CCNP之BSCI部分实验1：EIGRP基本配置和邻接

CCNP之BSCI部分实验1：EIGRP基本配置和邻接

实验目的：

1.       配置简单的EIGRP

2.       检查EIGRP邻接

3.       查看EIGRP路由信息的改变

4.       用DEBUG命令进行排错

实验拓扑：如图

 

 实验步骤：

 

r1(config)#int loo 1

r1(config-if)#ip add

*Mar  1 00:02:31.455: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback1, changed state to up

r1(config-if)#ip add 1.1.1.1 255.255.255.0

r1(config-if)#description engineering department

r1(config-if)#int f1/0

r1(config-if)#ip add 172.16.1.1 255.255.255.0

r1(config-if)#no sh

r1(config-if)#

*Mar  1 00:03:51.347: %LINK-3-UPDOWN: Interface FastEthernet1/0, changed state to up

*Mar  1 00:03:52.347: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/0, changed state to up

r1(config-if)#do sh ip int b检查接口的状态是否正常

Interface                  IP-Address      OK? Method Status                Protocol

Serial0/0                  unassigned      YES unset  administratively down down   

Serial0/1                  unassigned      YES unset  administratively down down   

Serial0/2                  unassigned      YES unset  administratively down down   

Serial0/3                  unassigned      YES unset  administratively down down   

FastEthernet1/0            172.16.1.1      YES manual up                    up     

Loopback1                  1.1.1.1         YES manual up                    up     

r1(config-if)#do ping 172.16.1.2用PING命令测试各路由器之间是否可以正常通讯

 

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 172.16.1.2, timeout is 2 seconds:

.!!!!

Success rate is 80 percent (4/5), round-trip min/avg/max = 8/27/52 ms

r1(config-if)#do ping 172.16.1.3

 

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 172.16.1.3, timeout is 2 seconds:

.!!!!

Success rate is 80 percent (4/5), round-trip min/avg/max = 8/31/52 ms

r1(config-if)#exit

r1(config)#router eigrp 1  启动EIGRP

r1(config-router)#no auto 关闭自动汇总

r1(config-router)#net 172.16.0.0 发布

r1(config-router)#net 1.0.0.0   EIGRP的基本配置

r1(config-router)#

*Mar  1 00:08:40.983: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: Neighbor 172.16.1.3 (FastEthernet1/0) is up: new adjacency

r1(config-router)#

*Mar  1 00:08:59.959: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: Neighbor 172.16.1.2 (FastEthernet1/0) is up: new adjacency邻接已经建立

r1(config-router)#do debug eigrp packets用debug eigrp packets来查看EIGRP的HELLO包发送情况，注意在那些端口上发送，发送间隔是多少。注意到路由器会忽略在自己的环回口上发到的数据。

EIGRP Packets debugging is on

    (UPDATE, REQUEST, QUERY, REPLY, HELLO, IPXSAP, PROBE, ACK, STUB, SIAQUERY, SIAREPLY)

