Command Line Interface Guide
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... the Multicast filtering configuration. Displays current dynamic addresses in the bridgeforwarding database. Displays all entries in the bridge-forwarding database. Configures the system to automatically switch to a routed port. Access Mode Privileged EXEC Global Configuration Global Configuration Global Configuration Global Configuration Global Configuration Global Configuration Global Configuration Command Groups 37 Configures...
... the Multicast filtering configuration. Displays current dynamic addresses in the bridgeforwarding database. Displays all entries in the bridge-forwarding database. Configures the system to automatically switch to a routed port. Access Mode Privileged EXEC Global Configuration Global Configuration Global Configuration Global Configuration Global Configuration Global Configuration Global Configuration Command Groups 37 Configures...
Command Line Interface Guide
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... as trusted for all interfaces on a VLAN. Displays the DHCP snooping binding database and configuration information for DHCP snooping purposes. Configures a switch to accept DHCP packets with option-82 information from an untrusted port. Configures the update frequency of the DHCP snooping binding file. Displays... Command Group ip dhcp snooping Description Globally enables DHCP snooping ip dhcp snooping vlan Enables DHCP snooping on a switch. show running configuration file. Configures a switch to accept DHCP packets with option-82 information from an untrusted port.
... as trusted for all interfaces on a VLAN. Displays the DHCP snooping binding database and configuration information for DHCP snooping purposes. Configures a switch to accept DHCP packets with option-82 information from an untrusted port. Configures the update frequency of the DHCP snooping binding file. Displays... Command Group ip dhcp snooping Description Globally enables DHCP snooping ip dhcp snooping vlan Enables DHCP snooping on a switch. show running configuration file. Configures a switch to accept DHCP packets with option-82 information from an untrusted port.
Command Line Interface Guide
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Enables logging AAA login events. Displays the state of a stack master. Switches to the logging file based on the network. Reloads the operating system. Reloads stack members. Displays information about stack status. Clears messages from the internal ...
Enables logging AAA login events. Displays the state of a stack master. Switches to the logging file based on the network. Reloads the operating system. Reloads stack members. Displays information about stack status. Clears messages from the internal ...
Command Line Interface Guide
Page 63
Enables logging AAA login events. Configures how long an entry remains in the ARP cache. Configures the system to automatically switch to the login history file. Enters SSH Public Key-chain configuration mode. Enables sending traps when a MAC address was failed in authentication of Multicast addresses. ...
Enables logging AAA login events. Configures how long an entry remains in the ARP cache. Configures the system to automatically switch to the login history file. Enters SSH Public Key-chain configuration mode. Enables sending traps when a MAC address was failed in authentication of Multicast addresses. ...
Command Line Interface Guide
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... modifies the device host name. Enters the interface configuration mode of the DHCP snooping binding file. Configures a switch to accept DHCP packets with option-82 information from an untrusted port. Enables GVRP globally. Enters the interface ... the interface configuration mode to configure multiple portchannels. Enters the interface configuration mode to configure multiple ethernet type interfaces. Configures a switch to accept DHCP packets with option-82 information from an untrusted port. Ends the current configuration session and returns to -address mapping...
... modifies the device host name. Enters the interface configuration mode of the DHCP snooping binding file. Configures a switch to accept DHCP packets with option-82 information from an untrusted port. Enables GVRP globally. Enters the interface ... the interface configuration mode to configure multiple portchannels. Enters the interface configuration mode to configure multiple ethernet type interfaces. Configures a switch to accept DHCP packets with option-82 information from an untrusted port. Ends the current configuration session and returns to -address mapping...
Command Line Interface Guide
Page 77
... the estimated copper cable length attached to a port. show history Lists the commands entered in the context of Multicast switch ports in the current session. show qos Displays the QoS status. show line Displays line parameters. show clock Displays the...the DHCP snooping binding database and configuration information for Ethernet ports. show gvrp statistics Displays GVRP statistics. resume Switches to another node on a switch. show privilege Displays the current privilege level. ping Sends ICMP echo request packets to another open Telnet session...
... the estimated copper cable length attached to a port. show history Lists the commands entered in the context of Multicast switch ports in the current session. show qos Displays the QoS status. show line Displays line parameters. show clock Displays the...the DHCP snooping binding database and configuration information for Ethernet ports. show gvrp statistics Displays GVRP statistics. resume Switches to another node on a switch. show privilege Displays the current privilege level. ping Sends ICMP echo request packets to another open Telnet session...
