Vpn ike mode configurationConfigure vpn on the route and firewall to implement communication between different network segments.
26-1You can create a vpn to enable communication between networks of different network segments through the
F5 and Radware should be the best two companies in the Server Load balancer field at present. These two products are closely integrated with applications to better adapt to actual needs in terms of functions. In particular, Radware has been
The first article records VTP and STP configuration issues.Before talking about configuration problems, it is necessary for me to specify the agreement and purpose to avoid forgetting it.Vtp protocol vlan relay PROTOCOL, VTP, vlan trunking protocol
The extension diagram is as follows:
1. Floating Static Routing
Configure a primary link and a secondary link! Normally, the primary link is used. If the primary link fails, switch to the secondary link!
H3C
The main line s0-s0 uses ospf
In general, DHCP is easy to install. However, when installing DHCP in the IP sequence of the same network segment, you must configure two NICs for the DHCP server and assign different ip sequences. One Nic cannot be used for testing.
Set the
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After the campus network is built, it is required that the MAC address of each workstation in the network and the assigned static IP address be bound on the server side to facilitate unified management and reduce
This figure shows the TCP state machine. After two hours, the analysis is summarized as follows:
(1) initial status when the CLOSED status is set.
(2) LISTEN: it is opened passively, and the server status changes to LISTEN (listener ).
Abstract: With the rapid development of the Internet, TCP/IP has become the mainstream protocol for data network interconnection. Vrouters running on various networks are responsible for controlling traffic that may be the most important
I. TCP protocol 1. TCP provides reliability in the following ways:• ◆ The application is split into data blocks that TCP considers to be the most suitable for sending. The unit of information transmitted by TCP to the IP address is called the
The company has three Cisco 2950 vswitches, which are now out of service. If you have nothing to worry about, just do a few small experiments on them. 1. Reset the password. 2. Upgrade IOS. 3. VLAN division and synchronization. 4. DHCP. First,
Let's first understand the following concepts: Subnet: IP addresses are divided into two segments: the network bit and the host bit. If the number of hosts in a network is 450, a class C address is not enough, allocating a Class B address is too
Why is there a TCP/IP protocol?In the world, various computers run different operating systems to serve everyone. These computers use different methods to express the same information. It is as if God in the Bible had disrupted the accents of people
To address the limitations of traditional VLANs and ensure the security of network communication to a greater extent, many VLAN extension technologies have emerged in recent years, this article mainly introduces PVLAN, SuperVLAN, SVLAN and other
Cancel undo display to display the current configuration. In user mode, the content displayed in privileged mode is different, the password cannot be displayed in user mode. system-view [H3C] super password H3C # Set the password to H3C # configure
Slow start of TCP protocol the traditional algorithm for slow start of TCP protocol is to receive a new ACK each time, the window is + 1, that is, CWND = CWND + 1; many algorithms start with TCP implementation improvements because the window value
As the saying goes, PPStream LAN sharing is good: "It is a pleasure to have the same troubles ." This sentence cannot be reflected in real life, especially when you are lucky. Do not forget your brother. I heard that ppstream, a free online TV, is
Different http statuses are used in php or javascript. Some common status codes are as follows: 200-the server successfully returns the webpage 404-the requested webpage does not exist. 503-the service is unavailable for all statuses. Explanation:
During website construction, we often encounter different protocols. Both Socket and http protocols can achieve data transmission. However, what are their respective characteristics and disadvantages of the two transmission methods in website
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