BGP综合实验
实验作业：
按要求部署实验环境
[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-9GlZZnlc-1632761026166)(/Users/aron/Documents/51ctoallstacksec/RegularWork/BGP综合实验/bgp - router bgp/截图.png)]
\1. 要求根据图中IP地址规划，实现底层连通性；
R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#int s0/0
R1(config-if)#ip add 12.1.1.1 255.255.255.0
R1(config-if)#no sh
R1(config-if)#int s0/1
R1(config-if)#ip add 17.1.1.1 255.255.255.0
R1(config-if)#no sh
R1(config-if)#int lo1
R1(config-if)#ip add 1.1.1.1 255.255.255.255
R1(config-if)#end
R1#show ip int br
Interface IP-Address OK? Method Status Protocol
Serial0/0 12.1.1.1 YES manual up down
Serial0/1 17.1.1.1 YES manual up down
Serial0/2 unassigned YES unset administratively down down
Serial0/3 unassigned YES unset administratively down down
Loopback1 1.1.1.1 YES manual up up
R2#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R2(config)#int s0/0
R2(config-if)#ip add 12.1.1.2 255.255.255.0
R2(config-if)#no sh
R2(config-if)#int f1/0
R2(config-if)#ip add 10.1.23.2 255.255.255.0
R2(config-if)#no sh
R2(config-if)#int f2/0
R2(config-if)#ip add 10.1.25.2 255.255.255.0
R2(config-if)#no sh
R2(config-if)#int lo1
R2(config-if)#ip add 2.2.2.2 255.255.255.255
R2(config-if)#end
R2#show ip int br
Interface IP-Address OK? Method Status Protocol
Serial0/0 12.1.1.2 YES manual up up
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 10.1.23.2 YES manual up up
FastEthernet2/0 10.1.25.2 YES manual up up
Loopback1 2.2.2.2 YES manual up up
R2#
R3#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R3(config)#int f0/0
R3(config-if)#ip add 10.1.23.3 255.255.255.0
R3(config-if)#no sh
R3(config-if)#int f1/0
R3(config-if)#ip add 10.1.34.3 255.255.255.0
R3(config-if)#int lo1
R3(config-if)#ip add 3.3.3.3 255.255.255.255
R3(config-if)#end
R3#show ip int br
Interface IP-Address OK? Method Status Protocol
FastEthernet0/0 10.1.23.3 YES manual up up
FastEthernet1/0 10.1.34.3 YES manual administratively down down
Loopback1 3.3.3.3 YES manual up up
R3#
R4#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R4(config)#int f0/0
R4(config-if)#ip add 10.1.34.4 255.255.255.0
R4(config-if)#no sh
R4(config-if)#int f1/0
R4(config-if)#ip add 10.1.45.4 255.255.255.0
R4(config-if)#no sh
R4(config)#int lo1
R4(config-if)#ip add 4.4.4.4 255.255.255.255
R4(config)#int s2/0
R4(config-if)#ip add 46.1.1.4 255.255.255.0
R4(config-if)#no sh
R4(config-if)#end
R4#show ip int br
Interface IP-Address OK? Method Status Protocol
FastEthernet0/0 10.1.34.4 YES manual up up
FastEthernet1/0 10.1.45.4 YES manual up up
Serial2/0 unassigned YES unset administratively down down
Serial2/1 unassigned YES unset administratively down down
Serial2/2 unassigned YES unset administratively down down
Serial2/3 unassigned YES unset administratively down down
Loopback1 4.4.4.4 YES manual up up
R4#ping 10.1.34.3
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.1.34.3, timeout is 2 seconds:
.!!!!
Success rate is 80 percent (4/5), round-trip min/avg/max = 20/22/28 ms
R4#
R4#ping 46.1.1.6
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 46.1.1.6, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 8/13/24 ms
R4#
R5#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R5(config)#int f0/0
R5(config-if)#ip add 10.1.45.5 255.255.255.0
R5(config-if)#no sh
R5(config-if)#int f1/0
R5(config-if)#ip add 10.1.25.5 255.255.255.0
R5(config-if)#no sh
R5(config-if)#int lo1
R5(config-if)#ip add 5.5.5.5 255.255.255.255
R5(config-if)#end
R5#show ip int br
Interface IP-Address OK? Method Status Protocol
FastEthernet0/0 10.1.45.5 YES manual up up
FastEthernet1/0 10.1.25.5 YES manual up up
Loopback1 5.5.5.5 YES manual up up
R5#ping 10.1.45.4
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.1.45.4, timeout is 2 seconds:
.!!!!
