Software Guide
Page 5
... E R 8 C H A P T E R 78-13315-02 ISL Trunk Configuration Example 9 ISL Trunk Over EtherChannel Link Example 10 802.1Q Trunk Over EtherChannel Link Example 13 Load-Sharing VLAN Traffic Over Parallel Trunks Example 16 Disabling VLAN 1 on Trunks 23 Disabling ... Guidelines 4 Configuring EtherChannel 5 Configuring an EtherChannel 5 Setting the EtherChannel Port Mode 5 Setting the EtherChannel Port Path Cost 6 Setting the EtherChannel VLAN Cost 6 Configuring EtherChannel Frame Distribution 8 Displaying EtherChannel Traffic Utilization 8 Displaying Outgoing Ports for a Specified Address or Layer ...
... E R 8 C H A P T E R 78-13315-02 ISL Trunk Configuration Example 9 ISL Trunk Over EtherChannel Link Example 10 802.1Q Trunk Over EtherChannel Link Example 13 Load-Sharing VLAN Traffic Over Parallel Trunks Example 16 Disabling VLAN 1 on Trunks 23 Disabling ... Guidelines 4 Configuring EtherChannel 5 Configuring an EtherChannel 5 Setting the EtherChannel Port Mode 5 Setting the EtherChannel Port Path Cost 6 Setting the EtherChannel VLAN Cost 6 Configuring EtherChannel Frame Distribution 8 Displaying EtherChannel Traffic Utilization 8 Displaying Outgoing Ports for a Specified Address or Layer ...
Software Guide
Page 6
Contents Calculating and Assigning Port Costs 4 Spanning Tree Port States 5 Understanding PVST+ and MISTP Modes 11 PVST+ Mode 12 MISTP Mode 12 MISTP-PVST+ Mode 13 Bridge Identifiers 13 MAC Address ...+ 15 Default PVST+ Configuration 15 Setting the PVST+ Bridge ID Priority 16 Configuring the PVST+ Port Cost 17 Configuring the PVST+ Port Priority 18 Configuring the PVST+ Default Port Cost Mode 18 Configuring the PVST+ Port Cost for a VLAN 19 Configuring the PVST+ Port Priority for a VLAN 20 Disabling the PVST+ Mode on...
Contents Calculating and Assigning Port Costs 4 Spanning Tree Port States 5 Understanding PVST+ and MISTP Modes 11 PVST+ Mode 12 MISTP Mode 12 MISTP-PVST+ Mode 13 Bridge Identifiers 13 MAC Address ...+ 15 Default PVST+ Configuration 15 Setting the PVST+ Bridge ID Priority 16 Configuring the PVST+ Port Cost 17 Configuring the PVST+ Port Priority 18 Configuring the PVST+ Default Port Cost Mode 18 Configuring the PVST+ Port Cost for a VLAN 19 Configuring the PVST+ Port Priority for a VLAN 20 Disabling the PVST+ Mode on...
Software Guide
Page 33
... recommend that you have available your service agreement number and your country, go to this URL: http://www.cisco.com/en/US/support/index.html If you can use the Cisco TAC website to online tools, knowledge bases, and software. The site provides around-the-clock access to resolve... P3 and P4 issues yourself, saving both cost and time. To obtain a directory of toll-free Cisco TAC telephone numbers for ...
... recommend that you have available your service agreement number and your country, go to this URL: http://www.cisco.com/en/US/support/index.html If you can use the Cisco TAC website to online tools, knowledge bases, and software. The site provides around-the-clock access to resolve... P3 and P4 issues yourself, saving both cost and time. To obtain a directory of toll-free Cisco TAC telephone numbers for ...
Software Guide
Page 61
...the Ethernet, Fast Ethernet, and Gigabit Ethernet default configuration. transmit (Tx) not supported Spanning Tree Protocol (STP) Enabled for VLAN 1 Native VLAN VLAN 1 Port VLAN cost • Port VLAN cost of 100 for 10-Mbps Ethernet ports • Port VLAN cost of 19 for 10/100-Mbps Fast Ethernet ports ...8226; Port VLAN cost of 19 for 100-Mbps Fast Ethernet ports • Port VLAN...
...the Ethernet, Fast Ethernet, and Gigabit Ethernet default configuration. transmit (Tx) not supported Spanning Tree Protocol (STP) Enabled for VLAN 1 Native VLAN VLAN 1 Port VLAN cost • Port VLAN cost of 100 for 10-Mbps Ethernet ports • Port VLAN cost of 19 for 10/100-Mbps Fast Ethernet ports ...8226; Port VLAN cost of 19 for 100-Mbps Fast Ethernet ports • Port VLAN...
