3com 4500

Alibabacloud.com offers a wide variety of articles about 3com 4500, easily find your 3com 4500 information here online.

Some technical information about NICs in Linux (1)

generation when receiving data, how to check the relevant receipt status bits, and how to obtain data from the NIC (through shared memory copy, PIO, DMA, etc ).    Open a function    And dev-> open link. when ifconfig eth0 up is used, the network layer calls it-connects the device to the line and enables it to receive/send data. Any special initialization operations that are not completed during the probe process (enable IRQ generation, etc.) are carried out here.    Disable a function (optiona

Selection of common LAN access Wan Methods

follows: (1) network interconnection, vrouters support various LAN and WAN interfaces and are mainly used to interconnect LAN Access to wan. (2) data processing, including grouping filtering, grouping and forwarding, priority, multiplexing, encryption, compression, and firewall; (3) network management. vrouters provide functions including configuration management, performance management, fault tolerance management, and traffic control. In the past, most enterprises used to build their own inter

Network Resizing Using VLAN Technology

Virtual lan vlan) not only facilitates network security and prevents network storms, but also improves network operation efficiency and solves many other problems. The popularization of layer-3 switches creates conditions for VLAN applications. In the process of upgrading the network, I also used VLAN technology to solve the problem of network expansion. I. Network Environment When establishing a LAN, the company uses Cisco 3662 as the router, and the center switch uses the third-layer function

Configuration methods and commands for port mirroring of vswitches of different models

ingCommandPurposeApply port forwarding ing to one or more target ports on an SSR or to traffic specified byACL profile.FormatPort processing ing Monitor-port target-port | target-profile name>ModeConfigureDescriptionThe port processing ing command allows you to monitor via a single port the activity of oneOr more ports on an SSR or the traffic that is specified by an ACL.ParametersMonitor-PortThe port you will use to monitor activity.Target-PortThe port (s) for which you want to monitor activit

Download computer video tutorial Resources

. PlusHttp://www.chinaccna.com/VIPX/ShowSoft.asp? Softid = 2767 RedHat Linux9 installation demonstration videoHttp://www.chinaccna.com/VIPX/ShowSoft.asp? Softid = 2764 Sun Solaris video tutorialHttp://www.chinaccna.com/VIPX/ShowSoft.asp? Softid = 2762 Piya Linux videoHttp://www.chinaccna.com/VIPX/ShowSoft.asp? Softid = 2756 Jilin University-Internet webpage design 35Http://www.chinaccna.com/VIPX/ShowSoft.asp? Softid = 2713 Chinaitlab Oracle9i video Full SetHttp://www.chinaccna.com/VIPX/ShowSoft.

Notes for Cisco switches in networked systems

Western Digital0000C5 Farallon phone net card0000C6 HP Intelligent Networks Operation (formerly Eon Systems)0000C8 Altos0000C9 Emulex Terminal Servers0000D7 Dartmouth College (NED Router)0000D8 3Com? Novell? PS/20000DD Gould0000DE Unigraph0000E2 Acer Counterpoint0000EF Alantec0000FD High Level Hardvare (Orion, UK)000102 BBN BBN internal usage (not registered)0020AF 3COM

The working principle of IPS technology

user's visit, and reports the security incident to the management center; 3. The management center analyzes the security incident, locates the user according to the message information, and make a new security policy; 4. Access management to change the user's security rating, issued an updated security policy to the relevant network equipment; 5. Network devices that have updated security policies isolate the user to a specific area, prevent the virus from infecting other network users, and

New Feature of Oracle11g -- virtual Column)

SAL_TOTAL NUMBER 15:49:16 SCOTT@ test1 >select * from emp3; EMPNO SAL COMM SAL_PACK SAL_TOTAL---------- ---------- ---------- ---------- ---------- 10 1500 500 2000 18500 20 3000 500 3500 36500 30 4000 500 4500 48500 40 6000 500 6500 72500

FAQs about laser printer photocopier maintenance

of multiple pieces of paper feed. It has little to do with the paper jam. You can check the paper wheel and the transfer roller under the tab. They are more likely to be damaged, if damaged, replace it.Q: Why does the printing on Samsung 4500 appear light after powder is added?A: First of all, when adding powder, you must clean all the powder in the original powder warehouse, and scrape the scraper of the powder warehouse with a metal appliance. (One

PHP rpm Package Tutorial in Linux

];thenmem_level=2gmemory_limit=192elif [$Mem-gt 2500-a $Mem-le 3500];thenmem_level=3gmemory_limit=256elif [$Mem-gt 3500-a $Mem-le 4500];thenmem_level=4gmemory_limit=320elif [$Mem-gt 4500-a $Mem-le 8000];thenmem_level=6gmemory_limit=384elif [$Mem-gt 8000];thenmem_level=8gmemory_limit=448Fi Sed-i "s@^memory_limit.* @memory_limit = ${memory_limit}m@"%{_prefix}/etc/php.iniSed-i ' s@^output_buffering = @output_

