latitude 3550

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Feasible configuration scheme of CISCO 3550 Switch

: Switch> Switch> enable Switch # conf t Switch (config) # host 3550 3550 (config )#No ip dolo #This statement may indicate that the statement fails, but does not affect the subsequent results. You can omit it. 3550 (config) # line con 0 3550 (config-line) # noexec-t 3550 (c

Cisco Catalyst 3550-12 T as easy as LAN switching

Figure Cisco Catalyst 3550 series smart Ethernet switches are a new type of enterprise-class stackable multi-layer switch that provides high availability, high scalability, and high security, and improves the management capabilities of network operations. With a series of Fast Ethernet and Gigabit Ethernet configurations, the Catalyst 3550 series can serve as a powerful access layer switch for medium-

Calculates latitude and longitude range according to latitude and longitude and radius, calculates distance according to two-point latitude and longitude

How are these longitude determined? The earth is constantly spinning around its axis (the earth's axis is an imaginary line through both the north and the South Poles and the center of the Earth), and the Earth's waist draws a large circle perpendicular to its axis, so that every point on the circle is equal to the north and South poles, and this circle is called "the equator". At the north and south sides of the equator, many circles parallel to the equator are drawn, that is, "weft rings"; the

CISCO 3550 vswitch DHCP configuration step 3

For details about how to configure DHCP for a CISCO 3550 switch, refer to some configuration content in this article for comparison and learning. After "ip helper-address dhcp server ADDRESS" according to the configuration described on the Internet, the project finds that the client cannot obtain the ip address from the DHCP server, I recently configured 3550 as a DHCP server relay proxy. I was also confuse

Configure access control for the MAC address of a vswitch on a Cisco 3550 Router

This article describes how to configure a vswitch for a CISCO 3550 router and how to configure access control for a MAC address. In network management, users often encounter this situation: some users violate management regulations and modify their own IP addresses without permission to access restricted resources. Such behavior not only undermines information security rules, but may also cause network communication Faults due to address conflicts. Th

3550 configure a DHCP relay proxy instance

3550 dhcp configuration, many discussions on the network, but there are mostly errors and omissions, according to the configuration of an "IPHELPER-ADDRESSDHCP server address", the project found that the client can not get the IP address from the DHCP server, I recently configured 3550 as a DHCP server relay proxy. I was also confused for a long time. Later, I searched for information online and asked for h

"Bzoj" "3550" "ONTAK2010" Vacation

our composition: s=0;t=3*n+1; For1 (I,3*n) a[i]=Read (); Insert (S,1,k,0); Insert (2*n+2,t,k,0); For1 (i,n) Insert (1,i+1,1,-a[i]); For2 (I,n+1,2*n) Insert (i-n+ 1,i+1,1,-a[i]); For2 (I,2*n+1,3*n) Insert (I-n+1,2*n+2,a[i]); For1 (I,2*n+1) Insert (i,i+ 1,inf,0); You need to figure out in which equation A[i] first appears, the second occurrence in which equation, and what the positive and negative numbers are. B[i] appears obviously, I is positive, i+1 is negative Then ask f

Configure a DHCP server for a Cisco 3550 Switch

Network Environment: A 3550EMI switch is divided into three VLANs. vlan2 is the network where the server is located and is named server. The IP address segment t-[/[Xm1S3 is 192.168.2.0, subnet mask: 255.255.255.0, Gateway: 192.168.2.1 the Domain Server is windows 2000 advanceserver and serves as a DNS server. The IP address is 192.168.2.10, vlan3 is the network where client 1 is located, the IP address segment is 192.168.3.0, The subnet mask is 255.255.255.0, And the Gateway: 192.168.3.1 is nam

Configure a DHCP instance in Cisco 3550

In Cisco 3550, dhcp configuration is often discussed on the network, but there are mostly errors and omissions. According to the configuration described on the internet, after "ip helper-address dhcp server ADDRESS, in the project, I found that the client could not obtain the IP address from the DHCP server. I recently configured 3550 as the DHCP server relay proxy, and I was confused for a long time, later

Cisco 3550 Configuration DHCP Relay Agent

Lab Environment:1. Configure two VLAN 10 and VLAN 20VLAN IP address settings: 192.168.10.1 255.255.255.0 (192.168.10.1 is a VLAN 10 gateway address)VLAN IP Address setting: 192.168.20.1 255.255.255.0 (192.168.20.1 is a VLAN 20 gateway address)2. (Windows Server R2 operating system) set up a DHCP server to create two scopes VLAN 10 and VLAN 20,Get the IP address dynamically using VLAN 10 and VLAN 20. The DHCP server NIC accesses the switch FA0/1 port.DHCP server network card settings:ip:192.168.1

