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...EtherChannel Protocol 6-18 Specifying the System Priority 6-19 Specifying the Port Priority 6-19 Specifying an Administrative Key Value 6-19 Changing the Channel Mode 6-20 Specifying the Channel Path Cost 6-21 Specifying the Channel VLAN Cost 6-21 Clearing LACP Statistics 6-21 Displaying EtherChannel Traffic Utilization 6-21 Disabling an ... 7-14 Rapid Spanning Tree Protocol 7-16 MST-to-SST Interoperability 7-17 Common Spanning Tree 7-18 MST Instances 7-18 MST Configuration 7-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 vi 78-15486-01
...EtherChannel Protocol 6-18 Specifying the System Priority 6-19 Specifying the Port Priority 6-19 Specifying an Administrative Key Value 6-19 Changing the Channel Mode 6-20 Specifying the Channel Path Cost 6-21 Specifying the Channel VLAN Cost 6-21 Clearing LACP Statistics 6-21 Displaying EtherChannel Traffic Utilization 6-21 Disabling an ... 7-14 Rapid Spanning Tree Protocol 7-16 MST-to-SST Interoperability 7-17 Common Spanning Tree 7-18 MST Instances 7-18 MST Configuration 7-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 vi 78-15486-01
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...15-18 IGMP Multicast Filter Activation 15-19 Configuring Port IP Multicast Filtering 15-20 Configuring Port Security 16-1 Understanding How Port Security Works 16-1 Allowing Traffic Based ...on Secure Ports 16-3 Port Security Configuration Guidelines 16-3 Configuring Port Security on the Switch 16-3 Enabling Port Security 16-3 Setting the Maximum Number of Secure MAC Addresses 16-4... 17-1 Configuration Guidelines for Unicast Flood Blocking 17-2 Configuring Unicast Flood Blocking on the Switch 17-2 Enabling Unicast Flood Blocking 17-2 Disabling Unicast Flood Blocking 17-3 Displaying Unicast Flood...
...15-18 IGMP Multicast Filter Activation 15-19 Configuring Port IP Multicast Filtering 15-20 Configuring Port Security 16-1 Understanding How Port Security Works 16-1 Allowing Traffic Based ...on Secure Ports 16-3 Port Security Configuration Guidelines 16-3 Configuring Port Security on the Switch 16-3 Enabling Port Security 16-3 Setting the Maximum Number of Secure MAC Addresses 16-4... 17-1 Configuration Guidelines for Unicast Flood Blocking 17-2 Configuring Unicast Flood Blocking on the Switch 17-2 Enabling Unicast Flood Blocking 17-2 Disabling Unicast Flood Blocking 17-3 Displaying Unicast Flood...
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... Identifying a Layer 2 Path 20-11 Using IP Traceroute 20-12 Understanding How IP Traceroute Works 20-12 Executing IP Traceroute 20-12 Configuring CDP 21-1 Understanding How CDP Works 21-1 Default CDP Configuration 21-2 Configuring CDP on the Switch 21-2 Setting the CDP Global Enable State 21-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release...
... Identifying a Layer 2 Path 20-11 Using IP Traceroute 20-12 Understanding How IP Traceroute Works 20-12 Executing IP Traceroute 20-12 Configuring CDP 21-1 Understanding How CDP Works 21-1 Default CDP Configuration 21-2 Configuring CDP on the Switch 21-2 Setting the CDP Global Enable State 21-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release...
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... Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Organization Preface Chapter Chapter 9 Chapter 10 Chapter 11 Chapter 12 Chapter 13 Chapter 14 Chapter 15 Chapter 16 Chapter 17 Chapter 18 Chapter 19 Chapter 20 ... (GVRP) on the switch. Configuring GVRP Describes how to configure VLANs and private VLANs on the switch. Configuring Multicast Services Describes how to configure Cisco Discovery Protocol (CDP) on the switch. Configuring CDP Describes how to configure Cisco Group Management Protocol (CGMP...
... Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Organization Preface Chapter Chapter 9 Chapter 10 Chapter 11 Chapter 12 Chapter 13 Chapter 14 Chapter 15 Chapter 16 Chapter 17 Chapter 18 Chapter 19 Chapter 20 ... (GVRP) on the switch. Configuring GVRP Describes how to configure VLANs and private VLANs on the switch. Configuring Multicast Services Describes how to configure Cisco Discovery Protocol (CDP) on the switch. Configuring CDP Describes how to configure Cisco Group Management Protocol (CGMP...