Output Analysis of Tcpdump

. The output of the tcpdump is as follows: Root@lsyp1002:~ #/usr/sbin/tcpdump ' Port 15001 and TCP '-x-s 0 tcpdump:verbose output suppressed, use-v or-vv F or full protocol decode listening on eth0, Link-type EN10MB (Ethernet), capture size 65535 bytes 13:37:07.448992 IP lsyp1002.xxx.xxxx.com.58939 > 10.111.112.7.15001:s 3188757698:3188757698 (0) win 5840 0x0000: 4510 003c df87 4000 4006 e10b cbd1 fe80 E.. 0x0010: 3cbf 7307 e63b 3a99 be10 94c2 0000 0000 0x0020: a002 16d0 c44c 0000 0204

Install and set MLDonkey in Ubuntu11.04

(three servers): ed2k: // | server | no1.eserver.emule.org.cn | 8080 |/No1.eserver.emule.org.cn (actual IP address of the server in this group ):Ed2k: // | server | 59.60.30.132 | 8080 |/Ed2k: // | server | 222.73.207.86 | 8080 |/Ed2k: // | server | 221.130.199.116 | 8080 |/Note: For A New VC server, the nickname of eMule must contain the keyword [VeryCD] to connect to the server 1. No2.eserver.emule.org.cn (two Telecom servers): ed2k: // | server | no2.eserver.emule.org.cn | 8080 |/The actual

"1083" Code[vs] 1083 Cantor table 1999 NOIP National League popularity Group

;>>>>>>>>>>>>>>>>>>>>>>>> >>>> Problem Analysis >>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>At a glance, thought to enumerate, the whole table out, and then found that the more familiar with the picture, the figure is rotated, this is not the primary school books on the digital pyramid and so on mdzz ...It's obvious that *¥ ... Isn't it?Well, then, it can be found that each line ends "the number of the end of the singular line at the far right, the number of even lines opposite" is clearly the ordina

How to perform rounded up to 500 increments-php Tutorial

How to perform an ascending integer with a 500 increment condition: Progressive to 500, Rule: If the current value is 4200, it will be automatically converted to 4500; if the current value is 4700, it will be changed to 5000; if the value is 4500 or 5000, it will not change. Reply to discussion (solution) $ D = array (4200,470 0, 5000,450 0); foreach ($ d as $ v) {printf ("% d: % d \ n", $ v, ce

Data Mining notes (III)-data preprocessing

value. That is, the interval range of each box is a constant called the box width. User-defined intervals: You can customize intervals as needed. This method can be used to help you easily observe the data distribution within certain intervals. For example, the value of the customer's income attribute income after sorting (RMB): 800 1000 1200 1500 1500 1800 2000 2300 2500 2800 3000 3500 4000 4500. The binning result is as follows. Uniform weight: Set

Salary of major domestic companies in 05 years

R D Below are the salaries offered by several companies to graduate students who are engaged in R D (both before tax ): Huawei North Research Institute: the monthly salary is 7000, the monthly food subsidy is 300, the transportation subsidy is 500, and the annual prize is about 20 thousand. The annual salary is 0.12 million. Location: Shangdi Information Industry Base, Huawei building. ZTE: With an annual salary of 0.1 million and a monthly salary of more than 6000. However, it is related

Three-layer routing packet forwarding and packet format analysis with single-arm routing

0305 8100 00020x0010:0800 4500 003c 00fd 0000 8001 b65d C0A80x0020:0114 c0a8 0102 0800 255c 0200 2600 61620x0030:6364 6566 6768 696a 6b6c 6d6e 6f70 71720x0040:7374 757600:08:03.487725 IP (Tos 0x0, TTL, id 50979, offset 0, flags [None], Proto ICMP (1), length 60)192.168.1.2 > 192.168.1.20:icmp echo reply, id, seq 9728, length 400x0000:001a 4b8d 0305 0003 7fff fff2 8100 00020x0010:0800 4500 003c c723 0000 40

The output analysis of tcpdump

tcpdump is as follows: Root@lsyp1002:~ #/usr/sbin/tcpdump ' Port 15001 and TCP '-x-s 0 tcpdump:verbose output suppressed, use-v or-vv F or full protocol decode listening on eth0, Link-type EN10MB (Ethernet), capture size 65535 bytes 13:37:07.448992 IP lsyp1002.xxx.xxxx.com.58939 > 10.111.112.7.15001:s 3188757698:3188757698 (0) win 5840 0x0000: 4510 003c df87 4000 4006 e10b cbd1 E.. . @.@....... 0x0010: 3cbf 7307 e63b 3a99 be10 94c2 0000 0000 0x0020: a002 16d0 c44c 0000 0204 05b4 0402

Measure the test taker's knowledge about the comprehensive application of layer-3 switches in TMIS.

software, scattered development of various applications, lack of unified planning, resulting in low-level repeated development, low level of information sharing, and unbalanced development. In general, a complete system cannot be formed. In this context, the Ministry of Railways proposed the idea of building a railway operation management information system (OIS). Its core is the transportation management information system (TMIS ). TMIS consists of the central database system, station segment

Powerful features of gigabit backbone switches

Here we mainly aim at gigabit backbone switches and conduct a comprehensive evaluation of their performance in detail. In fact, for general users, what we value is cost effectiveness, rather than pursuing a good performance. Several Gigabit backbone switches provided for test are provided with detailed documentation. Here we first introduced the instructions of Digital China D-Link, which is very detailed. The previous section describes the basic knowledge of layer-2 switching and layer-3 routin

Total Pages: 15 1 .... 7 8 9 10 11 .... 15 Go to: Go

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.