Software Guide
Page 91
...no traffic passes over Trunk 2 because port 1/2 on Switch 1 by entering the show spantree 1/2 Port Vlan Port-State Cost 1/2 1 blocking 19 1/2 10 blocking 19 1/2 20 blocking 19 1/2 30 blocking 19 1/2 40 blocking 19 1/2 50 blocking 19 1/2 60 blocking 19 ... ---------- On Switch 2, both trunks are forwarding for all VLANs. Switch_1> (enable) show spantree 1/1 Port Vlan Port-State Cost 1/1 1 forwarding 19 1/1 10 forwarding 19 1/1 20 forwarding 19 1/1 30 forwarding 19 1/1 40 forwarding 19 1/1 50 forwarding 19 1/1 60 forwarding 19 ...
...no traffic passes over Trunk 2 because port 1/2 on Switch 1 by entering the show spantree 1/2 Port Vlan Port-State Cost 1/2 1 blocking 19 1/2 10 blocking 19 1/2 20 blocking 19 1/2 30 blocking 19 1/2 40 blocking 19 1/2 50 blocking 19 1/2 60 blocking 19 ... ---------- On Switch 2, both trunks are forwarding for all VLANs. Switch_1> (enable) show spantree 1/1 Port Vlan Port-State Cost 1/1 1 forwarding 19 1/1 10 forwarding 19 1/1 20 forwarding 19 1/1 30 forwarding 19 1/1 40 forwarding 19 1/1 50 forwarding 19 1/1 60 forwarding 19 ...
Software Guide
Page 93
...-Releases 6.3 and 6.4 5-21 Port 1/2 vlans 1005 using portpri 4. Switch_1> (enable) show spantree 1/1 Port Vlan Port-State Cost 1/1 1 forwarding 19 1/1 10 forwarding 19 1/1 20 forwarding 19 1/1 30 forwarding 19 1/1 40 blocking 19 1/1 50 blocking 19 1/1 60 blocking 19 1/1 ...the same value you configured for those VLANs on Switch 1 by entering the show spantree 1/2 Port Vlan Port-State Cost 1/2 1 blocking 19 1/2 10 blocking 19 1/2 20 blocking 19 1/2 30 blocking 19 1/2 40 forwarding 19 1/2 50 forwarding 19 1/2 60 forwarding...
...-Releases 6.3 and 6.4 5-21 Port 1/2 vlans 1005 using portpri 4. Switch_1> (enable) show spantree 1/1 Port Vlan Port-State Cost 1/1 1 forwarding 19 1/1 10 forwarding 19 1/1 20 forwarding 19 1/1 30 forwarding 19 1/1 40 blocking 19 1/1 50 blocking 19 1/1 60 blocking 19 1/1 ...the same value you configured for those VLANs on Switch 1 by entering the show spantree 1/2 Port Vlan Port-State Cost 1/2 1 blocking 19 1/2 10 blocking 19 1/2 20 blocking 19 1/2 30 blocking 19 1/2 40 forwarding 19 1/2 50 forwarding 19 1/2 60 forwarding...
Software Guide
Page 94
...has become non-trunk Switch_1> (enable) show spantree 1/1 Port Vlan Port-State Cost 1/1 1 not-connected 19 Switch_1> (enable) show spantree 1/2 Port Vlan Port-State Cost 1/2 1 learning 19 1/2 10 learning 19 1/2 20 learning 19 1/2 30 learning 19 1/2 40 forwarding 19...19 1/2 1003 not-connected 19 1/2 1005 not-connected 19 Switch_1> (enable) show spantree 1/2 Port Vlan Port-State Cost 1/2 1 forwarding 19 1/2 10 forwarding 19 1/2 20 forwarding 19 1/2 30 forwarding 19 1/2 40 forwarding 19 1/2 50 forwarding 19 1/2 60 forwarding 19...
...has become non-trunk Switch_1> (enable) show spantree 1/1 Port Vlan Port-State Cost 1/1 1 not-connected 19 Switch_1> (enable) show spantree 1/2 Port Vlan Port-State Cost 1/2 1 learning 19 1/2 10 learning 19 1/2 20 learning 19 1/2 30 learning 19 1/2 40 forwarding 19...19 1/2 1003 not-connected 19 1/2 1005 not-connected 19 Switch_1> (enable) show spantree 1/2 Port Vlan Port-State Cost 1/2 1 forwarding 19 1/2 10 forwarding 19 1/2 20 forwarding 19 1/2 30 forwarding 19 1/2 40 forwarding 19 1/2 50 forwarding 19 1/2 60 forwarding 19...
