需求
1、PC1为vlan10，ip 10.1.1.10，pc2为vlan20，ip 20.1.1.20
2、sw1交换机为接入交换机，g0/0/1、g0/0/2端口为trunk，创建van 10、20
3、AR2\AR3，为单臂路由，同时负载均衡，使用vrrp技术
配置内容
交换机SW1：
<sw1>display current-configuration
#
sysname sw1
#
vlan batch 10 20
#
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 MEth0/0/1
#
interface GigabitEthernet0/0/1
port link-type trunk
port trunk allow-pass vlan 10 20
#
interface GigabitEthernet0/0/2
port link-type trunk
port trunk allow-pass vlan 10 20
#
interface GigabitEthernet0/0/3
#
interface GigabitEthernet0/0/4
#
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
port link-type access
port default vlan 20
#
interface GigabitEthernet0/0/24
port link-type access
port default vlan 10
#
interface NULL0
#
user-interface con 0
idle-timeout 0 0
user-interface vty 0 4
#
return
<sw1>
路由器R2:
<r2>display current-configuration
[V200R003C00]
#
sysname r2
#
snmp-agent local-engineid 800007DB03000000000000
snmp-agent
#
clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load portalpage.zip
#
drop illegal-mac alarm
#
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
#
interface GigabitEthernet0/0/0.10
dot1q termination vid 10
ip address 10.1.1.1 255.255.255.0
vrrp vrid 10 virtual-ip 10.1.1.254
vrrp vrid 10 priority 120
arp broadcast enable
#
interface GigabitEthernet0/0/0.20
dot1q termination vid 20
ip address 20.1.1.1 255.255.255.0
vrrp vrid 20 virtual-ip 20.1.1.254
vrrp vrid 20 priority 110
arp broadcast enable
#
interface GigabitEthernet0/0/1
ip address 30.1.1.2 255.255.255.0
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
ospf 1 router-id 2.2.2.2
import-route direct
area 0.0.0.0
network 30.1.1.0 0.0.0.255
#
user-interface con 0
authentication-mode password
idle-timeout 0 0
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
<r2>
路由器R3
<r3>display current-configuration
[V200R003C00]
#
sysname r3
#
snmp-agent local-engineid 800007DB03000000000000
snmp-agent
#
clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load portalpage.zip
#
drop illegal-mac alarm
#
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
#
interface GigabitEthernet0/0/0.10
dot1q termination vid 10
ip address 10.1.1.2 255.255.255.0
vrrp vrid 10 virtual-ip 10.1.1.254
vrrp vrid 10 priority 110
arp broadcast enable
#
interface GigabitEthernet0/0/0.20
dot1q termination vid 20
ip address 20.1.1.2 255.255.255.0
vrrp vrid 20 virtual-ip 20.1.1.254
vrrp vrid 20 priority 120
arp broadcast enable
#
interface GigabitEthernet0/0/1
ip address 40.1.1.2 255.255.255.0
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
ospf 1 router-id 3.3.3.3
import-route direct
area 0.0.0.0
network 40.1.1.0 0.0.0.255
#
user-interface con 0
authentication-mode password
idle-timeout 0 0
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
<r3>
路由器R1:
<r1>display current-configuration
[V200R003C00]
#
sysname r1
#
snmp-agent local-engineid 800007DB03000000000000
snmp-agent
#
clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load portalpage.zip
#
drop illegal-mac alarm
#
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 30.1.1.1 255.255.255.0
#
interface GigabitEthernet0/0/1
ip address 40.1.1.1 255.255.255.0
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
interface LoopBack0
ip address 1.1.1.1 255.255.255.255
#
ospf 1 router-id 1.1.1.1
area 0.0.0.0
network 1.1.1.1 0.0.0.0
network 30.1.1.0 0.0.0.255
network 40.1.1.0 0.0.0.255
#
user-interface con 0
authentication-mode password
idle-timeout 0 0
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
<r1>
需要解决的问题：数据从R2出，从R3回
