TCP/IP路由技术卷一 实验一 RIP实验一

这个是我考CCIE r&s的时候的实验笔记，全部是基于卷一的。十分详细。喜欢可以学习一下。

CCIE　r&s

基础实验一 对RIP的深入研究一

 

注 实验中Flody 启用了环回接口 2.2.2 .2 Opie用了3.3.3.3

一．实验目的

1.复习RIP的基本配置

2.对RIP的更新报文的研究

3.对RIP的passive interface特点的研究

 

二实验开始a

 

1.基本配置及.对RIP更新机制的研究

Andy

en

conf t

host Andy

int fa0/0

ip add 192.168.83.1 255.255.255.0

no shu

int s1/1

ip add 172.17.2.1 255.255.255.0

no shu

int s1/0

ip add 172.17.1.1 255.255.255.0

no shu

int fa0/1

ip add 192.168.12.65 255.255.255.224

no shu

int lo1

ip add 10.1.2 .1 255.255.255.0

no shu

 

Barney

en

conf t

host Barney

int fa0/0

ip add 192.168.83.244 255.255.255.0

no shu

int lo1

ip add 10.1.1 .1 255.255.255.0

no shu

 

OPie

en

conf t

host  OPie

int s1/1

ip add 172.17.2.2 255.255.255.0

no shu

int lo1

ip add 10.1.3 .1 255.255.255.0

no shu

 

Goober

en

conf t

host Goober

int s1/0

ip add 172.17.1.2 255.255.255.0

no shu

int lo1

ip add 10.1.4 .1 255.255.255.0

no shu

 

Floyd

en

conf t

host Floyd

int fa0/0

ip add 192.168.12.66 255.255.255.224

no shu

int lo4

ip add 10.1.6 .1 255.255.255.0

no shu

 

Bea

en

conf t

host Bea

int fa0/0

ip add 192.168.12.67 255.255.255.224

no shu

int lo4

ip add 10.1.5 .1 255.255.255.0

no shu

l  在Bareny上激活RIP后 只生明环回接口时的debug ip rip event

Mar  1 00:13:33.555: RIP: add Loopback1 to RIP idb list   说明lo1 加入RIP

*Mar  1 00:13:33.559: RIP: sending request on Loopback1 to 255.255.255.255^Z向环回接口发送广播的请求报文

Barney# 

*Mar  1 00:13:35.555: RIP: sending v1 flash update to 255.255.255.255 via Loopback1 ( 10.1.1 .1) - suppressing null update 向环回接口发广播更新 （这时更新为空）

l  在Bareny及其它所有路由器(除环回外)激活RIP后

Barney#

*Mar  1 00:09:47.711: RIP: add FastEthernet0/0 to RIP idb list这时fa0/0加入RIP

*Mar  1 00:09:47.715: RIP: sending request on FastEthernet0/0 to 255.255.255.255

*Mar  1 00:09:48.343: %SYS-5-CONFIG_I: Configured from console by console

*Mar  1 00:09:49.711: RIP: sending v1 flash update to 255.255.255.255 via Loopback1 ( 10.1.1 .1)

*Mar  1 00:09:49.715: RIP: Update contains 1 routes 这时发给LO1的更新变成1 包涵了fa0/0

*Mar  1 00:09:49.715: RIP: Update queued

*Mar  1 00:09:49.715: RIP: sending v1 flash update to 255.255.255.255 via FastEthernet0/0 (192.168.83.244) - suppressing null update  从fa0/0发的更新为空

*Mar  1 00:09:49.723: RIP: Update sent via Loopback1

*Mar  1 00:09:55.783: RIP: sending v1 update to 255.255.255.255 via Loopback1 ( 10.1.1 .1)

*Mar  1 00:09:55.787: RIP: Update contains 1 routes

*Mar  1 00:09:55.787: RIP: Update queued

*Mar  1 00:09:55.791: RIP: Update sent via Loopback1

*Mar  1 00:10:10.163: RIP: sending v1 update to 255.255.255.255 via FastEthernet0/0 (192.168.83.244)