Software Guide
Page 100
... desirable mode with the set spantree portcost command, can use MAC addresses, IP addresses, and Layer 4 port numbers. Setting different port path costs does not, by the set port channel command. • Ports with ports where the port security feature is going to a single MAC ...for frame distribution may provide better frame distribution than selecting MAC addresses as an individual port. Note To configure the EtherChannel across different modules, you must put the ports in the same administrative group using source addresses or IP addresses or Layer 4 port numbers as the...
... desirable mode with the set spantree portcost command, can use MAC addresses, IP addresses, and Layer 4 port numbers. Setting different port path costs does not, by the set port channel command. • Ports with ports where the port security feature is going to a single MAC ...for frame distribution may provide better frame distribution than selecting MAC addresses as an individual port. Note To configure the EtherChannel across different modules, you must put the ports in the same administrative group using source addresses or IP addresses or Layer 4 port numbers as the...
Software Guide
Page 101
... how to configure EtherChannel: • Configuring an EtherChannel, page 6-5 • Setting the EtherChannel Port Mode, page 6-5 • Setting the EtherChannel Port Path Cost, page 6-6 • Setting the EtherChannel VLAN Cost, page 6-6 • Configuring EtherChannel Frame Distribution, page 6-8 • Displaying EtherChannel Traffic Utilization, page 6-8 • Displaying Outgoing Ports for a Specified Address or Layer...
... how to configure EtherChannel: • Configuring an EtherChannel, page 6-5 • Setting the EtherChannel Port Mode, page 6-5 • Setting the EtherChannel Port Path Cost, page 6-6 • Setting the EtherChannel VLAN Cost, page 6-6 • Configuring EtherChannel Frame Distribution, page 6-8 • Displaying EtherChannel Traffic Utilization, page 6-8 • Displaying Outgoing Ports for a Specified Address or Layer...
Software Guide
Page 102
... command provides an alternate cost for some VLANs in the channel can have the "vlancost" while the remaining VLANs in Chapter 8, "Configuring Spanning Tree," for information on 768 Admin Port Device-ID Port-ID Platform group 20 1/1 20 1/2 066510644(cat26-lnf(NET25)) 2/1 WS-C6009 Console> (enable)... Console> (enable) set channel cost command, it does not appear in the configuration file. Note When you to have the...
... command provides an alternate cost for some VLANs in the channel can have the "vlancost" while the remaining VLANs in Chapter 8, "Configuring Spanning Tree," for information on 768 Admin Port Device-ID Port-ID Platform group 20 1/1 20 1/2 066510644(cat26-lnf(NET25)) 2/1 WS-C6009 Console> (enable)... Console> (enable) set channel cost command, it does not appear in the configuration file. Note When you to have the...
Software Guide
Page 103
... Console> (enable) set channel vlancost 856 10 Port(s) 3/47-48 vlan cost are updated to 16. Configure the port cost for the desired VLANs on 856 Admin Port Device-ID Port-ID Platform group 22 1/1 22 1/2 066510644(cat26-lnf(NET25)) 2/1 WS-C6009 Console> (enable) Console> (enable)... set channel vlancost 856 10 Port(s) 3/47-48 vlan cost are updated to 16. Console> (enable) set spantree portvlancost 3/47 cost 16 1-1005 Port 3/47 VLANs 1025-4094 have entered the set...
... Console> (enable) set channel vlancost 856 10 Port(s) 3/47-48 vlan cost are updated to 16. Configure the port cost for the desired VLANs on 856 Admin Port Device-ID Port-ID Platform group 22 1/1 22 1/2 066510644(cat26-lnf(NET25)) 2/1 WS-C6009 Console> (enable) Console> (enable)... set channel vlancost 856 10 Port(s) 3/47-48 vlan cost are updated to 16. Console> (enable) set spantree portvlancost 3/47 cost 16 1-1005 Port 3/47 VLANs 1025-4094 have entered the set...
Software Guide
Page 114
...How a Switch Becomes the Root Switch, page 8-3 • Understanding How Bridge Protocol Data Units Work, page 8-3 • Calculating and Assigning Port Costs, page 8-4 • Spanning Tree Port States, page 8-5 Understanding How a Topology is Created All switches in an extended LAN participating in a spanning... port in the network send and receive spanning tree packets that selects one network segment becomes unreachable, or if spanning tree costs change, the spanning tree algorithm reconfigures the spanning tree topology and reestablishes the link by the following actions: • A...
