# 9/20 Records of the lecture ###### tags: `Networking` `cisco` > [TOC] # Remote login ## Telnet ``` line vty 0 4 #vty (vitual teletype terminal) password meowhecker #set local passwork is meowhecker login #use the password to do remote login transport input telnet #use telnet servic ``` R1 ![](https://i.imgur.com/5jhAYUZ.png) R2 ``` telnet 192.168.1.1 ``` ![](https://i.imgur.com/PQmea2D.png) We already login success ## SSH(Secure Shell OpenSSH is a standard protocol for security terminal connections. Configure the host username and password. ``` r1(config)#username meowhecker privilege 15 password meowhecker r1(config)#username meow privilege 15 secret meow r1(config)#enable secret meow r1(config)#enable password meowhecker ``` Show runing-configure ``` r1#show running-config ``` ![](https://i.imgur.com/JNbPXPR.png) Configure cryptographic way ``` r1(config)#ip domain-name meowhecker.com r1(config)#crypto key generate rsa ``` start SSH connection ``` r1(config)#ip ssh version 2 r1(config)#line vty 0 4 r1(config-line)#login local r1(config-line)#tran r1(config-line)#transport inp r1(config-line)#transport input ssh ``` R2->R1 ![](https://i.imgur.com/1hLrJl7.png) ## show vty information ``` do show run | s line vty ``` # Router Interface ## Logical Interface Logical interface isn't like the cable having the physical body, it's abstract and virtual. [Homework Loopback Interface](/IAsvOSjeQ_S5bhfkmgCTSg) ### Configure loopback ![](https://i.imgur.com/Fu5FAmL.png) ![](https://i.imgur.com/Z5h9cQz.png) # Static Routing ![](https://i.imgur.com/a83uoVE.png) ## Use DHCP to automatically set Ip address ![](https://i.imgur.com/eY2NwKg.png) ![](https://i.imgur.com/ejoeHKn.png) ![](https://i.imgur.com/FBUmoVT.png) ## Configure Static Routing ![](https://i.imgur.com/Jwz181w.png) ![](https://i.imgur.com/c6KcE6A.png) ![](https://i.imgur.com/Mj5loxo.png) Ping host ![](https://i.imgur.com/LZIb3w7.png)