Password limits device access over telnet note in

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password - Limits device access over Telnet Note: In most of the labs in this course, we will be using simple passwords such as cisco or class .
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Presentation_ID 17 © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential Saving Configurations Capturing Text
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Presentation_ID 18 © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential Ports and Addresses IP Addressing in the Large Each end device on a network must be configured with an IP address Structure of an IPv4 address is called dotted decimal 十进制 IP address displayed in decimal notation 符号 , with four decimal numbers between 0 and 255 With the IP address, a subnet 子网络 mask 掩码 is also necessary IP addresses can be assigned 指派 to both physical ports and virtual interfaces
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Presentation_ID 19 © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential Addressing Devices Configuring a Switch Virtual Interface IP address - together with subnet mask 子网掩码 , uniquely identifies end device on internetwork Subnet mask – determines 确定 which part of a larger network is used by an IP address interface VLAN 1 - interface configuration mode Ip address 192.168.10.2 255.255.255.0 - configures the IP address and subnet mask for the switch no shutdown – administratively 管理上 enables the interface Switch still needs to have physical ports configured and VTY lines to enable remote management
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Presentation_ID 20 © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential Verifying Connectivity Test the Loopback Address on an End Device
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