发布时间:2013-07-10 11:06:05
Command for CatOS Version 8.x for Cat4000 and Cat6000 Switches:Switch (enable)show sprom {mod/port} | include Vendor SNCommand for CatOS Version other than 8.x for Cat4000 and Cat6000 Switches:Switch (enable)show sprom {mod/port}Command for IOS for Cat6500 Switch:.........【阅读全文】
发布时间:2013-07-09 09:51:50
1,直连交换机上查看端口信息,得出MACIDC-2960G48-B11-103#sh mac address-table interface gi0/36 Mac Address Table-------------------------------------------Vlan Mac Address Type &.........【阅读全文】
发布时间:2013-07-04 10:12:54
1.1 数据报文分层如下图所示,对于四层网络结构,其不同层次完成不通功能。每一层次有众多协议组成。如上图所示在Sniffer的解码表中分别对每一个层次协议进行解码分析。链路层对应“DLC”;网络层对应“IP”;传输层对应“UDP”;应用层对对 应的是“NETB”等高层协议。Sniffer可以针对众多协议进行详.........【阅读全文】
发布时间:2013-07-02 12:09:30
TOP <R1>---------<R2>看来与单纯的ipsec配置改动不大,但GRE可以支持广播与组播。R1配置:crypto isakmp policy 1encr 3deshash md5authentication pre-sharegroup 2lifetime 3600crypto isakmp key cisco address 211.1.1.2!!crypto ipsec transform-set esp-tunnel esp-3des esp-md5.........【阅读全文】
发布时间:2013-07-01 10:12:54
在B4查看策略路由debug输出:*Mar 1 04:08:31.270: IP: Serial1 to Serial0 .3*Mar 1 04:08:31.334: IP: s=.1 (Serial1), d=3.3.3.3, len 100, policy match*Mar 1 04:08:31.338: IP: route map to-B9, item 10, permit*Mar 1 04:08:31.342: IP: s=.1 (Serial1), d=3.3.3.3 (Serial0).........【阅读全文】