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...remote host using Telnet, see Chapter 30, "Configuring Switch Access Using AAA." 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-3 Switch CLI Command Modes The switch CLI supports two modes of the switch. (You must first set the IP address (...Using the appropriate application or command on page 20-6. Escape character is on DNS, see Chapter 3, "Configuring the Switch IP Address and Default Gateway." Cisco Systems Console Enter password: After you successfully connect to the switch using the IP address or the DNS ...
...remote host using Telnet, see Chapter 30, "Configuring Switch Access Using AAA." 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-3 Switch CLI Command Modes The switch CLI supports two modes of the switch. (You must first set the IP address (...Using the appropriate application or command on page 20-6. Escape character is on DNS, see Chapter 3, "Configuring the Switch IP Address and Default Gateway." Cisco Systems Console Enter password: After you successfully connect to the switch using the IP address or the DNS ...
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...Return to the number of the command beginning with string aaa. !?aaa Repeats the command containing the string aaa. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-6 78-15486-01 History substitution allows you enter co and press the Tab key, ...keyword to execute the command. History Substitution Chapter 2 Using the Command-Line Interface History Substitution The history buffer stores the last 20 commands that you enter a unique partial character string and press Tab, the system completes the command or keyword on the command ...
...Return to the number of the command beginning with string aaa. !?aaa Repeats the command containing the string aaa. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-6 78-15486-01 History substitution allows you enter co and press the Tab key, ...keyword to execute the command. History Substitution Chapter 2 Using the Command-Line Interface History Substitution The history buffer stores the last 20 commands that you enter a unique partial character string and press Tab, the system completes the command or keyword on the command ...
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... -self-test for Module 2: WS-X4148 Port status: (. = Pass, F = Fail) 1: . 2: . 3: . 4: . 5: . 6: . 7: . 9: . 10: . 11: . 12: . 13: . 14: . 15: . 17: . 18: . 19: . 20: . 21: . 22: . 23: . 25: . 26: . 27: . 28: . 29: . 30: . 31: . 33: . 34: . 35: . 36: . 37: . 38: . 39: . 8: . 16: . 24: . 32: . 40: . 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-9
... -self-test for Module 2: WS-X4148 Port status: (. = Pass, F = Fail) 1: . 2: . 3: . 4: . 5: . 6: . 7: . 9: . 10: . 11: . 12: . 13: . 14: . 15: . 17: . 18: . 19: . 20: . 21: . 22: . 23: . 25: . 26: . 27: . 28: . 29: . 30: . 31: . 33: . 34: . 35: . 36: . 37: . 38: . 39: . 8: . 16: . 24: . 32: . 40: . 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-9
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... manage the switch, you can specify the subnet mask (netmask) using the number of set interface sc0 [ip_addr[/netmask] [broadcast]] subnet bits), and (optional) broadcast address to the in -band (sc0) interface: Console> (enable) set interface sc0 172.20.52.124...sc0 5 Interface sc0 vlan set interface sc0 up . Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-5 Chapter 3 Configuring the Switch IP Address and Default Gateway Default IP Address and Default Gateway Configuration Default IP Address and ...
... manage the switch, you can specify the subnet mask (netmask) using the number of set interface sc0 [ip_addr[/netmask] [broadcast]] subnet bits), and (optional) broadcast address to the in -band (sc0) interface: Console> (enable) set interface sc0 172.20.52.124...sc0 5 Interface sc0 vlan set interface sc0 up . Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-5 Chapter 3 Configuring the Switch IP Address and Default Gateway Default IP Address and Default Gateway Configuration Default IP Address and ...
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...to verify the interface configuration: Console> (enable) set interface me1 172.20.52.12/255.255.255.224 Interface me1 IP address and netmask set. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-6 78-15486-01 Setting the Management ...Ethernet (me1) Interface IP Address Chapter 3 Configuring the Switch IP Address and Default Gateway This example shows...
...to verify the interface configuration: Console> (enable) set interface me1 172.20.52.12/255.255.255.224 Interface me1 IP address and netmask set. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-6 78-15486-01 Setting the Management ...Ethernet (me1) Interface IP Address Chapter 3 Configuring the Switch IP Address and Default Gateway This example shows...
