【正文】
? 理解 RIP v2 支持缺省路由, VLSM和路由匯總 ? 理解 VLSM 怎么使網(wǎng)絡(luò)更有效。在匯總路由出現(xiàn)在 BBR1 之前,你可能看到許多路由,但是最終的顯示應(yīng)該與下列類似: BBR1sh ip route Codes: C connected, S static, I IGRP, R RIP, M mobile, B BGP D EIGRP, EX EIGRP external, O OSPF, IA OSPF inter area N1 OSPF NSSA external type 1, N2 OSPF NSSA external type 2 E1 OSPF external type 1, E2 OSPF external type 2, E EGP i ISIS, L1 ISIS level1, L2 ISIS level2, ia ISIS inter area * candidate default, U peruser static route, o ODR Gateway of last resort is not set , 1 subs C is directly connected, Serial0 S [1/0] via , 2 subs, 2 masks R [120/1] via , 00:00:02, Serial0 [120/1] via , 00:00:02, Serial0 C , Ether0 S [1/0] via BBR1 第四步:使用 show ip protocols 命令檢查 RIP 的詳細(xì)操作。你可能需要等待一些時(shí)間。你需要在哪里輸入適當(dāng)?shù)拿钅兀? 第三步:再一次查看 BBR1 的路由表。 路由匯總限制更新數(shù)據(jù)包和最小化路由器的路由表。所有的你的路由器所有的網(wǎng)絡(luò)都應(yīng)該列表在 BBR1 的路由表中,你的顯示應(yīng)該和下列類似: BBR1sh ip route Codes: C connected, S static, I IGRP, R RIP, M mobile, B BGP D EIGRP, EX EIGRP external, O OSPF, IA OSPF inter area N1 OSPF NSSA external type 1, N2 OSPF NSSA external type 2 E1 OSPF external type 1, E2 OSPF external type 2, E EGP i ISIS, L1 ISIS level1, L2 ISIS level2, ia ISIS inter area * candidate default, U peruser static route, o ODR Gateway of last resort is not set , 1 subs C is directly connected, Serial0 S [1/0] via , 3 subs R [120/1] via , 00:00:08, Serial0 R [120/1] via , 00:00:08, Serial0 R [120/1] via , 00:00:07,