r1(config-router)#

*Mar  1 00:09:21.223: EIGRP: Sending HELLO on Loopback1

*Mar  1 00:09:21.223:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0

*Mar  1 00:09:21.227: EIGRP: Received HELLO on Loopback1 nbr 1.1.1.1

*Mar  1 00:09:21.231:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0

*Mar  1 00:09:21.231: EIGRP: Packet from ourselves ignored

r1(config-router)#

*Mar  1 00:09:23.067: EIGRP: Received HELLO on FastEthernet1/0 nbr 172.16.1.3

*Mar  1 00:09:23.071:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0

*Mar  1 00:09:23.075: EIGRP: Sending HELLO on FastEthernet1/0

*Mar  1 00:09:23.075:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0

*Mar  1 00:09:23.263: EIGRP: Received HELLO on FastEthernet1/0 nbr 172.16.1.2

*Mar  1 00:09:23.267:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0

r1(config-router)#

*Mar  1 00:09:26.027: EIGRP: Sending HELLO on Loopback1

*Mar  1 00:09:26.027:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0

*Mar  1 00:09:26.031: EIGRP: Received HELLO on Loopback1 nbr 1.1.1.1

*Mar  1 00:09:26.035:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0

*Mar  1 00:09:26.035: EIGRP: Packet from ourselves ignored

r1(config-router)#

*Mar  1 00:09:27.683: EIGRP: Received HELLO on FastEthernet1/0 nbr 172.16.1.3

*Mar  1 00:09:27.687:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0

*Mar  1 00:09:27.835: EIGRP: Received HELLO on FastEthernet1/0 nbr 172.16.1.2

*Mar  1 00:09:27.839:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0

*Mar  1 00:09:27.931: EIGRP: Sending HELLO on FastEthernet1/0

*Mar  1 00:09:27.931:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0

r1(config-router)#

*Mar  1 00:09:30.719: EIGRP: Sending HELLO on Loopback1

*Mar  1 00:09:30.719:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0

*Mar  1 00:09:30.723: EIGRP: Received HELLO on Loopback1 nbr 1.1.1.1

*Mar  1 00:09:30.723:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0

*Mar  1 00:09:30.727: EIGRP: Packet from ourselves ignored

r1(config-router)#

*Mar  1 00:09:32.439: EIGRP: Received HELLO on FastEthernet1/0 nbr 172.16.1.2

*Mar  1 00:09:32.443:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0

*Mar  1 00:09:32.527: EIGRP: Received HELLO on FastEthernet1/0 nbr 172.16.1.3

*Mar  1 00:09:32.531:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0

*Mar  1 00:09:32.587: EIGRP: Sending HELLO on FastEthernet1/0

*Mar  1 00:09:32.587:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0

r1(config-router)#

*Mar  1 00:09:35.183: EIGRP: Sending HELLO on Loopback1

*Mar  1 00:09:35.183:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0

*Mar  1 00:09:35.187: EIGRP: Received HELLO on Loopback1 nbr 1.1.1.1

*Mar  1 00:09:35.187:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0

*Mar  1 00:09:35.191: EIGRP: Packet from ourselves ignored

r1(config-router)#

*Mar  1 00:09:36.927: EIGRP: Received HELLO on FastEthernet1/0 nbr 172.16.1.3

*Mar  1 00:09:36.931:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0

*Mar  1 00:09:37.235: EIGRP: Received HELLO on FastEthernet1/0 nbr 172.16.1.2

*Mar  1 00:09:37.239:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0

*Mar  1 00:09:37.287: EIGRP: Sending HELLO on FastEthernet1/0

*Mar  1 00:09:37.287:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0

r1(config-router)#

*Mar  1 00:09:40.135: EIGRP: Sending HELLO on Loopback1

*Mar  1 00:09:40.135:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0

*Mar  1 00:09:40.139: EIGRP: Received HELLO on Loopback1 nbr 1.1.1.1

*Mar  1 00:09:40.143:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0

*Mar  1 00:09:40.143: EIGRP: Packet from ourselves ignored

r1(config-router)#

*Mar  1 00:09:41.747: EIGRP: Received HELLO on FastEthernet1/0 nbr 172.16.1.3

*Mar  1 00:09:41.751:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0

*Mar  1 00:09:41.991: EIGRP: Received HELLO on FastEthernet1/0 nbr 172.16.1.2

*Mar  1 00:09:41.995:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0

*Mar  1 00:09:42.159: EIGRP: Sending HELLO on FastEthernet1/0

*Mar  1 00:09:42.159:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0

r1(config-router)#

*Mar  1 00:09:44.955: EIGRP: Sending HELLO on Loopback1

*Mar  1 00:09:44.955:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0

*Mar  1 00:09:44.959: EIGRP: Received HELLO on Loopback1 nbr 1.1.1.1

*Mar  1 00:09:44.959:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0

*Mar  1 00:09:44.963: EIGRP: Packet from ourselves ignored

r1(config-router)#do u

*Mar  1 00:09:46.143: EIGRP: Received HELLO on FastEthernet1/0 nbr 172.16.1.3

*Mar  1 00:09:46.147:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0

*Mar  1 00:09:46.451: EIGRP: Received HELLO on FastEthernet1/0 nbr 172.16.1.2

*Mar  1 00:09:46.455:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0

*Mar  1 00:09:47.127: EIGRP: Sending HELLO on FastEthernet1/0

*Mar  1 00:09:47.127:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0

r1(config-router)#do un all

All possible debugging has been turned off

r1(config-router)#

*Mar  1 00:09:49.299: EIGRP: Sending HELLO on Loopback1

*Mar  1 00:09:49.299:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0

*Mar  1 00:09:49.303: EIGRP: Received HELLO on Loopback1 nbr 1.1.1.1

*Mar  1 00:09:49.303:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0

*Mar  1 00:09:49.307: EIGRP: Packet from ourselves ignored

r1(config-router)#do sh ip eigrp interfaces 查看那些端口与EIGRP有关

IP-EIGRP interfaces for process 1

 

                        Xmit Queue   Mean   Pacing Time   Multicast    Pending

Interface        Peers  Un/Reliable  SRTT   Un/Reliable   Flow Timer   Routes

Fa1/0              2        0/0       102       0/1          388           0

Lo1                0        0/0         0       0/1            0           0

r1(config-router)#do sh ip route

Codes: C - connected, S - static, 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

       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2

       ia - IS-IS inter area, * - candidate default, U - per-user static route

       o - ODR, P - periodic downloaded static route

 

Gateway of last resort is not set

 

     1.0.0.0/24 is subnetted, 1 subnets

C       1.1.1.0 is directly connected, Loopback1

     2.0.0.0/24 is subnetted, 1 subnets

D       2.2.2.0 [90/156160] via 172.16.1.2, 00:03:39, FastEthernet1/0

     3.0.0.0/24 is subnetted, 1 subnets

D       3.3.3.0 [90/156160] via 172.16.1.3, 00:04:02, FastEthernet1/0

     172.16.0.0/24 is subnetted, 1 subnets

C       172.16.1.0 is directly connected, FastEthernet1/0

r1(config-router)#do sh ip eigrp nei 查看路由器邻居关系的状态

IP-EIGRP neighbors for process 1

H   Address                 Interface       Hold Uptime   SRTT   RTO  Q  Seq

                                            (sec)         (ms)       Cnt Num

1   172.16.1.2              Fa1/0             12 00:04:20  102   612  0  8

0   172.16.1.3              Fa1/0             12 00:04:39  102   612  0  7

r1(config-router)#do sh ip eigrp to 查看拓扑表，注意它们之间的差异

IP-EIGRP Topology Table for AS(1)/ID(1.1.1.1)