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...For information on configuring static routes, see the "Configuring Static Routes" section on the switch and how to verify the default gateway configuration: Console> (enable) set ip route default 10.1.1.20 Route added. If more default gateways, perform this task in addition to default gateways. ...can define up or down. sc0 sc0 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-7 Console> (enable) set ip route default 10.1.1.10 Route added. The switch sends all default gateways and static routes. Clear all off...
...For information on configuring static routes, see the "Configuring Static Routes" section on the switch and how to verify the default gateway configuration: Console> (enable) set ip route default 10.1.1.20 Route added. If more default gateways, perform this task in addition to default gateways. ...can define up or down. sc0 sc0 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-7 Console> (enable) set ip route default 10.1.1.10 Route added. The switch sends all default gateways and static routes. Clear all off...
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...slip attach Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-8 78-15486-01 Console> (enable) show interface sl0: flags=50 slip 0.0.0.0 dest 0.0.0.0 sc0: flags=63 vlan 5 inet 172.20.52.38 netmask 255.255.255.240 broadcast 172.20.52.47...) This example shows how to configure two default gateways on the switch. Caution You must use the console port for the console port. Enter privileged mode on a Catalyst 4500 series, Catalyst 2948G, or Catalyst 2980G switch, with Telnet. Enable SLIP for the SLIP connection. Command telnet ...
...slip attach Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-8 78-15486-01 Console> (enable) show interface sl0: flags=50 slip 0.0.0.0 dest 0.0.0.0 sc0: flags=63 vlan 5 inet 172.20.52.38 netmask 255.255.255.240 broadcast 172.20.52.47...) This example shows how to configure two default gateways on the switch. Caution You must use the console port for the console port. Enter privileged mode on a Catalyst 4500 series, Catalyst 2948G, or Catalyst 2980G switch, with Telnet. Enable SLIP for the SLIP connection. Command telnet ...
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... module 1 (the supervisor engine). Cisco Systems, Inc. Console> (enable) show module 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-9 Connected to Obtain an IP Address Configuration To disable SLIP on the console port and verify the configuration: sparc20% telnet 172.20.52.38 Trying 172.20.52.38 ... network. Enter...
... module 1 (the supervisor engine). Cisco Systems, Inc. Console> (enable) show module 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-9 Connected to Obtain an IP Address Configuration To disable SLIP on the console port and verify the configuration: sparc20% telnet 172.20.52.38 Trying 172.20.52.38 ... network. Enter...
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..., you are set correctly. set interface sc0 dhcp release 3-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 The switch broadcasts DHCP and RARP requests only when the switch boots up. NTP server 172.16.25.253 added NTP server... 172.16.25.252 added %MGMT-5-DHCP_S:Assigned IP address 172.20.25....
..., you are set correctly. set interface sc0 dhcp release 3-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 The switch broadcasts DHCP and RARP requests only when the switch boots up. NTP server 172.16.25.253 added NTP server... 172.16.25.252 added %MGMT-5-DHCP_S:Assigned IP address 172.20.25....
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..., it is 200 Mbps, and for a destination address that is available. When the switch receives a frame for Gigabit Ethernet ports, it is 20 Mbps. The switch uses an aging mechanism, which means that received the frame. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-2 78-15486-01 Default Ethernet and Fast Ethernet Configurations...
..., it is 200 Mbps, and for a destination address that is available. When the switch receives a frame for Gigabit Ethernet ports, it is 20 Mbps. The switch uses an aging mechanism, which means that received the frame. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-2 78-15486-01 Default Ethernet and Fast Ethernet Configurations...
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....com (173.16.1.201) 6 ms 3 ms 3 ms 4 somehost.company.com (10.1.2.3) 3 ms * 2 ms Console> (enable) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-8 78-15486-01 ping [-s] host [packet_size] [packet_count] Trace the hop-by -hop path of packets from...Chapter 4 Configuring Ethernet and Fast Ethernet Switching This example shows how to display the errdisable timeout configuration: Console> (enable) show interface default gateway that are configured on checking connectivity, see Chapter 20, "Checking Status and Connectivity." To check...