Success rate is 80 percent (4/5), round-trip min/avg/max = 12/16/20 ms
R5#ping 10.1.25.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.1.25.2, timeout is 2 seconds:
.!!!!
Success rate is 80 percent (4/5), round-trip min/avg/max = 16/24/40 ms
R5#ping 5.5.5.5
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 5.5.5.5, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms
R5#
R6同理
R7#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R7(config)#int lo1
R7(config-if)#ip add 7.7.7.7 255.255.255.255
R7(config-if)#int s0/1
R7(config-if)#ip add 17.1.1.1 255.255.255.0
R7(config-if)#no sh
R7(config-if)#int s0/0
R7(config-if)#no sh
R7(config-if)#ip add 67.1.1.7 255.255.255.0
R7(config-if)#end
R7#show ip int br
Interface IP-Address OK? Method Status Protocol
Serial0/0 67.1.1.7 YES manual up up
Serial0/1 17.1.1.1 YES manual up up
Serial0/2 unassigned YES unset administratively down down
Serial0/3 unassigned YES unset administratively down down
Loopback1 7.7.7.7 YES manual up up
R7#ping 67.1.1.6
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 67.1.1.6, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 8/20/32 ms
R7#ping 17.1.1.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 17.1.1.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 12/24/52 ms
R7#ping 7.7.7.7
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 7.7.7.7, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms
R7#\2. 要求在BGP的AS2345内部运行OSPF保证底层可达；
R2#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R2(config)#router ospf 100
R2(config-router)#router-id 2.2.2.2
R2(config-router)#network 2.2.2.2 0.0.0.0 area 0
R2(config-router)#network 10.1.23.0 0.0.0.255 area 0
R2(config-router)#network 10.1.25.0 0.0.0.255 area 0
R2(config-router)#
*Mar 1 02:01:58.327: %OSPF-5-ADJCHG: Process 100, Nbr 3.3.3.3 on FastEthernet1/0 from LOADING to FULL, Loading Done
R3#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R3(config)#router ospf 100
R3(config-router)#router-id 3.3.3.3
R3(config-router)#netw
R3(config-router)#network 3.3.3.3 0.0.0.0 area 0
R3(config-router)#network 10.1.23.0 0.0.0.255 area 0
R3(config-router)#network 10.1.34.0 0.0.0.255 area 0
R3(config-router)#
*Mar 1 02:01:54.115: %OSPF-5-ADJCHG: Process 100, Nbr 2.2.2.2 on FastEthernet0/0 from LOADING to FULL, Loading Done
R4#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R4(config)#router ospf 100
R4(config-router)#network 4.4.4.4 0.0.0.0 area 0
R4(config-router)#network 10.1.34.0 0.0.0.255 area 0
R4(config-router)#network 10.1.45.0 0.0.0.255 area
R5同理
测试ospf的底层可达性等：
R2#show ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
3.3.3.3 1 FULL/BDR 00:00:30 10.1.23.3 FastEthernet1/0
R2#show ip route ospf
3.0.0.0/32 is subnetted, 1 subnets
O 3.3.3.3 [110/2] via 10.1.23.3, 00:01:11, FastEthernet1/0
R2#ping 3.3.3.3
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 3.3.3.3, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 16/21/32 ms
R2#ping 4.4.4.4
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 4.4.4.4, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 20/38/68 ms
R2#ping 5.5.5.5
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 5.5.5.5, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 8/17/28 ms
R2#show ip route ospf
3.0.0.0/32 is subnetted, 1 subnets
O 3.3.3.3 [110/2] via 10.1.23.3, 00:02:00, FastEthernet1/0
4.0.0.0/32 is subnetted, 1 subnets
O 4.4.4.4 [110/3] via 10.1.25.5, 00:02:00, FastEthernet2/0
[110/3] via 10.1.23.3, 00:02:00, FastEthernet1/0
