使用华为eNSP组网试验⑶-OSPF单区域组网

  从2019年6月份开始学习网络,最主要的驱动力是一旦涉及网络配置的改动都需要找别人帮忙,有时候被别人找理由拖延或者拒绝,心里就会难过,不就是配置一些代码吗?!这和写程序有多大的区别?!以前追求的一直是合格的程序员,但是合格的程序员也不能受限于这部分的知识和技能了,应该学习网络知识。

  学进去后才觉得这里面的东西可是真多,做一名合格的网络工程师绝不容易!!!

  那时主要的学习途径是在网络上找资料学习,很长时间没有真机操作,主要原因是没有多余的网络设备,不能拿正常运行的设备去做试验。

  到2020年的时候,公司需要替换网络设备,就是将思科产品全部替换为H3C的产品,我感觉真机操练的机会来了,本来公司请的是网工祁国军来操作,我就和他商量,主要的配置我来做,不会的我请教,他答应了。那次比较顺利就完成了任务,感觉自己入了门,但是祁老师配置了OSPF,这一部分我没有操作。

  后面网络一直没有问题,也没有动力去进一步去学习网络了。

  这次使用eNSP组网试验,方便了实操训练,主要是可以练习和掌握很多基础知识。

  前面练习了Vlan和静态路由,昨天开始练习OSPF。

使用华为eNSP组网试验⑶-OSPF单区域组网_第1张图片

  上面模拟了一个公司比较真实的场景。

  ⑴路由器与交换机之间有的是trunk,有的access;

  ⑵在路由器(三层交换机)上直接连终端;

  ⑶汇聚部分有的在路由器,有的在三层交换机;

  ⑷一般情况下,一个公司在一个区域里,也可以按地域或者下属单位来划分多区域。

  在网络上的教程或者视频中,绝大部分都是拿路由器来做模拟OSPF区域讲解,绝少有交换机参与,这让人认为OSPF很简单。在eNSP中只有S5700、S3700两款交换机,它们都不能在端口上加地址,这给我带来了困惑,难道eNSP这么先进的工具,这部分的功能欠缺吗?以华为那么硬的实力不可能没有考虑这部分的需求。

  经过反复试验,解决了困惑。

  主要配置:

  ①R1的配置:

#
sysname R1
#
undo info-center enable
#
vlan batch 10 20 200
#
aaa
 authentication-scheme default
 authorization-scheme default
 accounting-scheme default
 domain default
 domain default_admin
 local-user admin password cipher OOCM4m($F4ajUn1vMEIBNUw#
 local-user admin service-type http
#
firewall zone Local
 priority 16
#
interface Vlanif10
 ip address 172.16.240.1 255.255.255.0
#
interface Vlanif20
 ip address 172.16.241.1 255.255.255.0
#
interface Vlanif200
 ip address 192.168.10.1 255.255.255.0
#
interface Ethernet0/0/0
 portswitch
 port link-type trunk
 port trunk allow-pass vlan 2 to 4094
#
interface Ethernet0/0/1
 ip address 192.168.11.2 255.255.255.0
#
interface Serial0/0/0
 link-protocol ppp
#
interface Serial0/0/1
 link-protocol ppp
#
interface Serial0/0/2
 link-protocol ppp
#
interface Serial0/0/3
 link-protocol ppp
#
interface GigabitEthernet0/0/0
#
interface GigabitEthernet0/0/1
#
interface GigabitEthernet0/0/2
#
interface GigabitEthernet0/0/3
#
wlan
#
interface NULL0
#
ospf 1
 area 0.0.0.1
  network 192.168.11.2 0.0.0.0
  network 192.168.10.2 0.0.0.0
  network 1.1.1.0 0.0.0.255
  network 172.16.240.0 0.0.0.255
  network 172.16.241.0 0.0.0.255
#
user-interface con 0
user-interface vty 0 4
user-interface vty 16 20
#
return

  ②R5的配置:

#
sysname R5
#
undo info-center enable
#
vlan batch 30 40 300
#
aaa
 authentication-scheme default
 authorization-scheme default
 accounting-scheme default
 domain default
 domain default_admin
 local-user admin password cipher OOCM4m($F4ajUn1vMEIBNUw#
 local-user admin service-type http
#
firewall zone Local
 priority 16
#
interface Vlanif300
#
interface Ethernet0/0/0
 ip address 192.168.14.3 255.255.255.0
#
interface Ethernet0/0/1
 ip address 192.168.15.2 255.255.255.0
#
interface Serial0/0/0
 link-protocol ppp
#
interface Serial0/0/1
 link-protocol ppp
#
interface Serial0/0/2
 link-protocol ppp
#
interface Serial0/0/3
 link-protocol ppp
#
interface GigabitEthernet0/0/0
#
interface GigabitEthernet0/0/1
#
interface GigabitEthernet0/0/2
#
interface GigabitEthernet0/0/3
#
wlan
#
interface NULL0
#
ospf 1
 area 0.0.0.1
  network 192.168.14.3 0.0.0.0
  network 192.168.15.2 0.0.0.0
  network 172.16.172.0 0.0.0.255
  network 172.16.173.0 0.0.0.255
#
user-interface con 0
user-interface vty 0 4
user-interface vty 16 20
#
return