...How a Switch Becomes the Root Switch, page 8-3 • Understanding How Bridge Protocol Data Units Work, page 8-3 • Calculating and Assigning Port Costs, page 8-4 • Spanning Tree Port States, page 8-5 Understanding How a Topology is Created All switches in an extended LAN participating in a spanning... port in the network send and receive spanning tree packets that selects one network segment becomes unreachable, or if spanning tree costs change, the spanning tree algorithm reconfigures the spanning tree topology and reestablishes the link by the following actions: • A...
Software Guide
Page 115
...patterns, number of the UTP port. For example, assume that the transmitting switch believes to be the root switch • The cost of the transmitting port 78-13315-02 Catalyst 6000 Family Software Configuration Guide-Releases 6.3 and 6.4 8-3 You could also accomplish this information... configuration information about the transmitting switch and its ports, including switch and port MAC addresses, switch priority, port priority, and port cost. Chapter 8 Configuring Spanning Tree Understanding How Spanning Tree Protocols Work In a switched network, the root switch is the root port....
...patterns, number of the UTP port. For example, assume that the transmitting switch believes to be the root switch • The cost of the transmitting port 78-13315-02 Catalyst 6000 Family Software Configuration Guide-Releases 6.3 and 6.4 8-3 You could also accomplish this information... configuration information about the transmitting switch and its ports, including switch and port MAC addresses, switch priority, port priority, and port cost. Chapter 8 Configuring Spanning Tree Understanding How Spanning Tree Protocols Work In a switched network, the root switch is the root port....
Software Guide
Page 116
...of 1 to the destination address field. Table 8-1 Default Port Cost Values Using the Short Method Port Speed 10 Mbps 100 Mbps 1 Gbps Default Cost Value 100 19 4 Default Range 1 to 65535 1 to 65535 1 to calculate the port cost. All switches connected to calculate a BPDU, and if the ...topology changes, initiates a BPDU transmission. BPDUs are available for port cost. A BPDU exchange results...
...of 1 to the destination address field. Table 8-1 Default Port Cost Values Using the Short Method Port Speed 10 Mbps 100 Mbps 1 Gbps Default Cost Value 100 19 4 Default Range 1 to 65535 1 to 65535 1 to calculate the port cost. All switches connected to calculate a BPDU, and if the ...topology changes, initiates a BPDU transmission. BPDUs are available for port cost. A BPDU exchange results...
Software Guide
Page 117
...topology which were lost as a stand alone port. When a switch port transitions directly from a 10-Gbps aggregate link). Also, they can take place in changes to the cost of the port concerned. Learning the entries immediately following a topology change . This feature works ...STP Topology Change Notification feature ensures that is received. Table 8-2 Default Port Cost Values Using the Long Method Port Speed ≤100 kbps 1 Mbps 10 Mbps 100 Mbps 1 Gbps 10 Gbps Recommended Value 200000000 20000000 2000000 200000 20000 2000 Recommended Range 20000000 to ...
...topology which were lost as a stand alone port. When a switch port transitions directly from a 10-Gbps aggregate link). Also, they can take place in changes to the cost of the port concerned. Learning the entries immediately following a topology change . This feature works ...STP Topology Change Notification feature ensures that is received. Table 8-2 Default Port Cost Values Using the Long Method Port Speed ≤100 kbps 1 Mbps 10 Mbps 100 Mbps 1 Gbps 10 Gbps Recommended Value 200000000 20000000 2000000 200000 20000 2000 Recommended Range 20000000 to ...
Software Guide
Page 127
... priority 32768 Bridge ID priority 32769 (bridge priority plus system ID extension of VLAN 1) Port priority 32 Port cost • Gigabit Ethernet: 4 • Fast Ethernet: 191 • FDDI/CDDI: 10 • Ethernet: 1002 Default spantree port cost mode Short (802.1D) Port VLAN priority Same as port priority but configurable on a per -VLAN basis...
... priority 32768 Bridge ID priority 32769 (bridge priority plus system ID extension of VLAN 1) Port priority 32 Port cost • Gigabit Ethernet: 4 • Fast Ethernet: 191 • FDDI/CDDI: 10 • Ethernet: 1002 Default spantree port cost mode Short (802.1D) Port VLAN priority Same as port priority but configurable on a per -VLAN basis...
