RFC2113 - IP Router Alert Option
Network Working Group D. Katz Request for Comments: 2113 cisco Systems Category: Standards Track F
Network Working Group C. Partridge Request for Comments: 2711 BBN Category: Standards Track A. Jac
Network Working Group G. Malkin Request for Comments: 1393 Xylogics, Inc. January 1993 Tracerout
Network Working Group M. St. Johns Request for Comments: 1038 IETF January 1988 Draft Revised IP S
RFC781 Zaw-Sing Su SRI May 1981 A SPECIFICATION OF THE INTERNET PROTOCOL (IP) TIMESTAMP OPTION I.
在Router里有这样一条命令：auto secure，这个命令用起来比较方便，而且可以关闭一些不安全的服务和启用一些安全的服务。然后对这个命令做了一个总结。(注：ios版本为：12.3(1)以上
OSPF DR(Designated Router)点击查看大图
Cisco 1003,4500,7500系列恢复口令基本步骤: 1.连接到终端上. 2.用"show version"命令记录配置寄存器值.它通常是0x2102或0x102.
Cisco Router MemoryRouter Memory All numbers for Table 1a/b/c are for internal DRAM/Flash only. For Flash Cards
记得以前曾在network版争论过Routing Switch与Switching Router的问题（不知是否有记错），既然前面的文章也提到了交换路由器，不妨在这里也讨论一下Routing Sw