5.0.0.0/32 is subnetted, 1 subnets
O 5.5.5.5 [110/2] via 10.1.25.5, 00:02:00, FastEthernet2/0
10.0.0.0/24 is subnetted, 4 subnets
O 10.1.45.0 [110/2] via 10.1.25.5, 00:02:00, FastEthernet2/0
O 10.1.34.0 [110/2] via 10.1.23.3, 00:02:00, FastEthernet1/0
R2#show ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
5.5.5.5 1 FULL/BDR 00:00:30 10.1.25.5 FastEthernet2/0
3.3.3.3 1 FULL/BDR 00:00:36 10.1.23.3 FastEthernet1/0
R2#show ip ospf database
OSPF Router with ID (2.2.2.2) (Process ID 100)
Router Link States (Area 0)
Link ID ADV Router Age Seq# Checksum Link count
2.2.2.2 2.2.2.2 144 0x80000006 0x00F768 3
3.3.3.3 3.3.3.3 228 0x80000005 0x002917 3
4.4.4.4 4.4.4.4 157 0x80000005 0x00966D 3
5.5.5.5 5.5.5.5 145 0x80000005 0x0039CF 3
Net Link States (Area 0)
Link ID ADV Router Age Seq# Checksum
10.1.23.2 2.2.2.2 456 0x80000001 0x009D5C
10.1.25.2 2.2.2.2 144 0x80000001 0x00EB04
10.1.34.3 3.3.3.3 228 0x80000001 0x005091
10.1.45.4 4.4.4.4 157 0x80000001 0x0003C6
R2#\3. 依据图中AS设计，运行BGP协议，实现AS之间互联；
R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#router bgp 100
R1(config-router)#no auto-summary
R1(config-router)#no synchronization
R1(config-router)#bgp router-id 1.1.1.1
R1(config-router)#neighbor 12.1.1.2 remote-as 2345
R1(config-router)#neighbor 17.1.1.7 remote-as 700
R1(config-router)#network 1.1.1.1 mask 255.255.255.255
R2#show ip route bgp
1.0.0.0/32 is subnetted, 1 subnets
B 1.1.1.1 [20/0] via 12.1.1.1, 00:01:56
R2#
R1#show run | s r b
router bgp 100
no synchronization
bgp router-id 1.1.1.1
bgp log-neighbor-changes
network 1.1.1.1 mask 255.255.255.255
neighbor 12.1.1.2 remote-as 2345
no auto-summary
R2#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R2(config)#router bgp 2345
R2(config-router)#bgp router-id 2.2.2.2
R2(config-router)#no auto-summary
R2(config-router)#no synchronization
R2(config-router)#neighbor 12.1.1.1 remote-as 100
R2(config-router)#end
IBGP:
R2(config)#router bgp 2345
R2(config-router)#neighbor 3.3.3.3 remote-as 2345
R2(config-router)#neighbor 3.3.3.3 update-source loopback 1
R2(config-router)#neighbor 5.5.5.5 remote-as 2345
R2(config-router)#neighbor 5.5.5.5 update-source loopback 1
R2(config-router)#
R1#show ip route bgp
2.0.0.0/32 is subnetted, 1 subnets
B 2.2.2.2 [20/0] via 12.1.1.2, 00:00:14
R1#
R1#ping 2.2.2.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2.2.2.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 8/19/28 ms
R1#
IBGP:
R3#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R3(config)#router bgp 2345
R3(config-router)#no synchronization
R3(config-router)#no auto-summary
R3(config-router)#neighbor 2.2.2.2 remote-as 2345
R3(config-router)#neighbor 2.2.2.2 update-source loopback 1
R3(config-router)#neighbor 4.4.4.4 remote-as 2345
R3(config-router)#neighbor 4.4.4.4 update-source loopback 1
R3(config-router)#
R4#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R4(config)#router bgp 2345
R4(config-router)#no auto-summary
R4(config-router)#no synchronization
R4(config-router)#bgp router-id 4.4.4.4
R4(config-router)#neighbor 46.1.1.6 remote-as 600
R4(config-router)#network 4.4.4.4 mask 255.255.255.255
R4(config-router)#
IBGP:
R4#conf t
R4(config)#router bgp 2345
R4(config-router)#neighbor 3.3.3.3 remote-as 2345
R4(config-router)#neighbor 3.3.3.3 update-source loopback 1
R4(config-router)#neighbor 5.5.5.5 remote-as 2345
R4(config-router)#neighbor 5.5.5.5 update-source loopback 1
R5#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R5(config)#router bgp 2345