Software Guide
Page 128
... ieee Spanning tree enabled Designated Root 00-60-70-4c-70-00 Designated Root Priority 16384 Designated Root Cost 19 Designated Root Port 2/3 Root Max Age 14 sec Hello Time 2 sec Forward Delay 10 sec Bridge ID MAC ADDR Bridge ID Priority Bridge Max Age 20 sec 00-d0-00-4c-18...-00 30000 Hello Time 2 sec Forward Delay 15 sec Port Vlan Port-State Cost Prio Portfast Channel_id 1/1 1 not-connected 4 32 disabled 0 1/2 1 not-connected...
... ieee Spanning tree enabled Designated Root 00-60-70-4c-70-00 Designated Root Priority 16384 Designated Root Cost 19 Designated Root Port 2/3 Root Max Age 14 sec Hello Time 2 sec Forward Delay 10 sec Bridge ID MAC ADDR Bridge ID Priority Bridge Max Age 20 sec 00-d0-00-4c-18...-00 30000 Hello Time 2 sec Forward Delay 15 sec Port Vlan Port-State Cost Prio Portfast Channel_id 1/1 1 not-connected 4 32 disabled 0 1/2 1 not-connected...
Software Guide
Page 129
... Spanning Tree Using PVST+ Designated Root 00-60-70-4c-70-00 Designated Root Priority 16384 Designated Root Cost 19 Designated Root Port 2/3 Root Max Age 14 sec Hello Time 2 sec Forward Delay 10 sec Bridge ID MAC ADDR Bridge ID Priority Bridge Max Age 20 sec 00-d0-00-4c-18...-00 32769 (bridge priority: 32768, sys ID ext: 1) Hello Time 2 sec Forward Delay 15 sec Port Vlan Port-State Cost Prio Portfast Channel_id 1/1 1 not-connected 4 32...
... Spanning Tree Using PVST+ Designated Root 00-60-70-4c-70-00 Designated Root Priority 16384 Designated Root Cost 19 Designated Root Port 2/3 Root Max Age 14 sec Hello Time 2 sec Forward Delay 10 sec Bridge ID MAC ADDR Bridge ID Priority Bridge Max Age 20 sec 00-d0-00-4c-18...-00 32769 (bridge priority: 32768, sys ID ext: 1) Hello Time 2 sec Forward Delay 15 sec Port Vlan Port-State Cost Prio Portfast Channel_id 1/1 1 not-connected 4 32...
Software Guide
Page 130
...incremented by 10,000,000 8-18 Catalyst 6000 Family Software Configuration Guide-Releases 6.3 and 6.4 78-13315-02 When uplinkfast is enabled, the actual cost is using a port speed of switch ports in PVST+ mode. Portvlancost (trunk ports only) - Port Vlan Port-State Cost Prio ... 1 not-connected 100 32 disabled 0 2/3 1 forwarding 19 16 disabled 0 2/4 1 not-connected 100 32 disabled 0 Configuring the PVST+ Default Port Cost Mode If any switch in your network is incremented by 3000 • The long mode has these parameters: - Portvlancost (trunk ports only) - If all...
...incremented by 10,000,000 8-18 Catalyst 6000 Family Software Configuration Guide-Releases 6.3 and 6.4 78-13315-02 When uplinkfast is enabled, the actual cost is using a port speed of switch ports in PVST+ mode. Portvlancost (trunk ports only) - Port Vlan Port-State Cost Prio ... 1 not-connected 100 32 disabled 0 2/3 1 forwarding 19 16 disabled 0 2/4 1 not-connected 100 32 disabled 0 Configuring the PVST+ Default Port Cost Mode If any switch in your network is incremented by 3000 • The long mode has these parameters: - Portvlancost (trunk ports only) - If all...
Software Guide
Page 131
... using the set spantree portcost" entry to trunking ports only. The default cost differs for a VLAN on page 8-4. This parameter applies to be created for a VLAN You can configure the port cost of 10 Gb and greater, the default port cost mode must be chosen to configure the PVST+ port VLAN... cost on using the long method. The ports with lower port costs are attached to short in privileged mode: Task Configure the ...
... using the set spantree portcost" entry to trunking ports only. The default cost differs for a VLAN on page 8-4. This parameter applies to be created for a VLAN You can configure the port cost of 10 Gb and greater, the default port cost mode must be chosen to configure the PVST+ port VLAN... cost on using the long method. The ports with lower port costs are attached to short in privileged mode: Task Configure the ...