BGP基本配置

在这里插入图片描述

配置逻辑

完成所有路由器的IGP配置
使用直连接口建立EBGP对等体关系
使用环回接口建立IBGP对等体关系
使用connect-interface命令修改IBGP建邻源IP地址
使用next-hop-local命令修改路由传递时的下一跳属性
若存在使用环回接口建立EBGP对等体关系，则需要建立通讯条件，并使用ebgp-max-hop命令修改TTL值。

R1


[V200R003C00]
#
 sysname R1
#
 snmp-agent local-engineid 800007DB03000000000000
 snmp-agent 
#
 clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load flash:/portalpage.zip
#
 drop illegal-mac alarm
#
 wlan ac-global carrier id other ac id 0
#
 set cpu-usage threshold 80 restore 75
#
aaa 
 authentication-scheme default
 authorization-scheme default
 accounting-scheme default
 domain default 
 domain default_admin 
 local-user admin password cipher %$%$K8m.Nt84DZ}e#<0`8bmE3Uw}%$%$
 local-user admin service-type http
#
firewall zone Local
 priority 15
#
interface GigabitEthernet0/0/0
 ip address 12.0.0.1 255.255.255.0 
#
interface GigabitEthernet0/0/1
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
interface LoopBack0
 ip address 1.1.1.1 255.255.255.255 
#
bgp 100
 router-id 1.1.1.1
 peer 12.0.0.2 as-number 200 
 #
 ipv4-family unicast
  undo synchronization
  network 1.1.1.1 255.255.255.255 
  peer 12.0.0.2 enable
#
user-interface con 0
 authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
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R2


[V200R003C00]
#
 sysname R2
#
 snmp-agent local-engineid 800007DB03000000000000
 snmp-agent 
#
 clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load flash:/portalpage.zip
#
 drop illegal-mac alarm
#
 wlan ac-global carrier id other ac id 0
#
 set cpu-usage threshold 80 restore 75
#
aaa 
 authentication-scheme default
 authorization-scheme default
 accounting-scheme default
 domain default 
 domain default_admin 
 local-user admin password cipher %$%$K8m.Nt84DZ}e#<0`8bmE3Uw}%$%$
 local-user admin service-type http
#
firewall zone Local
 priority 15
#
interface GigabitEthernet0/0/0
 ip address 12.0.0.2 255.255.255.0 
#
interface GigabitEthernet0/0/1
 ip address 23.0.0.2 255.255.255.0 
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
interface LoopBack0
 ip address 2.2.2.2 255.255.255.255 
#
bgp 200
 router-id 2.2.2.2
 peer 3.3.3.3 as-number 200 
 peer 3.3.3.3 connect-interface LoopBack0
 peer 4.4.4.4 as-number 200 
 peer 4.4.4.4 connect-interface LoopBack0
 peer 12.0.0.1 as-number 100 
 #
 ipv4-family unicast
  undo synchronization
  peer 3.3.3.3 enable
  peer 3.3.3.3 next-hop-local 
  peer 4.4.4.4 enable
  peer 4.4.4.4 next-hop-local 
  peer 12.0.0.1 enable
#
ospf 1 router-id 2.2.2.2 
 area 0.0.0.0 
  network 2.2.2.2 0.0.0.0 
  network 23.0.0.2 0.0.0.0 
#
user-interface con 0
 authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
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R3


[V200R003C00]
#
 sysname R3
#
 snmp-agent local-engineid 800007DB03000000000000
 snmp-agent 
#
 clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load flash:/portalpage.zip
#
 drop illegal-mac alarm
#
 wlan ac-global carrier id other ac id 0
#
 set cpu-usage threshold 80 restore 75
#
aaa 
 authentication-scheme default
 authorization-scheme default
 accounting-scheme default
 domain default 
 domain default_admin 
 local-user admin password cipher %$%$K8m.Nt84DZ}e#<0`8bmE3Uw}%$%$
 local-user admin service-type http
#
firewall zone Local
 priority 15
#
interface GigabitEthernet0/0/0
 ip address 23.0.0.3 255.255.255.0 
#
interface GigabitEthernet0/0/1
 ip address 34.0.0.3 255.255.255.0 
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
interface LoopBack0
 ip address 3.3.3.3 255.255.255.255 
#
bgp 200
 router-id 3.3.3.3
 peer 2.2.2.2 as-number 200 
 peer 2.2.2.2 connect-interface LoopBack0
 peer 4.4.4.4 as-number 200 
 peer 4.4.4.4 connect-interface LoopBack0
 #
 ipv4-family unicast
  undo synchronization
  peer 2.2.2.2 enable
  peer 4.4.4.4 enable
#
ospf 1 router-id 3.3.3.3 
 area 0.0.0.0 
  network 3.3.3.3 0.0.0.0 
  network 23.0.0.3 0.0.0.0 
  network 34.0.0.3 0.0.0.0 
#
user-interface con 0
 authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
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R4


