l3 limiter

Cisco L3 switch Policy Routing for network access and Traffic DistributionI. Description of the solution environment 1. There are two groups of Group1 and Group2 in the environment, respectively, to access the Internet from two different network outlets. 2. The core network is a Cisco 3560G layer-3 Switch with four VLANs. VLAN10/VLAN20 belongs to Group1 and VLAN30/VLAN40 belongs to group2. 3. the LAN IPs of the two access routers are 10.10.10.254 (use

management switching equipment.Finally, it is worth pointing out that some people to some extent there are some vague concepts, that the so-called fourth-layer switch is actually added on the third layer of the switch with the ability to identify the fourth protocol port, only on the third layer of the switch to add some value-added software, and therefore not working in the transport layer, But still in the third layer on the exchange operation, but is more sensitive to the third layer of exch

is not a simple superposition of Layer 2 switches and routers. The Layer 3 routing module is directly superimposed on the Layer 2 switching high-speed backplane bus, breaking through the interface speed limit of traditional routers, the speed can reach dozens of Gbit/s. Calculating the backboard bandwidth is two important parameters for the performance of a layer-3 switch. (2) Concise routing software simplifies the routing process. Most of the data forwarding, except for the necessary route s

An instance of VLAN configuration for Cisco L3 switches and L2 SwitchesCisco VLAN implementation is usually port-centric. The port connected to the node determines the VLAN in which it resides. There are two ways to allocate a port to a VLAN: Static and Dynamic. The process of creating a static VLAN is to forcibly allocate the port to a VLAN. That is, we first create a VLAN on The VTP (VLAN Trunking Protocol) server, and then assign each port to the c

I have seen many people discuss the issue of 4006 L3.You need to figure out the structure of the x4232-L3, which consists of two parts:------------------------------------ Backplane| 2GE | (4GE)------ || R | -------------------------- |... ||2 GE 32FE (appearance)1. Separate the 32 FE first. They cannot be configured from the router. They are connected to the base version through 4GE.2. another part is a ro

switches uses the Hardware Multi-layer switching technology of ASIC to implement hierarchical data packet processing. The first is to classify data streams, and then assign different priority levels to different streams to process network data more efficiently without compromising data exchange performance, ensure priority of key data transmission. That is to say, this ASIC integrated processing technology provides an integrated and fast processing platform for data packets to complete the enti

l3-002. Stack time limit (ms)Memory Limit 65536 KBCode length limit 8000 BProcedures for the award of questions StandardAuthor ChenAs we all know, "stack" is a linear structure of "advanced out", the basic operation has "into the stack" (the new element into the top of the stack) and "Out of the stack" (the value of the top element of the stack is returned and removed from the stack). Now you implement a special kind of stack, it is more an operation

. L2 forwarding: the L2 forwarding feature of a l3 Ethernet switch conforms to the 802.1D bridge protocol standard. Layer-3 Ethernet switch layer-2 forwarding involves two key threads: address learning thread and message forwarding thread. The Learning thread is as follows:◆ The layer-3 Ethernet switch receives all data frames in the network segment and uses the source MAC address in the received data frame to create a MAC address table;◆ Port Movemen

Recently, the IOT platform has launched an intelligent three-layer Ethernet switch product TS3026E for Broadband Metropolitan Area Network Access and CEN workgroup access. This product is developed based on the industry's mature Ethernet ASIC switching technology and self-developed SPROS operating system. It provides sound line rate traffic switching, QOS Assurance, VLAN control, and other mechanisms, with complete business control and user management capabilities, it is an ideal product for bui

configure through WEB-based user interfaces and wizard; NAT and VPN penetration functions; built-in firewall; DDNS support for hosts with dynamic IP addresses; UPnP (Universal Plug Play) supports multimedia applications. 4-port 10/100 Base-TX switch LAN port, a 10/100 MB Base-tx wan port. This scheme requires one purchase. TF-3239D card uses Realtek RTL8139 chip, is a high performance 10/100 MB adaptive ethernet card ,. The card has the automatic negotiation function, which can automatically i

to use the existing IP address. If you fail to contact the default gateway, the client considers that you have been moved to a different subnet and will start a new round of IP leasing.After a DHCP client sends a dhcpdiscover broadcast packet for an IP lease request, it takes one second to wait for the DHCP server to respond. If no server response is received within one second, it broadcasts the broadcast package four times (separated by 2, 4, 8, and 16 seconds, plus 1 ~ A random length of 1000

Question: New L2 Switch 2918 to L3 switch 3560 Author: Xu minghuiDate: 14: 09 2009/4/20 Steps: 0Connect the 2918 switch to the COM port of the PC and configure the password and IP address.15 ports with 3560 and 1 trunk ports with 2918 taste.2And synchronize VLAN information of 2918 and 3560.3Add a new VLAN on 3560 and assign the VLAN to the port on 2918.4, Supplement knowledge The TXT file of the original configuration file can beHereDownload.

# Function return value Def get_max (A, B, C ): Max_num = If B> max_num: Max_num = B If C> max_num: Max_num = C Returm max_num Max_number = get_max (1, 5, 3) Print ('maxim', max_number) Print (get_max (-2, 5, 40 )) Get_max () # Function return value: The parameter enters the function. After some business logic processing, the processed result is returned. # The return value starts with return. It can return numbers, strings, and boolean values. # Generally, the return value of a function is clea

Mpls vpn L3 PE-CE static explanationL3 mpls vpn static CE route configuration: -- 1. IGP is deployed between P and PE devices to ensure that the loopback address is reachable. -- 2. Deploy LDP, IGP, and LDP between P and PE devices for Label Distribution of backbone networks. IGP ensures that the loop ports between PES can be reached, so that LDP can work normally. -- 3, PE equipment between establish MP-BGP Neighbor Relationship -- 4, PE equipment co

management switching equipment.Finally, it is worth pointing out that some people to some extent there are some vague concepts, that the so-called fourth-layer switch is actually added on the third layer of the switch with the ability to identify the fourth protocol port, only on the third layer of the switch to add some value-added software, and therefore not working in the transport layer, But still in the third layer on the exchange operation, but is more sensitive to the third layer of exch

same network segment can be observed. Where routed port uses the physical interface of the MAC address, SVI uses MAC address device MAC address +1. 2, under the SVI configuration e0/0 still work l2,routed port under the e0/0 completely in L3 work. A reply to this issue on the Cisco Web site is referenced below . There is a difference the way both the connection works. Although they would have the same purpose but there is the difference the way th

The number of characters in the text input box that needs to be completed by the project is quite good. We recommend it to you. 1. Source Code /** wordlimitor 1.0.1* Date: 2011-08-01* (c) 20011 gudufy,http://gudufy.cnblogs.com/** This is licensed

I said that there was already output, And I typed it in the editor. There was nothing in front of it. This was also the case when I used AJAX. Later, I put this PHP file in linux to open it, you will find that at the beginning of the file, there

said that there is already output, with the editor to fight, clearly there is nothing in front, originally in the use of Ajax, also appeared in this situation, and later, put the PHP file into Linux Open, will find that in the first file, there will

The ospf protocol for layer-3 devices is only suitable for small networks because of the 16-hop limitation of the rip Protocol and other reasons in the information interaction between different network segments. Therefore, ospf protocol has been