 

Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,

       r - reply Status, s - sia Status

 

P 1.1.1.0/24, 1 successors, FD is 128256

        via Connected, Loopback1

P 2.2.2.0/24, 1 successors, FD is 156160

        via 172.16.1.2 (156160/128256), FastEthernet1/0

P 3.3.3.0/24, 1 successors, FD is 156160

        via 172.16.1.3 (156160/128256), FastEthernet1/0

P 172.16.1.0/24, 1 successors, FD is 28160

        via Connected, FastEthernet1/0

r1(config-router)#

 

 

r2(config)#int loo 2

r2(config-if)#dec

*Mar  1 00:04:03.087: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback2, changed state to up

r2(config-if)#description marketing Department

r2(config-if)#ip add 2.2.2.2 255.255.255.0

r2(config-if)#int f1/0

r2(config-if)#ip add 172.16.1.2 255.255.255.0

r2(config-if)#no sh

r2(config-if)#

*Mar  1 00:05:05.539: %LINK-3-UPDOWN: Interface FastEthernet1/0, changed state to up

*Mar  1 00:05:06.539: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/0, changed state to up

r2(config-if)#do sh ip int b

Interface                  IP-Address      OK? Method Status                Protocol

Serial0/0                  unassigned      YES unset  administratively down down   

Serial0/1                  unassigned      YES unset  administratively down down   

Serial0/2                  unassigned      YES unset  administratively down down   

Serial0/3                  unassigned      YES unset  administratively down down   

FastEthernet1/0            172.16.1.2      YES manual up                    up     

Loopback2                  2.2.2.2         YES manual up                    up     

r2(config-if)#exit

r2(config)#router eigrp 1

r2(config-router)#no su

                     ^

% Invalid input detected at '^' marker.

 

r2(config-router)#no au

r2(config-router)#net 172.16.0.0

r2(config-router)#net 2

*Mar  1 00:08:59.571: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: Neighbor 172.16.1.1 (FastEthernet1/0) is up: new adjacency

*Mar  1 00:08:59.575: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: Neighbor 172.16.1.3 (FastEthernet1/0) is up: new adjacency

r2(config-router)#net 2.0.0.0

r2(config-router)#do sh ip eigrp inter

IP-EIGRP interfaces for process 1

 

                        Xmit Queue   Mean   Pacing Time   Multicast    Pending

Interface        Peers  Un/Reliable  SRTT   Un/Reliable   Flow Timer   Routes

Fa1/0              2        0/0       380       0/1         1756           0

Lo2                0        0/0         0       0/1            0           0

r2(config-router)#do sh ip eigrp n

IP-EIGRP neighbors for process 1

H   Address                 Interface       Hold Uptime   SRTT   RTO  Q  Seq

                                            (sec)         (ms)       Cnt Num

1   172.16.1.3              Fa1/0             13 00:04:29  683  4098  0  7

0   172.16.1.1              Fa1/0             11 00:04:29   78   468  0  7

r2(config-router)#

 

 

r3(config)#int loo 3

r3(config-if)#ip add 3

*Mar  1 00:05:11.119: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback3, changed state to up

r3(config-if)#ip add 3.3.3.3 255.255.255.0

r3(config-if)#description accounting Department

r3(config-if)#int f0/0

r3(config-if)#ip add 172.16.1.3 255.255.255.0

r3(config-if)#no sh

r3(config-if)#

*Mar  1 00:06:09.155: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up

*Mar  1 00:06:10.155: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up

r3(config-if)#do sh ip int b

Interface                  IP-Address      OK? Method Status                Protocol

FastEthernet0/0            172.16.1.3      YES manual up                    up     

Loopback3                  3.3.3.3         YES manual up                    up     

r3(config-if)#exit

r3(config)#router eigrp 1

r3(config-router)#no au

r3(config-router)#net 3.0.0.0

r3(config-router)#net 172.16.0.0

r3(config-router)#

*Mar  1 00:08:40.023: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: Neighbor 172.16.1.1 (FastEthernet0/0) is up: new adjacency

r3(config-router)#

*Mar  1 00:08:58.935: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: Neighbor 172.16.1.2 (FastEthernet0/0) is up: new adjacency

r3(config-router)#do sh ip eigrp interfaces

IP-EIGRP interfaces for process 1

 

                        Xmit Queue   Mean   Pacing Time   Multicast    Pending

Interface        Peers  Un/Reliable  SRTT   Un/Reliable   Flow Timer   Routes

Lo3                0        0/0         0       0/1            0           0

Fa0/0              2        0/0        76       0/1          232           0

r3(config-router)#