[V200R003C00]
#
 sysname R4
#
 snmp-agent local-engineid 800007DB03000000000000
 snmp-agent 
#
 clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load flash:/portalpage.zip
#
 drop illegal-mac alarm
#
 wlan ac-global carrier id other ac id 0
#
 set cpu-usage threshold 80 restore 75
#
aaa 
 authentication-scheme default
 authorization-scheme default
 accounting-scheme default
 domain default 
 domain default_admin 
 local-user admin password cipher %$%$K8m.Nt84DZ}e#<0`8bmE3Uw}%$%$
 local-user admin service-type http
#
firewall zone Local
 priority 15
#
interface GigabitEthernet0/0/0
 ip address 45.0.0.4 255.255.255.0 
#
interface GigabitEthernet0/0/1
 ip address 34.0.0.4 255.255.255.0 
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
interface LoopBack0
 ip address 4.4.4.4 255.255.255.255 
#
bgp 200
 router-id 4.4.4.4
 peer 2.2.2.2 as-number 200 
 peer 2.2.2.2 connect-interface LoopBack0
 peer 3.3.3.3 as-number 200 
 peer 3.3.3.3 connect-interface LoopBack0
 peer 5.5.5.5 as-number 300 
 peer 5.5.5.5 ebgp-max-hop 2 
 peer 5.5.5.5 connect-interface LoopBack0
 #
 ipv4-family unicast
  undo synchronization
  peer 2.2.2.2 enable
  peer 2.2.2.2 next-hop-local 
  peer 3.3.3.3 enable
  peer 3.3.3.3 next-hop-local 
  peer 5.5.5.5 enable
#
ospf 1 router-id 4.4.4.4 
 area 0.0.0.0 
  network 4.4.4.4 0.0.0.0 
  network 34.0.0.4 0.0.0.0 
#
ip route-static 5.5.5.5 255.255.255.255 45.0.0.5
#
user-interface con 0
 authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
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R5


[V200R003C00]
#
 sysname R5
#
 snmp-agent local-engineid 800007DB03000000000000
 snmp-agent 
#
 clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load flash:/portalpage.zip
#
 drop illegal-mac alarm
#
 wlan ac-global carrier id other ac id 0
#
 set cpu-usage threshold 80 restore 75
#
aaa 
 authentication-scheme default
 authorization-scheme default
 accounting-scheme default
 domain default 
 domain default_admin 
 local-user admin password cipher %$%$K8m.Nt84DZ}e#<0`8bmE3Uw}%$%$
 local-user admin service-type http
#
firewall zone Local
 priority 15
#
interface GigabitEthernet0/0/0
 ip address 45.0.0.5 255.255.255.0 
#
interface GigabitEthernet0/0/1
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
interface LoopBack0
 ip address 5.5.5.5 255.255.255.255 
#
interface LoopBack1
 ip address 10.1.1.1 255.255.255.0 
#
bgp 300
 router-id 5.5.5.5
 peer 4.4.4.4 as-number 200 
 peer 4.4.4.4 ebgp-max-hop 2 
 peer 4.4.4.4 connect-interface LoopBack0
 #
 ipv4-family unicast
  undo synchronization
  network 10.1.1.0 255.255.255.0 
  peer 4.4.4.4 enable
#
ip route-static 4.4.4.4 255.255.255.255 45.0.0.4
#
user-interface con 0
 authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
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测试

在这里插入图片描述

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原文地址：https://blog.csdn.net/m0_61802503/article/details/134493178