GMRP learning summary GMRP (GARP Multicast Registration Protocol) is a specific application of the GARP Protocol, defined in 802.1D, used for the switch and end station) automatically join (Register) or exit (deregister) a multicast group, so that the LAN knows where the multicast receiver is in the network, so that the multi
Technical Features of IPv63.1 What are the significant advantages of IPv6 over IPv4?
Compared with IPv4, IPv6 has the following significant advantages:
1) The address capacity is greatly expanded from the original 32-bit to 128-bit, which completely solves the problem of IPv4 address insufficiency. the hierarchical address structure is supported to facilitate addressing; extended support for multicast and any mult
Label: PIM-Sm Multicast Route pi pim-DM Multicast Route IGMP MRT
PIM-DM and PIM-SM are two different modes in multicast routing ASM (any source multicast. Compared with the multicast registration mechanism of PIM-SM, the diffusion mechanism of PIM-DM is more rough.
1.
IPv6 anycast Technology and Its anycast Address Resolution Protocol
Author: Wang Jianli fangwei
Abstract: anycast is a new network application. Anycast communication supports service routing. However, many definitions of anycast communication in IPv6 are vague, and no protocol standards have been reached in controlling routes, therefore, anycast communication between nodes cannot be implemented. In this article, we will first describe the anycast Communication Based on IPv6 and many potentia
winbox, this thing can not configure the IP address, directly through the MAC address of the Mikrotik system "connect" to the system, and then configure it IP address!!This is actually nothing magical, who told you to establish a connection must be through the IP address of Ah! Who told you that TCP is everything! In fact, when my colleague asked me how I could be proficient in the internet yesterday, I told him that I knew everything about the Internet except TCP and that you were proficient i
server and display terminal at the same time, the image display is not delayed due to data storage and forwarding.
3. Data Transmission Mode of the live streaming media system
If the relay mode is used, when the image data is transmitted from the server to the display terminal, the unicast and multicast modes can be used. Similarly, if you use a direct method, when the image data is transmitted from the encoder to the display terminal, you can also u
Management Protocol (IGMP) support can be enabled on cluster hosts to control switch broadcasts (when operating in multicast mode).
With shell commands or scripts, you can remotely start, stop, and control NLB operations from any networked computer running Windows.
You can view the Windows event log to check for NLB events. NLB logs all operations and cluster changes in the event log.
Ease of Use NLB offers a number of ha
there is no RIP, OSPF or other routing protocols, but bridge switching based on the Spanning Tree Algorithm,
The advantage of this method is that the user's physical location has changed, and there is no need to reconfigure the VLAN to which the user belongs, and VLAN can be divided according to the protocol type, which is very important for network managers, this method does not require additional VLAN tags to identify VLANs, which can reduce network traffic.
The disadvantage of this method is
in accordance with the pppoe protocol and fully compatible with the popular dial-up software. If you are not interested in other services and are very familiar with the applications, does not affect users' habits.
From the perspective of BAS, the operation process of pppoe has not changed, but an additional service type has been added. If the carrier does not select a gateway for the service currently, you can configure it through the network management, so that the general service is not inc
demand. The operation mode of PPPoE is the future development direction of the business.
3.4PPPoE support for MulticastPPPoE is a Point-to-Point Protocol. Each user and BAS have a PPP link. The user and BAS transmit data through this link through a layer-2 device in the form of unicast. However, with the continuous development of online video services, the demand for bandwidth is growing, and PPPoE is very important to support multicast. The
networks, it is inevitable that the bandwidth and QoS corresponding to the business type should be allocated on demand. The operation mode of PPPoE is the future development direction of the business.
4 PPPoE support for Multicast
PPPoE is a Point-to-Point Protocol. Each user and BAS have a PPP link. The user and BAS transmit data through this link through a layer-2 device in the form of unicast. However, with the continuous development of online vid
responsible for delivering messages from one process (the running program) to another. 1.2 Address
The Internet using the TCP/IP protocol uses 3-level addresses: Physical (link) address, logical (IP) address, and port address. Each address belongs to a specific layer in the TCP/IP architecture. 1.2.1 Physical Address
The physical address is also called a link address, which is the address of the node, defined by its local area network or WAN. The physical address is contained in the frame used
following X-calls are not correct Work End If End SubEnd Module Description:1 delegates enter in as arguments, at 2 when the delegate is actually invoked, 3 determines the state of the delegate, and 4 depends on the return value of the delegate to determine whether recursion continues.VI. multi-channel broadcast commissioned MulltcastThe. NET framework supports two types of delegates:1. Unicast delegationA method that uses a unicast delegate to invoke an object. When Invoke () is called in a un
Preface:
There are two main ways to manage session in a Tomcat cluster:
1). Sticky session
Indicates that requests sent from the same window will be processed by the same tomcat in the cluster. The configuration is workers.properties the XML code worker.lbcontroller.sticky_session = True in the file above
The advantage of sticky sessions is that it does not bounce back and forth on different tomcat, but the downside is that if the tomcat that handles the session crashes, the subsequent request w
and error output from a command, use standard redirects to stdout to stderr redirects:
$ command >/dev/null 2>1
Here, 2 represent stderr and 1 represent stdout. You can display a message to stderr to the STDERR redirect standard input to the following:
$ echo Message 1>2
REDIRECT command:
The following is a command that allows you to use a complete list of redirects:
Command
Describe
PGM >
the current broadband network.
Multicast exception message: the multicast information serves only some users in the network. The destination address is the host applied to join the multicast group in the network. Some hosts do not apply to join multicast groups. These multicast
located in one VLAN on the aggregation or core device, the broadcast traffic will be returned to other cells through the upper-layer device, which will continue to occupy the link bandwidth of these cells and affect the host performance, this configuration method is widely used in the current broadband network.
Multicast exception message: the multicast information serves only some users in the network. Th
technology, you can restrict the transmission of broadcast packets only to upstream ports, which can reduce the impact on the link and host of the local network segment, but cannot solve the impact on the Convergence layer and core layer devices. If multiple sub-divisions are located in one VLAN on the aggregation or core device, the broadcast traffic will be returned to other cells through the upper-layer device, which will continue to occupy the link bandwidth of these cells and affect the ho
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