*Mar  1 00:10:10.167: RIP: Update contains 1 routes  从fa0/0发的更新为1

*Mar  1 00:10:10.167: RIP: Update queued

*Mar  1 00:10:10.167: RIP: Update sent via FastEthernet0/0

 

*Mar  1 00:18:35.523: RIP: sending v1 update to 255.255.255.255 via FastEthernet0/0 (192.168.83.244)

*Mar  1 00:18:35.527: RIP: Update contains 1 routes

*Mar  1 00:18:35.527: RIP: Update queued

*Mar  1 00:18:35.531: RIP: Update sent via FastEthernet0/0

*Mar  1 00:18:39.911: RIP: received v1 update from 192.168.83.1 on FastEthernet0/0

*Mar  1 00:18:39.915: RIP: Update contains 2 routes

*Mar  1 00:18:41.511: RIP: sending v1 update to 255.255.255.255 via Loopback1 ( 10.1.1 .1)

*Mar  1 00:18:41.515: RIP: Update contains 3 routes

*Mar  1 00:18:41.515: RIP: Update queued

*Mar  1 00:18:41.515: RIP: Update sent via Loopback1

 

 

*Mar  1 00:32:44.523: RIP: sending v1 update to 255.255.255.255 via FastEthernet0/0 (192.168.83.244)

*Mar  1 00:32:44.527: RIP: Update contains 1 routes

*Mar  1 00:32:44.527: RIP: Update queued

*Mar  1 00:32:44.531: RIP: Update sent via FastEthernet0/0

*Mar  1 00:32:56.471: RIP: sending v1 update to 255.255.255.255 via Loopback1 ( 10.1.1 .1)

*Mar  1 00:32:56.475: RIP: Update contains 4 routes 这时从环回口发出的更新有4条 一条为fa0/0 的 192.168.12.0 172.17.0.0  2.0.0 .0（在flody 的环回接口 ）

*Mar  1 00:32:56.475: RIP: Update queued

*Mar  1 00:32:56.475: RIP: Update sent via Loopback1

*Mar  1 00:33:05.527: RIP: received v1 update from 192.168.83.1 on FastEthernet0/0

*Mar  1 00:33:05.531: RIP: Update contains 3 routes  这时的更新有3条消息 没有fa0/0的详见包结构

*Mar  1 00:33:13.675: RIP: sending v1 update to 255.255.255.255 via FastEthernet0/0 (192.168.83.244)

*Mar  1 00:33:13.679: RIP: Update contains 1 routes

l  Opie上的show ip rip 输出

*Mar  1 00:41:31.815: RIP: sending v1 update to 255.255.255.255 via Serial1/1 (172.17.2.2)

*Mar  1 00:41:31.815: RIP: build update entries - suppressing null update由于只有s1/1通告rip故该更新包为空

*Mar  1 00:41:42.807: RIP: received v1 update from 172.17.2.1 on Serial1/1

*Mar  1 00:41:42.811:      2.0.0 .0 in 2 hops

*Mar  1 00:41:42.811:      172.17. 1.0 in 1 hops

*Mar  1 00:41:42.815:      192.168. 12.0 in 1 hops

*Mar  1 00:41:42.815:      192.168. 83.0 in 1 hops

l  Floyd上的 show ip rip 输出

*Mar  1 00:46:15.731: RIP: sending v1 update to 255.255.255.255 via FastEthernet0/0 (192.168.12.66)

*Mar  1 00:46:15.731: RIP: build update entries

*Mar  1 00:46:15.735:   network 2.0.0 .0 metric 1

*Mar  1 00:46:20.555: RIP: sending v1 update to 255.255.255.255 via Loopback1 ( 2.2.2 .2)

*Mar  1 00:46:20.555: RIP: build update entries

*Mar  1 00:46:20.559:   network 172.17.0.0 metric 1

*Mar  1 00:46:20.559:   network 192.168.12.0 metric 1

*Mar  1 00:46:20.563:   network 192.168.83.0 metric 1

*Mar  1 00:46:36.107: RIP: received v1 update from 192.168.12.65 on FastEthernet0/0

*Mar  1 00:46:36.111:      172.17. 0.0 in 1 hops

*Mar  1 00:46:36.111:      192.168. 83.0 in 1 hops

l  Barney上的show ip rip 输出

*Mar  1 00:51:57.727: RIP: sending v1 update to 255.255.255.255 via Loopback1 ( 10.1.1 .1)