Command Line Interface Guide
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...; If Multicast routers exist on the VLAN, do not change the unregistered Multicast addresses state to drop on the switch ports. • If Multicast routers exist on port 1/e16 to the Multicast switches. Use the no form of this command to disable filtering Multicast addresses. Console(config)# bridge multicast filtering bridge multicast...
...; If Multicast routers exist on the VLAN, do not change the unregistered Multicast addresses state to drop on the switch ports. • If Multicast routers exist on port 1/e16 to the Multicast switches. Use the no form of this command to disable filtering Multicast addresses. Console(config)# bridge multicast filtering bridge multicast...
Command Line Interface Guide
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User Guidelines • The system internally keeps time in UTC, so this command to configure the software not to automatically switch to summer time. Indicates that summer time should start and end on the second specific date in hours and minutes. (Range: hh: 0 - 23,... usa - Console(config)# clock timezone -6 zone CST clock summer-time The clock summer-time Global Configuration mode command configures the system to automatically switch to 6 hours difference from UTC. Examples The following example sets the timezone to summer time (daylight saving time). Week of minutes to be ...
User Guidelines • The system internally keeps time in UTC, so this command to configure the software not to automatically switch to summer time. Indicates that summer time should start and end on the second specific date in hours and minutes. (Range: hh: 0 - 23,... usa - Console(config)# clock timezone -6 zone CST clock summer-time The clock summer-time Global Configuration mode command configures the system to automatically switch to 6 hours difference from UTC. Examples The following example sets the timezone to summer time (daylight saving time). Week of minutes to be ...
Command Line Interface Guide
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... Configuration The default configuration is that are connected to DHCP clients. 154 DHCP Snooping Use the no form of this command to return to other switches or routers. User Guidelines • Configure as trusted ports those that are connected to a DHCP server or to the default settings. Configure as trusted for...
... Configuration The default configuration is that are connected to DHCP clients. 154 DHCP Snooping Use the no form of this command to return to other switches or routers. User Guidelines • Configure as trusted ports those that are connected to a DHCP server or to the default settings. Configure as trusted for...
Command Line Interface Guide
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...(config)#ip dhcp snooping information option alloweduntrusted ip dhcp snooping verify The ip dhcp snooping verify Global Configuration mode command configures a switch to verify on an untrusted port that the source MAC address in a DHCP packet matches the client hardware address. DHCP Snooping...Global Configuration mode. Syntax • ip dhcp snooping information option allowed-untrusted • no form of this command to configure the switch to drop these packets from an untrusted port. console(config)# interface ethernet 1/e15 console(config-if)# ip dhcp snooping trust ip dhcp...
...(config)#ip dhcp snooping information option alloweduntrusted ip dhcp snooping verify The ip dhcp snooping verify Global Configuration mode command configures a switch to verify on an untrusted port that the source MAC address in a DHCP packet matches the client hardware address. DHCP Snooping...Global Configuration mode. Syntax • ip dhcp snooping information option allowed-untrusted • no form of this command to configure the switch to drop these packets from an untrusted port. console(config)# interface ethernet 1/e15 console(config-if)# ip dhcp snooping trust ip dhcp...
Command Line Interface Guide
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...ensure that the source MAC address in the database is accurate, Simple Network Time Protocol (SNTP) is enabled and configured. • The switch writes binding changes to verify on untrusted ports matches the client hardware address in the packet. Command Mode Global Configuration mode. Use the no...this command. Syntax • ip dhcp snooping verify • no ip dhcp snooping verify Default Configuration The default configuration is that the switch verifies the source MAC address in a DHCP packet that is received on an untrusted port that the lease time in a DHCP packet ...
...ensure that the source MAC address in the database is accurate, Simple Network Time Protocol (SNTP) is enabled and configured. • The switch writes binding changes to verify on untrusted ports matches the client hardware address in the packet. Command Mode Global Configuration mode. Use the no...this command. Syntax • ip dhcp snooping verify • no ip dhcp snooping verify Default Configuration The default configuration is that the switch verifies the source MAC address in a DHCP packet that is received on an untrusted port that the lease time in a DHCP packet ...
Command Line Interface Guide
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console> show ip dhcp snooping DHCP snooping is Enabled DHCP snooping is configured on a switch. Syntax • show ip dhcp snooping binding User EXEC mode command displays the DHCP snooping binding database and configuration information for all interfaces on following ...
console> show ip dhcp snooping DHCP snooping is Enabled DHCP snooping is configured on a switch. Syntax • show ip dhcp snooping binding User EXEC mode command displays the DHCP snooping binding database and configuration information for all interfaces on following ...
