華為模拟器配置VRRP+BFD+NAT+雙出口組網
2022年11月6日學習筆記
模拟器實驗圖檔
AR1和AR5分别模拟營運商路由器,PC1模拟企業内部網絡去通路營運商網絡。
LSW1交換機配置VRRP指向AR4和AR6,AR4為主路由器,AR6為備份路由器。AR4與AR2間運作BFD協定,路由器AR4到AR2的靜态路由優先級高于AR4到AR3的靜态路由。
本次實驗驗證:
PC1通路AR1時鍊路走向為:
PC1-LSW1-AR4-AR2-AR1
AR4-AR2 鍊路狀态異常鍊路走向為:
PC1-LSW1-AR4-AR3-AR1
AR4-AR3鍊路發生異常時鍊路走向為:
PC1-LSW1-AR6-AR5
LSW1-AR4鍊路發生異常時鍊路走向為:
PC1-LSW1-AR6-AR5
配置各路由交換指令如下:
路由器AR1
sys
sys R1
int g0/0/0
ip add 1.1.1.2 24
int g0/0/1
ip add 3.3.3.3 24
int loopback 1
ip add 4.4.4.4 32
q
路由器R2
sys
sys R2
int g0/0/0
ip add 10.1.1.2 24
int g0/0/1
ip add 1.1.1.1 24
q
bfd
q
bfd bfd10 bind peer-ip 10.1.1.1
discriminator local 2
discriminator remote 1
commit
q
ip route-static 192.168.1.0 24 10.1.1.1
acl 2000
rule permit source 192.168.1.0 0.0.0.255
q
int g0/0/1
nat outbound 2000
q
路由器R3
sys
sys R3
int g0/0/1
ip add 3.3.3.1 24
int g0/0/0
ip add 10.2.2.2 24
q
ip route-static 192.168.1.0 24 10.2.2.1
acl 2000
rule permit source 192.168.1.0 0.0.0.255
q
int g0/0/1
nat outbound 2000
q
路由器R4
sys
sys R4
int g0/0/0
ip add 192.168.1.253 24
vrrp vrid 1 virtual-ip 192.168.1.254
vrrp vrid 1 priority 120
vrrp vrid 1 preempt-mode timer delay 20
int g0/0/1
ip add 10.1.1.1 24
int g0/0/2
ip add 10.2.2.1 24
q
bfd
q
bfd bfd10 bind peer-ip 10.1.1.2
discriminator local 1
discriminator remote 2
commit
q
ip route-static 0.0.0.0 0 10.1.1.2 track bfd-session bfd10
ip route-static 0.0.0.0 0 10.2.2.2 preference 90
路由器R5
sys
sys R5
int g0/0/0
ip add 2.2.2.2 24
q
路由器R6
sys
sys R6
int g0/0/1
ip add 2.2.2.1 24
int g0/0/0
ip add 192.168.1.252 24
vrrp vrid 1 virtual-ip 192.168.1.254
vrrp vrid 1 preempt-mode timer delay 20
q
ip route-static 0.0.0.0 0 2.2.2.2
acl 2000
rule permit source 192.168.1.0 0.0.0.255
q
int g0/0/1
nat outbound 2000
q
檢視VRRP配置
AR4 VRRP配置
AR6 VRRP配置
PC1-AR1
AR4-AR1
AR4-AR2鍊路異常
AR4-AR1
AR4-R3鍊路異常
PC1-AR1
PC1-AR5