....com (173.16.1.201) 6 ms 3 ms 3 ms 4 somehost.company.com (10.1.2.3) 3 ms * 2 ms Console> (enable) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-8 78-15486-01 ping [-s] host [packet_size] [packet_count] Trace the hop-by -hop path of packets from...Chapter 4 Configuring Ethernet and Fast Ethernet Switching This example shows how to display the errdisable timeout configuration: Console> (enable) show interface default gateway that are configured on checking connectivity, see Chapter 20, "Checking Status and Connectivity." To check...
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...-GB-RJ45 1, 2, 3, 4 5, 6, 7, 8 9, 10, 11, 12 13, 14, 15, 16 17, 18, 19, 20 21, 22, 23, 24 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-4 78-15486-01 On all modules, the oversubscribed ports are grouped for Module WS-4418-2GB Uplink Port 1 Uplink Port 2 3, 5, 7, 9 4, 6, 8, 10 11, 13, 15, 17 12, 14...
...-GB-RJ45 1, 2, 3, 4 5, 6, 7, 8 9, 10, 11, 12 13, 14, 15, 16 17, 18, 19, 20 21, 22, 23, 24 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-4 78-15486-01 On all modules, the oversubscribed ports are grouped for Module WS-4418-2GB Uplink Port 1 Uplink Port 2 3, 5, 7, 9 4, 6, 8, 10 11, 13, 15, 17 12, 14...
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... The network backbone connection is through a two-port Gigabit EtherChannel trunk link providing 2-Gbps bandwidth. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-5 and trunk-capable network interface cards (NICs), connects to the oversubscribed port group... or eight oversubscribed ports has a buffer for links to transmit traffic simultaneously. Table 5-8 Oversubscribed Port Groupings for Module WS-X4448-GB-RJ45 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 17, 18, 19, 20, 25, 26, 27, 28, 33, 34, 35, 36, 41, 42, 43, 44, 7, 8 ...
... The network backbone connection is through a two-port Gigabit EtherChannel trunk link providing 2-Gbps bandwidth. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 5-5 and trunk-capable network interface cards (NICs), connects to the oversubscribed port group... or eight oversubscribed ports has a buffer for links to transmit traffic simultaneously. Table 5-8 Oversubscribed Port Groupings for Module WS-X4448-GB-RJ45 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 17, 18, 19, 20, 25, 26, 27, 28, 33, 34, 35, 36, 41, 42, 43, 44, 7, 8 ...
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show interface default gateway configured on checking connectivity, see Chapter 20, "Checking Status and Connectivity." To check connectivity out a port, perform this task in privileged mode: Step 1 Step 2 Step 3 Task ... 2 ms 3 gateway_a.company.com (173.16.1.201) 6 ms 3 ms 3 ms 4 somehost.company.com (10.1.2.3) 3 ms * 2 ms Console> (enable) 5-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 If the host is alive Console> (enable) traceroute somehost traceroute to test connectivity out Gigabit Ethernet...
show interface default gateway configured on checking connectivity, see Chapter 20, "Checking Status and Connectivity." To check connectivity out a port, perform this task in privileged mode: Step 1 Step 2 Step 3 Task ... 2 ms 3 gateway_a.company.com (173.16.1.201) 6 ms 3 ms 3 ms 4 somehost.company.com (10.1.2.3) 3 ms * 2 ms Console> (enable) 5-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 If the host is alive Console> (enable) traceroute somehost traceroute to test connectivity out Gigabit Ethernet...
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... the EtherChannel ID of the EtherChannel show channel group 20 Admin Port Status Channel Channel group Mode id 20 1/1 notconnect on 768 20 1/2 connected 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) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-8 78-15486-01 Console...
... the EtherChannel ID of the EtherChannel show channel group 20 Admin Port Status Channel Channel group Mode id 20 1/1 notconnect on 768 20 1/2 connected 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) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-8 78-15486-01 Console...
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... port channel port_list mode auto must perform this task 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 vlancost 768 12 Channel 768 vlancost set the port ... tree port VLAN cost for channel ID 768: Console> (enable) show port channel [mod_num[/port_num]] 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-9 Channel 768 cost is broken. Console> (enable) Setting the EtherChannel Spanning Tree Port...
... port channel port_list mode auto must perform this task 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 vlancost 768 12 Channel 768 vlancost set the port ... tree port VLAN cost for channel ID 768: Console> (enable) show port channel [mod_num[/port_num]] 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-9 Channel 768 cost is broken. Console> (enable) Setting the EtherChannel Spanning Tree Port...