*Mar  1 00:51:57.727: RIP: build update entries  这时该更新发给lo1 所以这时

*Mar  1 00:51:57.731:   network 2.0.0 .0 metric 3

*Mar  1 00:51:57.731:   network 172.17.0.0 metric 1

*Mar  1 00:51:57.735:   network 192.168.12.0 metric 1

*Mar  1 00:51:57.735:   network 192.168.83.0 metric 1

*Mar  1 00:52:01.323: RIP: sending v1 update to 255.255.255.255 via FastEthernet0/0 (192.168.83.244)

*Mar  1 00:52:01.323: RIP: build update entries                  

*Mar  1 00:52:01.327:   network 10.0.0 .0 metric 1

*Mar  1 00:52:04.791: RIP: received v1 update from 192.168.83.1 on FastEthernet0/0

*Mar  1 00:52:04.795:      2.0.0 .0 in 2 hops  这是andy发给我的更新包的内容

*Mar  1 00:52:04.795:      172.17. 0.0 in 1 hops

*Mar  1 00:52:04.799:      192.168. 12.0 in 1 hops

Barney#show ip route

R    192.168.12.0/24 [120/1] via 192.168.83.1, 00:00:07, FastEthernet0/0

R    2.0.0 .0/8 [120/2] via 192.168.83.1, 00:00:07, FastEthernet0/0

R    172.17.0.0/16 [120/1] via 192.168.83.1, 00:00:07, FastEthernet0/0

C    192.168.83.0/24 is directly connected, FastEthernet0/0

     10.0.0 .0/24 is subnetted, 1 subnets

C       10.1.1 .0 is directly connected, Loopback1

l  在Opie上启用环回接口 3.3.3 .3后 debug ip rip 后

OPie#debug ip rip

RIP protocol debugging is on

OPie#

*Mar  1 01:07:07.815: RIP: sending v1 update to 255.255.255.255 via Serial1/1 (172.17.2.2)

*Mar  1 01:07:07.819: RIP: build update entries

*Mar  1 01:07:07.819:   network 3.0.0 .0 metric 1       这是从s1/1发出去的更新包在本路由器上的构建

*Mar  1 01:07:14.311: RIP: sending v1 update to 255.255.255.255 via Loopback3 ( 3.3.3 .3)

*Mar  1 01:07:14.311: RIP: build update entries

*Mar  1 01:07:14.315:   network 2.0.0 .0 metric 3

*Mar  1 01:07:14.315:   network 172.17.0.0 metric 1

*Mar  1 01:07:14.319:   network 192.168.12.0 metric 1

*Mar  1 01:07:14.319:   network 192.168.83.0 metric 1

*Mar  1 01:07:20.647: RIP: received v1 update from 172.17.2.1 on Serial1/1

*Mar  1 01:07:20.651:      2.0.0 .0 in 2 hops

*Mar  1 01:07:20.651:      172.17. 1.0 in 1 hops

*Mar  1 01:07:20.655:      192.168. 12.0 in 1 hops

*Mar  1 01:07:20.655:      192.168. 83.0 in 1 hops

2.本实验中非连续子网的探讨

此时只有Barney的 10.1.1 .1通告rip

Andy#show ip route

 

     192.168.12.0/27 is subnetted, 1 subnets

C       192.168.12.64 is directly connected, FastEthernet0/1

R    2.0.0 .0/8 [120/1] via 192.168.12.66, 00:00:14, FastEthernet0/1

R    3.0.0 .0/8 [120/1] via 172.17.2.2, 00:00:26, Serial1/1

     172.17.0.0/24 is subnetted, 2 subnets

C       172.17.1.0 is directly connected, Serial1/0

C       172.17.2.0 is directly connected, Serial1/1

C    192.168.83.0/24 is directly connected, FastEthernet0/0

     10.0.0 .0/24 is subnetted, 1 subnets

C       10.1.2 .0 is directly connected, Loopback1

Andy#show ip route 10.0.0 .0

Routing entry for 10.0.0 .0/24, 1 known subnets

  Attached (1 connections)

