最近我有一项任务，并尝试在 cisco packet tracer 中配置我的第 3 层交换机的 HSRP。
多次尝试后，我的三层交换机中的2台仍然无法获取彼此的备用路由器。
这些分别是交换机的运行配置文件：
S4：
S4#sh run
Building configuration...
Current configuration : 2384 bytes
!
version 16.3.2
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname S4
!
!
!
!
!
!
!
no ip cef
ip routing
!
no ipv6 cef
!
!
!
!
!
!
!
!
!
!
!
!
!
!
spanning-tree mode pvst
!
!
!
!
!
!
interface Port-channel4
switchport mode trunk
!
interface GigabitEthernet1/0/1
switchport mode trunk
channel-group 4 mode active
!
interface GigabitEthernet1/0/2
switchport mode trunk
channel-group 4 mode active
!
interface GigabitEthernet1/0/3
no switchport
ip address 192.168.1.18 255.255.255.252
duplex auto
speed auto
!
interface GigabitEthernet1/0/4
!
interface GigabitEthernet1/0/5
!
interface GigabitEthernet1/0/6
!
interface GigabitEthernet1/0/7
!
interface GigabitEthernet1/0/8
!
interface GigabitEthernet1/0/9
!
interface GigabitEthernet1/0/10
!
interface GigabitEthernet1/0/11
!
interface GigabitEthernet1/0/12
!
interface GigabitEthernet1/0/13
!
interface GigabitEthernet1/0/14
!
interface GigabitEthernet1/0/15
!
interface GigabitEthernet1/0/16
!
interface GigabitEthernet1/0/17
!
interface GigabitEthernet1/0/18
!
interface GigabitEthernet1/0/19
!
interface GigabitEthernet1/0/20
!
interface GigabitEthernet1/0/21
!
interface GigabitEthernet1/0/22
!
interface GigabitEthernet1/0/23
no switchport
ip address 192.168.1.6 255.255.255.252
duplex auto
speed auto
!
interface GigabitEthernet1/0/24
no switchport
ip address 192.168.1.14 255.255.255.252
duplex auto
speed auto
!
interface GigabitEthernet1/1/1
!
interface GigabitEthernet1/1/2
!
interface GigabitEthernet1/1/3
!
interface GigabitEthernet1/1/4
!
interface Vlan1
ip address 192.168.0.2 255.255.255.0
standby version 2
standby 1 ip 192.168.0.253
standby 1 preempt
!
interface Vlan10
mac-address 0010.11cb.1201
ip address 192.168.10.25 255.255.255.252
!
interface Vlan11
mac-address 0010.11cb.1202
ip address 192.168.10.17 255.255.255.248
!
interface Vlan12
mac-address 0010.11cb.1203
ip address 192.168.10.1 255.255.255.240
!
ip classless
ip route 192.168.20.0 255.255.255.224 192.168.1.17
ip route 192.168.20.32 255.255.255.248 192.168.1.17
ip route 192.168.20.40 255.255.255.252 192.168.1.17
ip route 0.0.0.0 0.0.0.0 192.168.1.5
ip route 0.0.0.0 0.0.0.0 192.168.1.13
ip route 192.168.0.0 255.255.255.0 GigabitEthernet1/0/3
!
ip flow-export version 9
!
!
!
!
!
!
!
line con 0
!
line aux 0
!
line vty 0 4
login
!
!
!
!
end
S3：
S3#sh run
Building configuration...
Current configuration : 2448 bytes
!
version 16.3.2
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname S3
!
!
!
!
!
!
!
no ip cef
ip routing
!
no ipv6 cef
!
!
!
!
!
!
!
!
!
!
!
!
!
!
spanning-tree mode pvst
!
!
!
!
!
!
interface Port-channel2
!
interface Port-channel3
!
interface Port-channel5
!
interface GigabitEthernet1/0/1
channel-group 2 mode active
!
interface GigabitEthernet1/0/2
channel-group 2 mode active
!
interface GigabitEthernet1/0/3
channel-group 3 mode active
!
interface GigabitEthernet1/0/4
channel-group 3 mode active
!
interface GigabitEthernet1/0/5
no switchport
ip address 192.168.1.17 255.255.255.252
duplex auto
speed auto
!
interface GigabitEthernet1/0/6
!
interface GigabitEthernet1/0/7
!
interface GigabitEthernet1/0/8
!
interface GigabitEthernet1/0/9
!
interface GigabitEthernet1/0/10
!
interface GigabitEthernet1/0/11
!
interface GigabitEthernet1/0/12
!
interface GigabitEthernet1/0/13
!
interface GigabitEthernet1/0/14
!
interface GigabitEthernet1/0/15
!
interface GigabitEthernet1/0/16
!
interface GigabitEthernet1/0/17
!
interface GigabitEthernet1/0/18
!
interface GigabitEthernet1/0/19
!
interface GigabitEthernet1/0/20
!
interface GigabitEthernet1/0/21
!
interface GigabitEthernet1/0/22
!
interface GigabitEthernet1/0/23
no switchport
ip address 192.168.1.1 255.255.255.252
duplex auto
speed auto
!
interface GigabitEthernet1/0/24
no switchport
ip address 192.168.1.10 255.255.255.252
duplex auto
speed auto
!
interface GigabitEthernet1/1/1
!
interface GigabitEthernet1/1/2
!
interface GigabitEthernet1/1/3
!
interface GigabitEthernet1/1/4
!
interface Vlan1
ip address 192.168.0.1 255.255.255.0
standby version 2
standby 1 ip 192.168.0.253
standby 1 priority 105
standby 1 preempt
!
interface Vlan20
mac-address 0040.0bab.3601
ip address 192.168.20.41 255.255.255.252
!
interface Vlan21
mac-address 0040.0bab.3602
ip address 192.168.20.33 255.255.255.248
!
interface Vlan22
mac-address 0040.0bab.3603
ip address 192.168.20.1 255.255.255.224
!
ip classless
ip route 192.168.10.0 255.255.255.240 192.168.1.18
ip route 192.168.10.16 255.255.255.248 192.168.1.18
ip route 192.168.10.24 255.255.255.252 192.168.1.18
ip route 0.0.0.0 0.0.0.0 192.168.1.2
ip route 0.0.0.0 0.0.0.0 192.168.1.9
ip route 192.168.0.0 255.255.255.0 GigabitEthernet1/0/5
!
ip flow-export version 9
!
!
!
!
!
!
!
line con 0
!
line aux 0
!
line vty 0 4
login
!
!
!
!
end
不确定如何让 S3 成为活动路由器，让 S4 成为备用路由器 有什么解决办法吗？
我也尝试过将第 2 层交换机相互连接，但仍然没有任何变化等等。