyst 3750 Switch Software Configuration Guide xix
...-17 Configuring a Secondary Root Switch 19-19 Configuring Port Priority 19-19 Configuring Path Cost 19-21 Configuring the Switch Priority 19-22 Configuring the Hello Time 19-22 Configuring the Forwarding-Delay Time 19-23 Configuring the Maximum-Aging Time 19-24 Configuring the Maximum-Hop Count 19-24 Specifying the Link Type to... Guard 20-11 Configuring Optional Spanning-Tree Features 20-11 Default Optional Spanning-Tree Configuration 20-12 Optional Spanning-Tree Configuration Guidelines 20-12 Enabling Port Fast 20-12 Catalyst 3750 Switch Software Configuration Guide xix
Configuration Guide
Page 22
... Applying IGMP Profiles 24-26 Setting the Maximum Number of IGMP Groups 24-27 Configuring the IGMP Throttling Action 24-28 Displaying IGMP Filtering and Throttling Configuration 24-29 Configuring Port-Based Traffic Control 25-1 Configuring Storm Control 25-1 Understanding Storm Control 25-1 Default Storm Control Configuration 25-3 Configuring Storm Control and Threshold Levels 25-3 Catalyst 3750 Switch Software Configuration Guide xxii...
... Applying IGMP Profiles 24-26 Setting the Maximum Number of IGMP Groups 24-27 Configuring the IGMP Throttling Action 24-28 Displaying IGMP Filtering and Throttling Configuration 24-29 Configuring Port-Based Traffic Control 25-1 Configuring Storm Control 25-1 Understanding Storm Control 25-1 Default Storm Control Configuration 25-3 Configuring Storm Control and Threshold Levels 25-3 Catalyst 3750 Switch Software Configuration Guide xxii...
Configuration Guide
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...28-4 Monitored Traffic 28-5 Source Ports 28-6 Source VLANs 28-7 VLAN Filtering 28-7 Destination Port 28-8 RSPAN VLAN 28-9 SPAN and RSPAN Interaction with Other Features 28-9 SPAN and RSPAN and Switch Stacks 28-10 Configuring SPAN and ... 28-21 Creating an RSPAN Destination Session and Configuring Incoming Traffic 28-22 Specifying VLANs to Filter 28-24 Displaying SPAN and RSPAN Status 28-25 Configuring RMON 29-1 Understanding RMON 29-1 Configuring RMON 29-2 Default... Statistics on an Interface 29-5 Displaying RMON Status 29-6 xxiv Catalyst 3750 Switch Software Configuration Guide OL-8550-02
...28-4 Monitored Traffic 28-5 Source Ports 28-6 Source VLANs 28-7 VLAN Filtering 28-7 Destination Port 28-8 RSPAN VLAN 28-9 SPAN and RSPAN Interaction with Other Features 28-9 SPAN and RSPAN and Switch Stacks 28-10 Configuring SPAN and ... 28-21 Creating an RSPAN Destination Session and Configuring Incoming Traffic 28-22 Specifying VLANs to Filter 28-24 Displaying SPAN and RSPAN Status 28-25 Configuring RMON 29-1 Understanding RMON 29-1 Configuring RMON 29-2 Default... Statistics on an Interface 29-5 Displaying RMON Status 29-6 xxiv Catalyst 3750 Switch Software Configuration Guide OL-8550-02
Configuration Guide
Page 26
...E R Configuring Network Security with ACLs 32-1 Understanding ACLs 32-1 Supported ACLs 32-2 Port ACLs 32-3 Router ACLs 32-4 VLAN Maps 32-5 Handling Fragmented and Unfragmented Traffic 32-5 ACLs and Switch Stacks 32-6 Configuring IPv4 ACLs 32-7 Creating Standard and Extended IPv4 ACLs 32-7 Access... of IP ACLs 32-22 IPv4 ACL Configuration Examples 32-22 Numbered ACLs 32-24 Extended ACLs 32-24 Named ACLs 32-24 Time Range Applied to an IP ACL 32-25 Commented IP ACL Entries 32-...Denying Access to a Server on Another VLAN 32-35 xxvi Catalyst 3750 Switch Software Configuration Guide OL-8550-02
...E R Configuring Network Security with ACLs 32-1 Understanding ACLs 32-1 Supported ACLs 32-2 Port ACLs 32-3 Router ACLs 32-4 VLAN Maps 32-5 Handling Fragmented and Unfragmented Traffic 32-5 ACLs and Switch Stacks 32-6 Configuring IPv4 ACLs 32-7 Creating Standard and Extended IPv4 ACLs 32-7 Access... of IP ACLs 32-22 IPv4 ACL Configuration Examples 32-22 Numbered ACLs 32-24 Extended ACLs 32-24 Named ACLs 32-24 Time Range Applied to an IP ACL 32-25 Commented IP ACL Entries 32-...Denying Access to a Server on Another VLAN 32-35 xxvi Catalyst 3750 Switch Software Configuration Guide OL-8550-02
Configuration Guide
Page 38
... 43-24 Configuring Online Diagnostics 44-1 Understanding How Online Diagnostics Work 44-1 Scheduling Online Diagnostics 44-2 Configuring Health-Monitoring Diagnostics 44-2 Running Online Diagnostic Tests 44-3 Starting Online Diagnostic Tests 44-3 Displaying Online Diagnostic Tests and Test Results 44-4 Configuring the Catalyst 3750G Integrated Wireless LAN Controller Switch A-1 Understanding the Wireless LAN Controller Switch A-2 The Wireless LAN Controller Switch and Switch Stacks A-2 Controller and Switch Interaction A-3 Internal Ports A-3 Configuring the Wireless LAN Controller Switch...