R5(config-router)#no synchronization
R5(config-router)#no auto-summary
R5(config-router)#bgp router 5.5.5.5
R5(config-router)#neighbor 2.2.2.2 remote-as 2345
R5(config-router)#neighbor 2.2.2.2 update-source loopback 1
R5(config-router)#neighbor 4.4.4.4 remote-as 2345
R5(config-router)#neighbor 4.4.4.4 update-source loopback 1
R6#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R6(config)#router bgp 600
R6(config-router)#no auto-summary
R6(config-router)#no synchronization
R6(config-router)#bgp router-id 6.6.6.6
R6(config-router)#neighbor 46.1.1.4 remote-as 2345
R6(config-router)#neighbor 67.1.1.7 remote-as 700
*Mar 1 02:16:34.023: %BGP-5-ADJCHANGE: neighbor 46.1.1.4 Up
R6(config-router)#network 6.6.6.6 mask 255.255.255.255
R7#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R7(config)#router bgp 700
R7(config-router)#no auto-summary
R7(config-router)#no synchronization
R7(config-router)#bgp router-id 7.7.7.7
R7(config-router)#neighbor 67.1.1.6 remote-as 600
R7(config-router)#neighbor 17.1.1.1 remote-as 100
R7(config-router)#network 7.7.7.7 mask 255.255.255.255
R7(config-router)#end
查询验证：
R1#show run | s r b
router bgp 100
no synchronization
bgp router-id 1.1.1.1
bgp log-neighbor-changes
network 1.1.1.1 mask 255.255.255.255
neighbor 12.1.1.2 remote-as 2345
neighbor 17.1.1.7 remote-as 700
no auto-summary
R1#show ip bgp summary
BGP router identifier 1.1.1.1, local AS number 100
BGP table version is 6, main routing table version 6
5 network entries using 585 bytes of memory
5 path entries using 260 bytes of memory
6/5 BGP path/bestpath attribute entries using 744 bytes of memory
4 BGP AS-PATH entries using 96 bytes of memory
0 BGP route-map cache entries using 0 bytes of memory
0 BGP filter-list cache entries using 0 bytes of memory
BGP using 1685 total bytes of memory
BGP activity 5/0 prefixes, 5/0 paths, scan interval 60 secs
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
12.1.1.2 4 2345 62 65 6 0 0 00:57:17 1
17.1.1.7 4 700 15 15 6 0 0 00:06:05 3
R1#show ip bgp
BGP table version is 6, local router ID is 1.1.1.1
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,
r RIB-failure, S Stale
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path
*> 1.1.1.1/32 0.0.0.0 0 32768 i
*> 2.2.2.2/32 12.1.1.2 0 0 2345 i
*> 4.4.4.4/32 17.1.1.7 0 700 600 2345 i
*> 6.6.6.6/32 17.1.1.7 0 700 600 i
*> 7.7.7.7/32 17.1.1.7 0 0 700 i
R1#show ip route bgp
2.0.0.0/32 is subnetted, 1 subnets
B 2.2.2.2 [20/0] via 12.1.1.2, 00:48:28
4.0.0.0/32 is subnetted, 1 subnets
B 4.4.4.4 [20/0] via 17.1.1.7, 00:04:57
6.0.0.0/32 is subnetted, 1 subnets
B 6.6.6.6 [20/0] via 17.1.1.7, 00:04:57
7.0.0.0/32 is subnetted, 1 subnets
B 7.7.7.7 [20/0] via 17.1.1.7, 00:06:22
R1#
R3#show ip bgp summary
BGP router identifier 3.3.3.3, local AS number 2345
BGP table version is 8, main routing table version 8
5 network entries using 585 bytes of memory
8 path entries using 416 bytes of memory
8/1 BGP path/bestpath attribute entries using 992 bytes of memory
6 BGP AS-PATH entries using 144 bytes of memory
0 BGP route-map cache entries using 0 bytes of memory
0 BGP filter-list cache entries using 0 bytes of memory
BGP using 2137 total bytes of memory
BGP activity 5/0 prefixes, 9/1 paths, scan interval 60 secs
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
2.2.2.2 4 2345 36 32 8 0 0 00:28:26 4
4.4.4.4 4 2345 37 31 8 0 0 00:27:00 4
R3#
R2#show ip bgp summary
BGP router identifier 2.2.2.2, local AS number 2345
BGP table version is 5, main routing table version 5