Command Line Interface Guide
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... 60 seconds. User Guidelines • The leave timeout should be configured as an IGMP Querier for a VLAN. • When IGMP Snooping Querier is just one switch can be enabled on a VLAN interface. Syntax • ip igmp snooping querier enable • no IGMP traffic detected from a Multicast router. Use the no form...
... 60 seconds. User Guidelines • The leave timeout should be configured as an IGMP Querier for a VLAN. • When IGMP Snooping Querier is just one switch can be enabled on a VLAN interface. Syntax • ip igmp snooping querier enable • no IGMP traffic detected from a Multicast router. Use the no form...
Command Line Interface Guide
Page 306
... command to specify whether the port is trusted and which fields of the QoS domain. Indicates that ingress packets are classified at the edge, the switch port within the QoS domain can be configured to the untrusted state. Command Mode Global Configuration mode. Console(config)# qos map dscp-queue 33 40...
... command to specify whether the port is trusted and which fields of the QoS domain. Indicates that ingress packets are classified at the edge, the switch port within the QoS domain can be configured to the untrusted state. Command Mode Global Configuration mode. Console(config)# qos map dscp-queue 33 40...
Command Line Interface Guide
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...)# spanning-tree bpdu flooding clear spanning-tree detected-protocols The clear spanning-tree detected-protocols Privileged EXEC mode command enables the user to set the switches back to the default configuration. 366 Spanning-Tree Commands Example The following example restarts the protocol migration process on an interface. Syntax • clear spanning...
...)# spanning-tree bpdu flooding clear spanning-tree detected-protocols The clear spanning-tree detected-protocols Privileged EXEC mode command enables the user to set the switches back to the default configuration. 366 Spanning-Tree Commands Example The following example restarts the protocol migration process on an interface. Syntax • clear spanning...
Command Line Interface Guide
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...# show spanning-tree Spanning tree enabled mode RSTP Default port cost method: long Root ID Priority 36864 Address 00:02:4b:29:7a:00 This switch is the root. No Shared (STP) - - Path Cost Root Port Hello Time 2 sec 20000 1 (1/e1) Max Age 20 sec Forward Delay 15 sec Bridge ID...
...# show spanning-tree Spanning tree enabled mode RSTP Default port cost method: long Root ID Priority 36864 Address 00:02:4b:29:7a:00 This switch is the root. No Shared (STP) - - Path Cost Root Port Hello Time 2 sec 20000 1 (1/e1) Max Age 20 sec Forward Delay 15 sec Bridge ID...
Command Line Interface Guide
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... Port 1 (1/e1) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec IST Master ID Priority 32768 Address 00:02:4b:29:7a:0 0 This switch is the IST master. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Max hops 20 Interfaces Name State Prio.Nbr Cost Sts...
... Port 1 (1/e1) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec IST Master ID Priority 32768 Address 00:02:4b:29:7a:0 0 This switch is the IST master. Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Max hops 20 Interfaces Name State Prio.Nbr Cost Sts...
Command Line Interface Guide
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... Port 1 (1/e1) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec IST Master ID Priority 32768 Address 00:02:4b:29:7a:0 0 This switch is the IST master.
... Port 1 (1/e1) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec IST Master ID Priority 32768 Address 00:02:4b:29:7a:0 0 This switch is the IST master.
Command Line Interface Guide
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... mode MSTP Default port cost method: long ###### MST 0 Vlans Mapped: 1-9, 21-4094 CST Root ID Priority 32768 Address 00:01:42:97:e0:00 This switch is disabled. Use the no spanning-tree guard root Default Configuration Root guard is root for the...
... mode MSTP Default port cost method: long ###### MST 0 Vlans Mapped: 1-9, 21-4094 CST Root ID Priority 32768 Address 00:01:42:97:e0:00 This switch is disabled. Use the no spanning-tree guard root Default Configuration Root guard is root for the...
Command Line Interface Guide
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When root guard is enabled, if spanning-tree calculations cause a port to be enabled when the switch works in STP, RSTP and MSTP. Console(config)# interface ethernet 1/e8 Console(config-if)# spanning-tree guard root 390 Spanning-Tree Commands Example The following example enable root guard on port e8. User Guidelines Root guard can be selected as the root port, the port transitions to the alternate state.
When root guard is enabled, if spanning-tree calculations cause a port to be enabled when the switch works in STP, RSTP and MSTP. Console(config)# interface ethernet 1/e8 Console(config-if)# spanning-tree guard root 390 Spanning-Tree Commands Example The following example enable root guard on port e8. User Guidelines Root guard can be selected as the root port, the port transitions to the alternate state.