how to configure cisco ip communicator

This article mainly introduces the IP spoofing technology and explains how to use Cisco IOS to prevent IP spoofing, including blocking IP addresses and reverse path forwarding, I believe that reading this article will help you. The Internet is full of various security threats, one of which is

BOOTP.2) BootP:3) Helper Addresses: Specifies the IP address of the DHCP server to be placed centrallyIp helperaddress ip-address;No IP forward-protocol UDP 137;4) DHCP service on the router: Configure the router as a DHCP server5) DHCP and BOOTP fault handlingShow DHCP server;Show DHCP lease;2. ARPARP maps the 2nd-ti

process is not displayed on the terminal, it may be because the communication port parameter configuration is incorrect and you need to reconfigure it. 2. Configure through the terminal simulation program of Win 3.x or Win 95 Start Win 3.X, double-click "accessories" with the mouse, then double-click "terminal simulation program", click "Settings", in the drop-down menu "terminal simulation" select DEC VT-100 [ANSI], in "communication", select the pa

Recently, a friend asked me how to configure static NAT for a Cisco router to allow Internet users to access the Intranet Web and email servers through a Cisco router. Obviously, this function requires NAT between the public IP address and the Intranet IP address. The follow

Cisco Router Cisco2620 (config) # enable secret 123123: Set the privileged mode password to 123123 Cisco2620 (config) # line console 0: Enter the Console port configuration mode Cisco2620 (config-line) # password 123123: Set the Console port password to 123123 Cisco2620 (config-line) # login: Make the console port configuration take effect Cisco2620 (config-line) # line vty 0 5: Switch to remote logon Port Cisco2620 (config-line) # password 123123: S

server in the SetIP helperaddress IP-address;No IP forward-Protocol UDP 137;4) DHCP service on the vro: configure the vrodhcp as a DHCP server.5) DHCP and BOOTP troubleshootingShow DHCP server;Show DHCP lease;2. ARPARP maps layer-4 MAC addresses to layer-3 addresses.Show ARP; displays the ARP table of the router.Debug ARP;1) ARP Proxy: The ARP proxy of the

Configure the router to use the Cisco AutoSecure experiment process: R1 # auto secure --- AutoSecure Configuration --- *** AutoSecure configuration enhances the security ofthe router, but it will not make it absolutely resistan=all security attacks *** AutoSecure will modify the configuration of your device. all configuration changes will be shown. for a detailedexplanation of how the configuration changes

There are three solutions available in Cisco. solution 1 and solution 2 provide the same functionality, that is, bind the MAC address Nic hardware address of the specific host to the specific switch port). solution 3 is to bind the MAC address Nic hardware address of the specific host to the specific switch port at the same time) and IP address.1. solution 1-Port-based MAC Address binding Take the

) #frame-relay lmi-type Cisco Router (config-if) #frame-relay intf-type DCE Configure the PVC between two interfaces of the router Router (config) #inter S1/1 Router (config-if) #frame-relay Route Inter s1/2 301 Router (config-if) #frame-relay Route Inter S1/3 401 Router (config-if) #exit Router (config) #inter s1/2 Router (config-if) #frame-relay Route Inter S1/1 103 Router (config-if) #frame-rela

1. TELNET Remote logon Configuration 1. Configure the Logon account, password, and account level on the CISCO router, as shown below. The account name is abc, the password is abc123, And the account level is 15 to the highest level) R1 # configure terminal R1 (config) # username abc privilege 15 secret abc123 R1 (config) # end R1 # 2.

This document describes how to configure a Cisco switch in two ways, configures some ancillary services, and provides detailed configuration steps and configuration commands. There are two methods to configure a Cisco switch: 1. Console: You can directly configure a

-group 105No Bridge-group source-learningBridge-group spanning-disabled!Interface GigabitEthernet0.106Encapsulation dot1q 106No IP route-cacheBridge-group 106No Bridge-group 106 source-learningBridge-group 106 spanning-disabled!Interface GigabitEthernet0.107Encapsulation dot1q 107No IP route-cacheBridge-group 107No Bridge-group 107 source-learningBridge-group 107 spanning-disabled!Interface GigabitEthernet0

The configuration is as follows: IP DHCP pool yuanyiwushi-print//Configure DHCP Pool host 192.77.28.103 255.255.255.0//set to statically assign IP address client-i Dentifier 0100.1599.e02e.2b//Configure Mac, note here that Mac plus default-router 192.77.28.254 dns-server 192.77.16.1 8.8. 8.8 Lease infinite #show

Configure snmp for Cisco devices 1. Configure IOS devices (routers) config terminal enter global configuration status Cdp run enable CDPsnmp-server community gsunion ro configure the read-only string of this vro as gsunionsnmp-server community gsunion rw configure the read/w

customized within a Network as needed without application. In the network, computers communicate through internal IP addresses. When the internal computer needs to communicate with the external internet, the device with the NAT Function (such as a router) converts an internal IP address to a valid IP address (that is, the requested

Tags: Cisco MDS zone san Configure a Cisco MDS Optical Fiber storage switch (MDS multilayer Director Switch multi-layer optical fiber array switch)General process: 1: Create a vsan, add the port to vsan2: create a zone, add the port to zone3: Create a zoneset, add the zone to the set, and enable zoneset4: Enable all ports Use command line basic configuration

This is certainly not the first article on "Quick Guide to building a VPN using Cisco devices, however, we still hope that this guide will become an all-in-one guide for users who use ASA 5505 devices to set up VPN and connect to the Internet. The ASA itself has a setup wizard, but this wizard does not cover all aspects of work required by the user, and some steps are vague, making it difficult for the user to adapt. In fact, our work can be divided i

The importance of vro configuration is self-evident. Here we mainly analyze the Cisco router configuration statements in detail, and share them with you here, hoping to help you. Introduction to Cisco router configuration Cisco ios operating environment. ROM monitor> Failure of password recovery BootROM router (boot)> Flash image upgrade

Cisco switch VLAN interface IP Address Configuration 1. vswitch VLAN Interface static IP Address Configuration switch VLAN Interface static IP Address Configuration function requirements and networking description "Configure Environment Parameters" www.2cto.com 1. switchA is

This article uses a specific example to illustrate how to configure the access to ADSL through the vro. What problems should we pay attention to during access? The following articles will benefit you a lot. Note: In this case, a common adsl modem and a cisco 25001841) router (dual Ethernet port) and IOS 12.2 (15) T need to be used to connect to the China Telecom adsl PPPoE, able to achieve LAN Internet shar