4 network entries using 468 bytes of memory
4 path entries using 208 bytes of memory
5/4 BGP path/bestpath attribute entries using 620 bytes of memory
3 BGP AS-PATH entries using 72 bytes of memory
0 BGP route-map cache entries using 0 bytes of memory
0 BGP filter-list cache entries using 0 bytes of memory
BGP using 1368 total bytes of memory
BGP activity 4/0 prefixes, 4/0 paths, scan interval 60 secs
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
3.3.3.3 4 2345 32 36 5 0 0 00:28:04 0
5.5.5.5 4 2345 27 31 5 0 0 00:23:38 0
12.1.1.1 4 100 41 35 5 0 0 00:31:59 3
R2#\4. 要求在R1、R7、R6上通告环回接口，并要求能相互学习到其路由，并带源Ping通。
R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#ip route 2.2.2.2 255.255.255.255 s0/0
R1(config)#ip route 7.7.7.7 255.255.255.255 s0/1
R1(config)#router bgp 100
R1(config-router)#neighbor 2.2.2.2 remote-as 2345
R1(config-router)#neighbor 2.2.2.2 ebgp-multihop 2
R1(config-router)#neighbor 2.2.2.2 update-source loopback 1
R1(config-router)#neighbor 7.7.7.7 remote-as 700
R1(config-router)#neighbor 7.7.7.7 ebgp-multihop 2
R1(config-router)#neighbor 7.7.7.7 update-source loopback 1
R1(config-router)#exit
R1(config)#end
R1#
*Mar 1 01:01:56.835: %SYS-5-CONFIG_I: Configured from console by console
R1#
R2#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R2(config)#ip route 1.1.1.1 255.255.255.255 s0/0
R2(config)#router bgp 2345
R2(config-router)#neighbor 1.1.1.1 remote-as 100
R2(config-router)#neighbor 1.1.1.1 ebgp-multihop 2
R2(config-router)#neighbor 1.1.1.1 update-source loopback 1
R2(config-router)#
*Mar 1 01:04:37.871: %BGP-5-ADJCHANGE: neighbor 1.1.1.1 Up
R2(config-router)#
R7#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R7(config)#ip route 6.6.6.6 255.255.255.255 s0/0
R7(config)#ip route 1.1.1.1 255.255.255.255 s0/1
R7(config)#router bgp 700
R7(config-router)#neighbor 1.1.1.1 remote-as 100
R7(config-router)#neighbor 1.1.1.1 ebgp-multihop 2
*Mar 1 01:06:44.267: %BGP-5-ADJCHANGE: neighbor 1.1.1.1 Up
R7(config-router)#neighbor 1.1.1.1 update-source loopback 1
R7(config-router)#neighbor 6.6.6.6 remote-as 600
R7(config-router)#neighbor 6.6.6.6 ebgp-multihop 2
R7(config-router)#neighbor 6.6.6.6 update-source loopback 1
R7(config-router)#
R4#conf t
R4(config)#ip route 6.6.6.6 255.255.255.255 s2/0
R4(config)#router bgp 2345
R4(config-router)#neighbor 6.6.6.6 remote-as 600
R4(config-router)#neighbor 6.6.6.6 ebgp-multihop 2
R4(config-router)#neighbor 6.6.6.6 update-source loopback 1
R4(config)#end
R4#show ip route bgp
1.0.0.0/32 is subnetted, 1 subnets
B 1.1.1.1 [20/0] via 6.6.6.6, 00:00:00
7.0.0.0/32 is subnetted, 1 subnets
B 7.7.7.7 [20/0] via 6.6.6.6, 00:00:00
R4#ping 1.1.1.1 source 4.4.4.4
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 1.1.1.1, timeout is 2 seconds:
Packet sent with a source address of 4.4.4.4
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 24/50/76 ms
R4#ping 7.7.7.7 source 4.4.4.4
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 7.7.7.7, timeout is 2 seconds:
Packet sent with a source address of 4.4.4.4
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 20/33/44 ms
R4#
R1#ping 6.6.6.6 source 1.1.1.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 6.6.6.6, timeout is 2 seconds:
Packet sent with a source address of 1.1.1.1
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 16/33/48 ms
R1#【作业要求】
1、用GNS3搭建拓扑，并根据要求完成项目；
2、将整个GNS3项目文件打包为压缩包，并以附件上传，压缩包的名称规范为“姓名-BGP综合实验”。
***编写实验报告，将整个作业过程中的涉及的步骤、效果、思路等整理为Word或PDF或PPT文档并上传，文档名称为"姓名-作业名称"。