Obtain the longitude and latitude of a certain place & amp; obtain the corresponding geographical location through the latitude and longitude, and obtain the latitude and longitude

Obtain the longitude and latitude of a certain place obtain the corresponding geographical location through the latitude and longitude, get the latitude and longitude Recently, we have to use a latitude and longitude to determine whether the latitude and longitude are locat

Bzoj 3550 ONTAK2010 Vacation simplex

The main topic: given a length of 3n interval, the need to select some number, and any length of n interval of the maximum number of k, the maximum number of selected numbersSimplex directly engage inNote that a number can only be selected once, so add xiDo not understand 3n and k#include Bzoj 3550 ONTAK2010 Vacation simplex

Cisco 3550 Switch configuration (1)

For complete syntax and application information about this chapter, seeCatalyst 3550 Multilayer Switch Command ReferenceAnd Cisco IOS Interface Command Reference For Release 12.1. Understanding Interface Types This section describes different interface types and some reference content for configuring these interfaces in detail in other sections. Other sections describe the configuration process of physical interface features. This part includes

Cisco 3550 switch stp learning notes

Cisco 3550 switch stp learning notes STP (Spanning Tree Protocol) (IEEE 802.1D) Spanning Tree Protocol-review the working principles of SW: 1. the frame it forwards cannot be modified. create a MAC-PORT ing table based on source MAC learning. forward the frames in the target MAC ing table directly from the corresponding port. for frames without target MAC ing/Target wide (Group) broadcasting, SW learns different commands from all port forwarding (exce

Cisco 2950 3550 3750 series switch password hack

#十二步 Save ConfigurationDestination filename [startup-config]?Building configuration ...[OK]switch#-=--------Switch#reload#重新启动-----------Press RETURN to get started!00:00:14:%spantree-5-extended_sysid:extended sysid enabled for type VLAN00:00:17:%sys-5-config_i:configured from memory by console00:00:17:%sys-5-restart:system restarted--Cisco Internetwork Operating System SoftwareIOS (tm) C2950 software (c2950-i6q4l2-m), Version 12.1 (9) EA1, RELEASE Software (FC1)Copyright (c) 1986-2002 by Cisco

Calculate the distance between two points based on the latitude and longitude, and the distance between two points based on the latitude and longitude

Calculate the distance between two points based on the latitude and longitude, and the distance between two points based on the latitude and longitudeCalculate the Distance Based on the longitude and latitude of two points How are these cable cables determined? The earth is constantly rotating around the Earth's axis (the Earth's axis is a path through the north

Latitude and longitude knowledge-source, calculation, distance calculation based on two latitude and longitude

Source and how to calculate latitude and longitudeHow are these cable cables determined? The earth is constantly rotating around the Earth's axis (the Earth's axis is a path through the north and south poles of the Earth and the Center of the EarthImaginary line), draw a large circle perpendicular to the ground axis in the waist of the earth, so that every point in the circle is equal to the distance between the North and South Poles, this circleIt is

PHP sorting by latitude and longitude, filtering distance segments based on latitude and longitude

SQL statements: Select Location.* from (select *,round (6378.138*2*asin (sqrt () (Pow () (Sin (36.668530*pi ()/180-px_lat*pi ()/180)/2), 2) +cos (36.668530*pi ()/180) *cos (Px_lat*pi ()/180) * POW (Sin ((117.020359*pi ()/180-px_lon*pi ()/180)/2), 2)) (*1000)) As distance from bsx_training where (px_state = 1) and (type_id! = ") and (((Px_lat >= 27.683290277922) and (px_l At Ignore the above SQL statement first. One by one explanationSQL statements sorted by SQLLon1 Current user longitude lat1 c

"Turn" the method of calculating distances by latitude and longitude coordinates (latitude distance calculation)

Recently, the online search for the "method of calculating distances by latitude and longitude coordinates" reveals that most of the online code is as follows:#define PI 3.14159265static double Rc = 6378137; Equatorial radiusstatic double Rj = 6356725; Polar radiusClass JWD{PublicDouble M_longitude, M_latitude;Double M_radlo, M_radla;Double Ec;Double Ed;PublicJWD (double longitude, double latitude){M_longit

According to the latitude and longitude of the city and the location to obtain latitude and longitude

what is geocoding. The Geocoding API is an HTTP form of map service interface for programmers to invoke. The main service for those non-web program calls. For example, C #, C + +, Java, and other development languages can send HTTP requests and receive returned data. Users only need to be in the requested URL string splicing good keywords or latitude and longitude information, you can get the corresponding Baidu

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