C       10.1.2 .0 is directly connected, Loopback1

这时Andy是ping不通 10.1.1 .1的 因为Barney是10.1.1.1的主网络边界 这时Barneny发的更新是10.0.0.0所以Andy不会写入路由表

3.Andy上passive-interface 的研究

 

*Dec 11 08:05:26.183: RIP: received v1 update from 172.17.2.2 on Serial1/1

*Dec 11 08:05:26.187:      3.0.0 .0 in 1 hops

*Dec 11 08:05:27.495: RIP: sending v1 update to 255.255.255.255 via Serial1/1 (172.17.2.1)

*Dec 11 08:05:27.495: RIP: build update entries

*Dec 11 08:05:27.499:   network 2.0.0 .0 metric 2

*Dec 11 08:05:27.499:   subnet 172.17.1.0 metric 1

*Dec 11 08:05:27.503:   network 192.168.12.0 metric 1

*Dec 11 08:05:27.503:   network 192.168.83.0 metric 1

*Dec 11 08:05:29.507: RIP: sending v1 update to 255.255.255.255 via FastEthernet0/0 (192.168.83.1)向fa0/0发出了更新

*Dec 11 08:05:29.511: RIP: build update entries

*Dec 11 08:05:29.515:   network 2.0.0 .0 metric 2

*Dec 11 08:05:29.515:   network 3.0.0 .0 metric 2

*Dec 11 08:05:29.519:   network 172.17.0.0 metric 1

*Dec 11 08:05:29.519:   network 192.168.12.0 metric 1

*Dec 11 08:05:30.295: RIP: sending v1 update to 255.255.255.255 via FastEthernet0/1 (192.168.12.65)

*Dec 11 08:05:30.295: RIP: build update entries

*Dec 11 08:05:30.295:   network 3.0.0 .0 metric 2

*Dec 11 08:05:30.295:   network 172.17.0.0 metric 1

*Dec 11 08:05:30.295:   network 192.168.83.0 metric 1

在fa0/0上启用passive-interface 后

*Dec 11 08:05:55.035: RIP: sending v1 update to 255.255.255.255 via Serial1/1 (172.17.2.1)

*Dec 11 08:05:55.039: RIP: build update entries

*Dec 11 08:05:55.039:   network 2.0.0 .0 metric 2

*Dec 11 08:05:55.043:   subnet 172.17.1.0 metric 1

*Dec 11 08:05:55.043:   network 192.168.12.0 metric 1

*Dec 11 08:05:55.043:   network 192.168.83.0 metric 1

*Dec 11 08:05:55.719: RIP: received v1 update from 172.17.2.2 on Serial1/1

*Dec 11 08:05:55.723:      3.0.0 .0 in 1 hops

*Dec 11 08:05:56.947: RIP: sending v1 update to 255.255.255.255 via FastEthernet0/1 (192.168.12.65)

*Dec 11 08:05:56.947: RIP: build update entries

*Dec 11 08:05:56.947:   network 3.0.0 .0 metric 2

*Dec 11 08:05:56.947:   network 172.17.0.0 metric 1

*Dec 11 08:05:56.951:   network 192.168.83.0 metric 1

*Dec 11 08:06:03.079: RIP: sending v1 update to 255.255.255.255 via Serial1/0 (172.17.1.1)

*Dec 11 08:06:03.083: RIP: build update entries

*Dec 11 08:06:03.087:   network 2.0.0 .0 metric 2

*Dec 11 08:06:03.087:   network 3.0.0 .0 metric 2

*Dec 11 08:06:03.091:   subnet 172.17.2.0 metric 1

*Dec 11 08:06:03.091:   network 192.168.12.0 metric 1

*Dec 11 08:06:03.095:   network 192.168.83.0 metric 1 不再向fa0/0发送更新

 

l  在Flody上启用 2.2.2 .2后

不难发现Andy负载均衡

Andy#traceroute 2.2.2 .2

 

Type escape sequence to abort.

Tracing the route to 2.2.2 .2

 

  1 192.168.12.67 56 msec

    192.168.12.66 28 msec

192.168.12.67 56 msec