  ③交换机PSP-A的配置:

#
sysname PSP-A
#
undo info-center enable
#
vlan batch 10 20 200
#
cluster enable
ntdp enable
ndp enable
#
drop illegal-mac alarm
#
diffserv domain default
#
drop-profile default
#
aaa
 authentication-scheme default
 authorization-scheme default
 accounting-scheme default
 domain default
 domain default_admin
 local-user admin password simple admin
 local-user admin service-type http
#
interface Vlanif1
#
interface Vlanif10
 ip address 172.16.240.19 255.255.255.0
#
interface Vlanif20
 ip address 172.16.241.19 255.255.255.0
#
interface Vlanif200
 ip address 192.168.10.19 255.255.255.0
#
interface MEth0/0/1
#
interface GigabitEthernet0/0/1
 port link-type trunk
 port trunk allow-pass vlan 2 to 4094
#
interface GigabitEthernet0/0/2
 port link-type trunk
 port trunk allow-pass vlan 2 to 4094
#
interface GigabitEthernet0/0/3
 port link-type trunk
 port trunk allow-pass vlan 2 to 4094
#
interface GigabitEthernet0/0/4
 port link-type access
 port default vlan 200
#
interface GigabitEthernet0/0/5
#
interface GigabitEthernet0/0/6
#
interface GigabitEthernet0/0/7
#
interface GigabitEthernet0/0/8
#
interface GigabitEthernet0/0/9
#
interface GigabitEthernet0/0/10
#
interface GigabitEthernet0/0/11
#
interface GigabitEthernet0/0/12
#
interface GigabitEthernet0/0/13
#
interface GigabitEthernet0/0/14
#
interface GigabitEthernet0/0/15
#
interface GigabitEthernet0/0/16
#
interface GigabitEthernet0/0/17
#
interface GigabitEthernet0/0/18
#
interface GigabitEthernet0/0/19
#
interface GigabitEthernet0/0/20
#
interface GigabitEthernet0/0/21
#
interface GigabitEthernet0/0/22
#
interface GigabitEthernet0/0/23
#
interface GigabitEthernet0/0/24
#
interface NULL0
#
ospf 1
 area 0.0.0.1
  network 172.16.240.0 0.0.0.255
  network 172.16.241.0 0.0.0.255
  network 192.168.10.0 0.0.0.255
#
ip route-static 0.0.0.0 0.0.0.0 192.168.11.2
#
user-interface con 0
user-interface vty 0 4
#
return

  ④交换机PSP-B的配置

dis cu
#
sysname PSP-B
#
undo info-center enable
#
vlan batch 30 40 300
#
cluster enable
ntdp enable
ndp enable
#
drop illegal-mac alarm
#
diffserv domain default
#
drop-profile default
#
aaa
 authentication-scheme default
 authorization-scheme default
 accounting-scheme default
 domain default
 domain default_admin
 local-user admin password simple admin
 local-user admin service-type http
#
interface Vlanif1
#
interface Vlanif30
 ip address 172.19.172.19 255.255.255.0
#
interface Vlanif40
 ip address 172.19.173.19 255.255.255.0
#
interface Vlanif300
 ip address 192.168.15.1 255.255.255.0
#
interface MEth0/0/1
#
interface GigabitEthernet0/0/1
 port link-type access
 port default vlan 300
#
interface GigabitEthernet0/0/2
 port link-type trunk
 port trunk allow-pass vlan 30
#
interface GigabitEthernet0/0/3
 port link-type trunk
 port trunk allow-pass vlan 40
#
interface GigabitEthernet0/0/4
 port link-type access
 port default vlan 300
#
interface GigabitEthernet0/0/5
#
interface GigabitEthernet0/0/6
#
interface GigabitEthernet0/0/7
#
interface GigabitEthernet0/0/8
#
interface GigabitEthernet0/0/9
#
interface GigabitEthernet0/0/10
#
interface GigabitEthernet0/0/11
#
interface GigabitEthernet0/0/12
#
interface GigabitEthernet0/0/13
#
interface GigabitEthernet0/0/14
#
interface GigabitEthernet0/0/15
#
interface GigabitEthernet0/0/16
#
interface GigabitEthernet0/0/17
#
interface GigabitEthernet0/0/18
#
interface GigabitEthernet0/0/19
#
interface GigabitEthernet0/0/20
#
interface GigabitEthernet0/0/21
#
interface GigabitEthernet0/0/22
#
interface GigabitEthernet0/0/23
#
interface GigabitEthernet0/0/24
#
interface NULL0
#
ospf 1
 area 0.0.0.1
  network 172.19.172.0 0.0.0.255
  network 172.19.173.0 0.0.0.255
  network 192.168.15.0 0.0.0.255
#
ip route-static 0.0.0.0 0.0.0.0 192.168.15.2
#
user-interface con 0
user-interface vty 0 4
#
return

  上面的试验是全部通过了测试,全网通。

  OSPF的多区域与单区域的实际操作最大的一点区别就是配置多个area。

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