Example: --add property. Remove a property or an element from a list. Example: --remove property. Update an object by specifying a property path and value to set. Example: --set property1.
Skip to main content. Exit focus mode. Theme Light. High contrast. Profile Bookmarks Collections Sign out. Space-separated list of ports or port ranges between Destination Ports:. Cpu : active mirror0. Class-map: copp-system-mirroring match-any. The monitor session source and monitor session destination commands configure source and destination ports to the specified port mirroring session in a GRE tunnel.
The monitor session forwarding-drop command configures forwarding-drop sessions. Note Forwarding-drop sessions are the sessions corresponding to forwarding-drop destinations. A traffic storm is a flood of packets entering a network, resulting in excessive traffic and degraded performance. Storm control prevents network disruptions by limiting traffic beyond specified thresholds on individual physical LAN interfaces.
Storm control monitors inbound traffic levels over one-second intervals and compares the traffic level with a specified benchmark. Broadcast and multicast storm control are independent features and can be enabled simultaneously. The storm control all threshold overrides broadcast and multicast thresholds. The storm-control command configures and enables broadcast or multicast storm control on the configuration mode interface.
The command provides three mode options:. An interface configuration can contain three storm-control statements, one with each mode setting. The storm-control all threshold overrides broadcast and multicast thresholds. When storm control is enabled, the switch monitors inbound traffic levels over one second intervals and compares the traffic level with a specified threshold. The threshold is a percentage of the total available port bandwidth and is configurable on each interface for each transmission mode.
The show storm-control command displays the storm-control level and interface inbound packet capacity for the specified interface. A switched port is an Ethernet or port channel interface that is configured as a layer 2 interface. Switched ports bridge frames and are assigned to at least one VLAN.
Switched ports are not associated with any IP addresses. By default, Ethernet and port channel interfaces are in switched port mode. A routed port is an Ethernet or port channel interface that is configured as a layer 3 interface. Routed ports do not bridge frames and are not members of any VLANs. Routed ports can have IP addresses assigned to them and packets are routed directly to and from the port.
All IP-level interface configuration commands, except autostate and ip virtual-router, can be used to configure a routed interface. If the interface is reverted to switched port mode, running-config maintains IP level interface configuration statements. These changes become active again if the interface is configured back to routed port mode. A LAG that is created with the channel-group command inherits the mode of the member port. IP-level configuration is not propagated to the LAG from its component members.
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The broadcast queue towards the CPU is shared among all interfaces of the forwarding chip. Broadcast storm on a single port adversely impacts other interfaces of the same chip by potentially dropping even low rate broadcast frames. Routed port storm control attempts to mitigate this effect by performing storm control on the broadcast frames for routed ports. The switching-routing configuration of Ethernet and port channel interfaces is specified by the switchport and no switchport commands.
These commands only toggle the interface between switched and routed modes. They have no effect on other configuration states. The no switchport command places the configuration mode interface in routed port mode. Routed ports behave as Layer 3 interfaces. They do not bridge packets and are not VLAN members. An IP address can be assigned to a routed port for the direct routing of packets to and from the interface. When an interface is configured as a routed port, the switch transparently allocates an internal VLAN whose only member is the routed interface.
Internal VLANs are created in the range from to VLANs that are allocated internally for a routed interface cannot be directly created or configured. The switchport command places the configuration mode interface in switched port Layer 2 mode. Switched ports are configurable as members of one or more VLANs through other switchport commands. Switched ports ignore all IP level configuration commands, including IP address assignments.
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Attempting to send a datagram with the sender address equal to the broadcast address is likely to fail. However, this should not affect the communication as network interfaces with multiple IPv4 addresses are uncommon, so the address the operating system will select will likely be one the peer will understand.
Note: This function comes with both rvalue- and lvalue-reference qualifier overloads, so it is a good idea to make sure this object is rvalue, if possible, before calling makeReply, so as to make better use of move semantics. To achieve that, the example above would use:.
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Returns the sender address associated with this datagram. For a datagram received from the network, it is the address of the peer node that sent the datagram. For an outgoing datagrams, it is the local address to be used when sending. If no sender address was set on this datagram, the returned object will report true to QHostAddress::isNull.
TCP and UDP Port Usage Guide for Cisco Unified Communications Manager, Release 9.1(1)
See also destinationAddress , senderPort , and setSender. Returns the port number of the sender associated with this datagram. For a datagram received from the network, it is the port number that the peer node sent the datagram from. For an outgoing datagram, it is the local port the datagram should be sent from. See also senderAddress , destinationPort , and setSender.
Sets the data payload of this datagram to data. It is usually not necessary to call this function on received datagrams. For outgoing datagrams, this function sets the data to be sent on the network. Since datagrams can empty, an empty QByteArray is a valid value for data. Sets the destination address associated with this datagram to be the address address and port number port. The destination address and port numbers are usually set by QUdpSocket upon reception, so there's no need to call this function on a received datagram.
For outgoing datagrams, this function can be used to set the address the datagram should be sent to. It can be the unicast address used to communicate with the peer or a broadcast or multicast address to send to a group of devices. Sets the hop count limit associated with this datagram to count. If this is an outgoing packet, this is the value to be set in the IP header upon sending. The valid range for the value is 1 to This function also accepts a value of -1 to indicate that the operating system should choose the value.