... 43-24 Configuring Online Diagnostics 44-1 Understanding How Online Diagnostics Work 44-1 Scheduling Online Diagnostics 44-2 Configuring Health-Monitoring Diagnostics 44-2 Running Online Diagnostic Tests 44-3 Starting Online Diagnostic Tests 44-3 Displaying Online Diagnostic Tests and Test Results 44-4 Configuring the Catalyst 3750G Integrated Wireless LAN Controller Switch A-1 Understanding the Wireless LAN Controller Switch A-2 The Wireless LAN Controller Switch and Switch Stacks A-2 Controller and Switch Interaction A-3 Internal Ports A-3 Configuring the Wireless LAN Controller Switch...
Configuration Guide
Page 66
.... For more information, see Chapter 11, "Configuring Interface Characteristics." - For more information, see Chapter 25, "Configuring Port-Based Traffic Control." - For more information, see Chapter 12, "Configuring Smartports Macros." • VLANs - For more information, see ...VLANs. No IGMP filters are disabled. For more information, see Chapter 24, "Configuring IGMP Snooping and MVR." • Port-based traffic - For more information, see Chapter 25, "Configuring Port-Based Traffic Control." 1-14 Catalyst 3750 Switch Software Configuration Guide OL-8550-02
.... For more information, see Chapter 11, "Configuring Interface Characteristics." - For more information, see Chapter 25, "Configuring Port-Based Traffic Control." - For more information, see Chapter 12, "Configuring Smartports Macros." • VLANs - For more information, see ...VLANs. No IGMP filters are disabled. For more information, see Chapter 24, "Configuring IGMP Snooping and MVR." • Port-based traffic - For more information, see Chapter 25, "Configuring Port-Based Traffic Control." 1-14 Catalyst 3750 Switch Software Configuration Guide OL-8550-02
Configuration Guide
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... configuration to it to its running Cisco IOS Release 12.2(20)SE or later and does not contain a provisioned configuration for a 48-port switch with Power over Ethernet (PoE), the...Catalyst 3750 Switch Software Configuration Guide 5-9 For configuration information, see the "Provisioning a New Member for a Switch Stack" section on PoE-capable interfaces are the same as provisioned information. For example, suppose the switch stack is provisioned for a new switch, the switch joins the stack with the provisioned switch are rejected, even for ports 25 through 24. Result The switch...
... configuration to it to its running Cisco IOS Release 12.2(20)SE or later and does not contain a provisioned configuration for a 48-port switch with Power over Ethernet (PoE), the...Catalyst 3750 Switch Software Configuration Guide 5-9 For configuration information, see the "Provisioning a New Member for a Switch Stack" section on PoE-capable interfaces are the same as provisioned information. For example, suppose the switch stack is provisioned for a new switch, the switch joins the stack with the provisioned switch are rejected, even for ports 25 through 24. Result The switch...
Configuration Guide
Page 190
.... The forwarding behavior defines how a port that arrives on a VLAN where it is flooded to another port for them. When you configure a static MAC address in a private-VLAN primary or secondary VLAN, you specify. For more information about private VLANs, see Chapter 16, "Configuring Private VLANs." 7-24 Catalyst 3750 Switch Software Configuration Guide OL-8550...
