【正文】 00 00 54 02 83 00 00 FF 01 99 22 14 01 01 01 從接口收到的數(shù)據(jù)包經(jīng)過(guò) GRE封裝（協(xié)議號(hào) 47） 舉例一（ debug信息） debug ip raw PING (): 56 data bytes ! 1 packets transmitted, 1 packets received, 0% packet loss A202111 04:58:07 IP Tunnel1: TX src=, dst=, len=84, gate= 45 00 00 54 03 D2 00 00 FF 01 97 D3 0A 01 01 0114 01 01 01 08 00 5D D3 00 1D 00 00 49 DA 5B 26 04 05 06 07 08 09 0A 0B 202111 04:58:07 IP FastEther0/0: TX src=, dst=, len=108, gate= 45 00 00 6C 03 D4 00 00 FF 2F B3 8A 01 01 01 0101 01 01 02 00 00 08 00 45 00 00 54 03 D2 00 00 FF 01 97 D3 0A 01 01 01 －－－－－ 從接口發(fā)出去的數(shù)據(jù)包經(jīng)過(guò) GRE封裝（協(xié)議號(hào) 47） 202111 04:58:07 IP FastEther0/0: RX src=, dst=, len=108 45 00 00 6C 02 85 00 00 FF 2F B4 D9 01 01 01 02 01 01 01 01 00 00 08 00 45 00 00 54 02 83 00 00 FF 01 99 22 14 01 01 01 －－－－－ 從接口收到的數(shù)據(jù)包經(jīng)過(guò) GRE封裝（協(xié)議號(hào) 47） 202111 04:58:07 IP Tunnel1: RX src=, dst=, len=84 45 00 00 54 02 83 00 00 FF 01 99 22 14 01 01 010A 01 01 01 00 00 65 D3 00 1D 00 00 49 DA 5B 26 04 05 06 07 08 09 0A 0B GRE19 舉例二 跨設(shè)備間的 GRE T0 T0 F0/0 F0/0 L0 E1/1 L0 2750 1750 A F0/0 ? 確保 PING通 ? 修改路由配置、添加 Tunnel口 ? 驗(yàn)證 Tunnel口 PING通 GRE20 舉例二（配置 2750） F0/0 T0 F0/0 F0/0 L0 L0 2750 A T0 E1/1 1750 hostname 2750 ! interface Loopback0 ip address ! interface FastEther0/0 ip address ! ip route ! GRE21 舉例二（配置 2750 續(xù)） interface Tunnel0 ip address tunnel source tunnel destination tunnel key 123456 ! router rip work work version 2 ! GRE22 舉例二（配置 1750） F0/0 T0 F0/0 F0/0 L0 L0 2750 A T0 E1/1 1750 hostname 1750 ! interface FastEther0/0 ip address ! interface Ether1/1 ip address ! GRE23 舉例二（配置 A） F0/0 T0 F0/0 F0/0 L0 L0 2750 A T0 E1/1 1750 hostname A ! interface Loopback0 ip address ! interface FastEther0/0 ip address ! ip route ! GRE24 舉例二（配置 A 續(xù)） interface Tunnel0 ip address tunnel source tunnel destination tunnel key 123456 ! router rip work work version 2 ! GRE25 舉例二（ show 信息） Ash ip rout