ip igmp-proxy To add downstream interfaces to an IGMP proxy tree, use the ip igmp-proxy command in Interface Configuration mode. To remove downstream from interfaces to an IGMP proxy tree, use the no form of this command. Syntax ip igmp-proxy upstream-interface-id no ip igmp-proxy Parameters upstream-interface-id—Upstream Interface identifier. Default Configuration […]
Multicast – IGMP
clear ip igmp counters To clear the Internet Group Management Protocol (IGMP) interface counters, use the clear ip igmp counters command in Privileged EXEC mode. Syntax clear ip igmp counters [interface-id] Parameters interface-id—(Optional) Interface Identifier Command Mode Privileged EXEC mode User Guidelines Use the clear ip igmp counters command to […]
Energy – Power over Ethernet (PoE)
power inline To configure the inline power administrative mode on an interface, use the power inline Interface Configuration mode command. Syntax power inline auto [time-range time-range-name] power inline never Parameters auto—Turns on the device discovery protocol and applies power to the device. never—Turns off the device discovery protocol and stops […]
Energy – Energy Efficient Ethernet (EEE)
eee enable (global) To enable the EEE mode globally, use the eee enable Global Configuration command. To disable the mode, use the no format of the command. Syntax eee enable no eee enable Parameters This command has no arguments or keywords. Default Configuration EEE is enabled. Command Mode Global Configuration […]
Energy – Green Ethernet
green-ethernet energy-detect (global) To enable Green-Ethernet Energy-Detect mode globally, use the green-ethernet energy-detect Global Configuration mode command. To disable this feature, use the no form of this command. Syntax green-ethernet energy-detect no green-ethernet energy-detect Parameters This command has no arguments or keywords. Default Configuration Disabled. Command Mode Global Configuration mode […]
Security – Denial of Services (DoS)
security-suite deny fragmented To discard IP fragmented packets from a specific interface, use the security-suite deny fragmented Interface (Ethernet, Port Channel) Configuration mode command. To permit IP fragmented packets, use the no form of this command. Syntax security-suite deny fragmented {[add {ip-address | any} {mask | /prefix-length}] | } no […]
Security – 802.1x
aaa authentication dot1x To specify which servers are used for authentication when 802.1X authentication is enabled, use the aaa authentication dot1x command in Global Configuration mode. To restore the default configuration, use the no form of this command. Syntax aaa authentication dot1x default {radius | none | {radius none}} no […]
Security – Access Control Lists (ACL)
ip access-list (IP extended) Use the ip access-list extended Global Configuration mode command to name an IPv4 access list (ACL) and to place the device in IPv4 Access List Configuration mode. All commands after this command refer to this ACL. The rules (ACEs) for this ACL are defined in the […]
Security – TACACS+
tacacs-server host To specify a TACACS+ host, use the tacacs-server host Global Configuration mode command. To delete the specified TACACS+ host, use the no form of this command. Syntax tacacs-server host {ip-address | hostname} [single-connection] [port port-number] [timeout timeout] [key key-string] [priority priority] no tacacs-server host {ip-address | hostname} Parameters […]
Security – RADIUS
radius-server host Use the radius-server host Global Configuration mode command to configure a RADIUS server host. Use the no form of the command to delete the specified RADIUS server host. Syntax radius-server host {ip-address | hostname} [auth-port auth-port-number] [acct-port acct-port-number] [timeout timeout] [retransmit retries] [deadtime deadtime] [key key-string] [priority priority] […]