
    ӭʹ VPCS, °汾Ϊ 0.5b2.

    VPCS  BSD ɵַ
    ԴЭԴ vpcs.sf.net ȡ
    Ϣ wiki.freecode.com.cn.
   
    VPCS ģ 9  PC ping/traceroute Щ PC
Щ PC  ping/traceroute ·ȻЩ PC
ȫϵ PCֻһ Linux  Windows ϵӦó򣬽
ʹйڽ Dynamips ѧϰ Cisco 豸ĹУ
𵽷ǳİʵг䵱 PC ·ʹ Vmware 
 PCͨЩ߻ռôڴ CPU Դ

   VPCS  UDP ̫ģʽ UDP ʽ£VPCS ͨ UDP ͺͽ
ݰ̫ʽ£ʹ /dev/tapx ͺͽݰ Windows ֻ֧
 UDP ʽ

    VPCS  ȱʡ 20000  20008  UDP ˿ڣ 30000  
30008 ݰûָļҵǰĿ¼´ȱʡļ
ļΪstartup.vpcVPCS ͻԶļִа
startup.vpc ԰Ϊ VPCS ڲ

   VPCS ѡ
   usage: vpcs [options] [scriptfile]
   Option:
       -h         print this help then exit
       -v         print version information then exit
   
       -i num     number of vpc instances to start (default is 9)
       -p port    run as a daemon listening on the tcp 'port'
       -m num     start byte of ether address, default from 0
       -r file    load and execute script file
                  compatible with older versions, DEPRECATED.
   
       -e         tap mode, using /dev/tapx (linux only)
       -u         udp mode, default
   
   udp mode options:
       -s port    local udp base port, default from 20000
       -c port    remote udp base port (dynamips udp port), default from 30000
       -t ip      remote host IP, default 127.0.0.1
   
   tap mode options:
       -d device  device name, works only when -i is set to 1

   hypervisor mode option:
    -H port    run as the hypervisor listening on the tcp 'port'
    
     If no 'scriptfile' specified, vpcs will read and execute the file named
     'startup.vpc' if it exsits in the current directory.


   ע⣺
   1. VPCS ʹõ cygwin1.dll  cygwin1.dll ݡһϵͳ
      ֻ°汾ġ
   2. ̨ģʽʱtelnet LINEMODEΪ'һδһַ'
      'telnet> mode character'

վ㣺http://wiki.freecode.com.cn  http://mirnshi.cublog.cn

ʷ汾
   0.5b2   ޶ʹgetenv+accessʽȡVPCSʵ·
           Debian GNU/kFreeBSDĲDaniel Lintott
           echoʱˢ
           tcpỰСtcpʱ
           ޶ԴMACַδ浽arp

   0.5b1   ֧vpc
           ֧TAP豸ֻ1VPC
           loadsave֧ȱʡļ

   0.5b0   ֧hypervisor
   
   0.4b2   ֧DNS
           ֧ݰЭʾ
           ֧Զ̵¼豸ȼ
           ǿ޶
           
   0.4a    Ӻ̨ģʽ
   0.3     BSD
   0.20a   һǿIPv6֧LinkLocal״̬Զãֹeui-64
           ָ֧pingʵtcpӵرյ״̬
           ֱ֧/
           ֧ʷԶ/
           
   0.16a   ֧IPv6
   0.15a   DHCPȡIPַ
           ַʱԲָصַ
   0.14g   ޶tracerouteѭ
   0.14f   ޶tracerouteTTL
   0.14e   ޶echotracerouteд
   0.14d   ޶Arp󣬴ؽ㲥ַΪԴַӦArp  
   0.14c   ޶TTLΪ64  
   0.14b   ޶ I/O д
   0.14a    arp ʾǰ arp 120Ĺˢ
            echo Զ udp/tcp ݰڲ
           ACL ǱȽõġ
           ޶ͬȽϴ
   0.13a    ping/tracert  IP Ӧ
           ޶ ping κ IPڴ
   0.12s   ޶ tracert 
   0.10s   ֧ udp ʽ
   0.02s   ޶һַ
   0.01s   ʼ汾
   