TE主要协议的技术注意事项.doc

TE 考点整理 一 . 排错方法 1. 分层 2. 分块 3. 分段 4. 替换 二 . 考点整理 1. PPP （CHAP认证） + Mp捆绑 [R1]display interface Serial 0/2/2 Serial0/2/2 current state: UP Line protocol current state: UP Description: Serial0/2/2 Interface The Maximum Transmit Unit is 1500, Hold timer is 10(sec) Internet Address is 10.1.12.10/24 Primary Link layer protocol is PPP LCP opened, IPCP opened Output queue : (Urgent queuing : Size/Length/Discards) 0/50/0 Output queue : (Protocol queuing : Size/Length/Discards) 0/500/0 Output queue : (FIFO queuing : Size/Length/Discards) 0/75/0 Interface is V35 R1display interface s0/2/2 Serial0/2/2 current state: UP Line protocol current state: UP Description: Serial0/2/2 Interface The Maximum Transmit Unit is 1500, Hold timer is 10(sec) Internet protocol processing : disabled Link layer protocol is PPP LCP opened, MP opened Output queue : (Urgent queuing : Size/Length/Discards) 0/50/0 Output queue : (Protocol queuing : Size/Length/Discards) 0/500/0 Output queue : (FIFO queuing : Size/Length/Discards) 0/75/0 Interface is V35 R1display interface Mp-group 1 Mp-group1 current state: UP Line protocol current state: UP Description: Mp-group1 Interface The Maximum Transmit Unit is 1500, Hold timer is 10(sec) Internet Address is 10.1.12.1/30 Primary Link layer protocol is PPP LCP opened, MP opened, IPCP opened Physical is MP, baudrate: 128000 bps Output queue : (Urgent queuing : Size/Length/Discards) 0/50/0 Output queue : (Protocol queuing : Size/Length/Discards) 0/500/0 Output queue : (FIFO queuing : Size/Length/Discards) 0/75/0 图为PPP协商过程 LCP?AUTH?NCP CHAP: 1. 被验证方使用本地用户及密码进行验证 2. 被验证方使用默认CHAP密码进行验证 [R1]display current-configuration configuration luser local-user R2 pass sim h3cte12345 service-type ppp 2. VLAN （access trunk） Access: 只允许缺省VLAN通过，仅接收和发送一个VLAN的数据帧 一般用于连接用户设备 Trunk: 允许多个VLAN通过，可以接收和发送多个VLAN的数据帧 缺省VLAN的以太网帧不带标签 一般用于交换机之间连接 单台交换机 不能够直接通讯: Vlan 间路由 （L2SW） 2. Vlan路由（+L2SW）） 1. 单臂路由 L 1. 创建vlan信息