如图所示 IS-IS 网络中 RTA 、 RTB 、RTC 配置如下:(含图)
RTAJisis
RTA-isis-1]is-level level-1
RTA-isis-1]network-entit01.1111.1111.1111.00
RTA-isis-1]interface serial 2/0 RTA-Serial2/0]isis enable 1
RTB]isis
RTB-isis-1]is-levellevel-1
RTB-isis-1]network-entit01.2222.2222.2222.00 RTB-isis-1]interface serial 1/0
RTB-Serial1/0]isis enable 1
RTB-Serial1/0]interface Ethernet 0/0 RTB-Ethernet0/0]isis enable 1
RTC]isis
RTC-isis-1]is-level level-1
RTC-isis-1]network-entit01.3333.3333.3333.00 RTC-isis-1]interface Ethernet 0/0
RTC-Ethernet0/0]isis enable 1
RTC-Ethernet0/0]interface Ethernet 0/1 RTC-Ethernet0/1]isis enable 1
各路由器路由稳定后,RTA 上 IS-IS 路由 192168.3.0/24 的开销是