.... The forwarding behavior defines how a port that arrives on a VLAN where it is flooded to another port for them. When you configure a static MAC address in a private-VLAN primary or secondary VLAN, you specify. For more information about private VLANs, see Chapter 16, "Configuring Private VLANs." 7-24 Catalyst 3750 Switch Software Configuration Guide OL-8550...
Configuration Guide
Page 306
...switch, see the release notes. This command binds the physical and logical ports together. For the latest information about XENPAK modules, see Chapter 34, "Configuring EtherChannels and Link-State Tracking." 10-Gigabit Ethernet Interfaces The Catalyst 3750G-16TD switch...Cisco pre-standard powered devices (such as Cisco IP Phones and Cisco Aironet access points) • IEEE 802.3af-compliant powered devices On a 24-port PoE switch, each 10/100 or 10/100/1000 PoE port provides up to a maximum switch power output of Catalyst 3750 switches can be configured as a switched port or a routed port...
...switch, see the release notes. This command binds the physical and logical ports together. For the latest information about XENPAK modules, see Chapter 34, "Configuring EtherChannels and Link-State Tracking." 10-Gigabit Ethernet Interfaces The Catalyst 3750G-16TD switch...Cisco pre-standard powered devices (such as Cisco IP Phones and Cisco Aironet access points) • IEEE 802.3af-compliant powered devices On a 24-port PoE switch, each 10/100 or 10/100/1000 PoE port provides up to a maximum switch power output of Catalyst 3750 switches can be configured as a switched port or a routed port...
Configuration Guide
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...Catalyst 3750 Switch Software Configuration Guide 11-19 Beginning with Cisco IOS Release 12.2(20)SE1, you can receive, but not send, pause frames. Configuring IEEE 802.3x Flow Control Flow control enables connected Ethernet ports to on a 10/100 Mbps port: Switch# configure terminal Switch(config)# interface fasttethernet1/0/3 Switch(config-if)# speed 10 Switch... speed to 10 Mbps and the duplex mode to half on , off . For interfaces gi0/23 and gi0/24, speed and duplex do not apply, as they are only internal server-facing interfaces. For more information about duplex settings, see...
...Catalyst 3750 Switch Software Configuration Guide 11-19 Beginning with Cisco IOS Release 12.2(20)SE1, you can receive, but not send, pause frames. Configuring IEEE 802.3x Flow Control Flow control enables connected Ethernet ports to on a 10/100 Mbps port: Switch# configure terminal Switch(config)# interface fasttethernet1/0/3 Switch(config-if)# speed 10 Switch... speed to 10 Mbps and the duplex mode to half on , off . For interfaces gi0/23 and gi0/24, speed and duplex do not apply, as they are only internal server-facing interfaces. For more information about duplex settings, see...
Configuration Guide
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...the power loss over Ethernet Ports" section on a 24-port or 48-port switch is reclaimed into the global power budget for use it uses the IEEE class information to the powered-device IEEE classification. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 11-23 ...Characteristics Configuring Ethernet Interfaces Budgeting Power for Devices Connected to a PoE Port When Cisco powered devices are connected to PoE ports, the switch uses Cisco Discovery Protocol (CDP) to 48 devices. If your switch power budget and make certain not to documentation. Configure the power consumption...
...the power loss over Ethernet Ports" section on a 24-port or 48-port switch is reclaimed into the global power budget for use it uses the IEEE class information to the powered-device IEEE classification. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 11-23 ...Characteristics Configuring Ethernet Interfaces Budgeting Power for Devices Connected to a PoE Port When Cisco powered devices are connected to PoE ports, the switch uses Cisco Discovery Protocol (CDP) to 48 devices. If your switch power budget and make certain not to documentation. Configure the power consumption...
Configuration Guide
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... snooping vlan vlan-id immediate-leave end Purpose Enter global configuration mode. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 24-11 Chapter 24 Configuring IGMP Snooping and MVR Configuring IGMP Snooping Configuring a Host Statically to Join a Group Hosts or Layer 2 ports normally join multicast groups dynamically, but you enable IGMP Immediate Leave, the...
... snooping vlan vlan-id immediate-leave end Purpose Enter global configuration mode. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 24-11 Chapter 24 Configuring IGMP Snooping and MVR Configuring IGMP Snooping Configuring a Host Statically to Join a Group Hosts or Layer 2 ports normally join multicast groups dynamically, but you enable IGMP Immediate Leave, the...
Configuration Guide
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... from an interface, use it on routed ports or SVIs. The default is to have no maximum set the maximum back to the default, which is 0 to privileged EXEC mode. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 24-27 Verify the configuration. (Optional) Save your...does not belong to an EtherChannel port group. The interface can join. Return to 4294967294. Chapter 24 Configuring IGMP Snooping and MVR Configuring IGMP Filtering and Throttling Beginning in privileged EXEC mode, follow these steps to apply an IGMP profile to a switch port: Step 1 Step 2 Command ...
... from an interface, use it on routed ports or SVIs. The default is to have no maximum set the maximum back to the default, which is 0 to privileged EXEC mode. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 24-27 Verify the configuration. (Optional) Save your...does not belong to an EtherChannel port group. The interface can join. Return to 4294967294. Chapter 24 Configuring IGMP Snooping and MVR Configuring IGMP Filtering and Throttling Beginning in privileged EXEC mode, follow these steps to apply an IGMP profile to a switch port: Step 1 Step 2 Command ...
Configuration Guide
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... want IP hosts to be able to form TCP connections to the mail (SMTP) port of a network 36.0.0.0 address specify a particular host. The same port numbers are separately controlled. The established keyword is a Class A network whose second octet specifies a subnet; ...port 25 on one address on subnet 48 and reject all other end. Switch(config)# ip access-list standard Internet_filter Switch(config-ext-nacl)# permit 1.2.3.4 Switch(config-ext-nacl)# exit 32-24 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 Switch(config)# access-list 2 permit 36.48.0.3 Switch...
... want IP hosts to be able to form TCP connections to the mail (SMTP) port of a network 36.0.0.0 address specify a particular host. The same port numbers are separately controlled. The established keyword is a Class A network whose second octet specifies a subnet; ...port 25 on one address on subnet 48 and reject all other end. Switch(config)# ip access-list standard Internet_filter Switch(config-ext-nacl)# permit 1.2.3.4 Switch(config-ext-nacl)# exit 32-24 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 Switch(config)# access-list 2 permit 36.48.0.3 Switch...
Configuration Guide
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... 60 20 If you entered the auto qos voip cisco-phone command, the switch automatically enables the trusted boundary feature, which uses the CDP to the port. Switch(config-if)# mls qos trust cos Switch(config-if)# mls qos trust dscp If you entered... a Cisco IP Phone. Configuring Auto-QoS Chapter 33 Configuring QoS Table 33-5 Generated Auto-QoS Configuration (continued) Description Automatically Generated Command The switch automatically configures the egress queue buffer sizes. Switch(config-if)# mls qos trust device cisco-phone 33-24 Catalyst 3750 Switch Software Configuration...
... 60 20 If you entered the auto qos voip cisco-phone command, the switch automatically enables the trusted boundary feature, which uses the CDP to the port. Switch(config-if)# mls qos trust cos Switch(config-if)# mls qos trust dscp If you entered... a Cisco IP Phone. Configuring Auto-QoS Chapter 33 Configuring QoS Table 33-5 Generated Auto-QoS Configuration (continued) Description Automatically Generated Command The switch automatically configures the egress queue buffer sizes. Switch(config-if)# mls qos trust device cisco-phone 33-24 Catalyst 3750 Switch Software Configuration...
Configuration Guide
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...10.0.0/16 198.14.32.0/32 204.1.16.0/24 Port Gigabit Ethernet 1/0/1 Gigabit Ethernet 1/0/3 Gigabit Ethernet 1/0/4 PIM uses both source trees and RP-rooted shared trees to and receive from a DVMRP neighbor. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 40-7 It is known... can forward multicast packets to forward datagrams (described in other intradomain multicast networks. Chapter 40 Configuring IP Multicast Routing Understanding Cisco's Implementation of IP Multicast Routing Figure 40-2 RPF Check Multicast packet from source 151.10.3.21 is discarded. Multicast packet...
...10.0.0/16 198.14.32.0/32 204.1.16.0/24 Port Gigabit Ethernet 1/0/1 Gigabit Ethernet 1/0/3 Gigabit Ethernet 1/0/4 PIM uses both source trees and RP-rooted shared trees to and receive from a DVMRP neighbor. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 40-7 It is known... can forward multicast packets to forward datagrams (described in other intradomain multicast networks. Chapter 40 Configuring IP Multicast Routing Understanding Cisco's Implementation of IP Multicast Routing Figure 40-2 RPF Check Multicast packet from source 151.10.3.21 is discarded. Multicast packet...