为什么配置了DHCP可是PC获取不到地址，附上我的拓扑

核心SW7：
#
sysname SW7
#
undo info-center enable
#
vlan batch 10 20 30 40
#
stp mode stp
stp instance 0 priority 0
#
cluster enable
ntdp enable
ndp enable
#
drop illegal-mac alarm
#
dhcp enable
#
diffserv domain default
#
drop-profile default
#
ip pool vlan10
 gateway-list 192.168.1.1
 network 192.168.1.0 mask 255.255.255.0
 excluded-ip-address 192.168.1.2 192.168.1.100
 lease day 10 hour 0 minute 0
 dns-list 114.114.114.114
#
ip pool vlan20
 gateway-list 192.168.2.1
 network 192.168.2.0 mask 255.255.255.0
 excluded-ip-address 192.168.2.2 192.168.2.100
 lease day 10 hour 0 minute 0
 dns-list 114.114.114.114
#
ip pool vlan30
 gateway-list 192.168.3.1
 network 192.168.3.0 mask 255.255.255.0
 excluded-ip-address 192.168.3.2 192.168.3.100
 lease day 10 hour 0 minute 0
 dns-list 114.114.114.114
#
ip pool vlan40
 gateway-list 192.168.4.1
 network 192.168.4.0 mask 255.255.255.0
 excluded-ip-address 192.168.4.2 192.168.4.100
 lease day 10 hour 0 minute 0
 dns-list 114.114.114.114
#
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 192.168.1.1 255.255.255.0
 vrrp vrid 10 virtual-ip 192.168.1.254
 vrrp vrid 10 priority 120
 vrrp vrid 10 preempt-mode timer delay 10
 vrrp vrid 10 track interface GigabitEthernet0/0/4 reduced 30
 dhcp select global
#
interface Vlanif20
 ip address 192.168.2.1 255.255.255.0
 vrrp vrid 20 virtual-ip 192.168.2.254
 vrrp vrid 20 priority 120
 vrrp vrid 20 preempt-mode timer delay 10
 vrrp vrid 20 track interface GigabitEthernet0/0/4 reduced 30
 dhcp select global
#
interface Vlanif30
 ip address 192.168.3.1 255.255.255.0
 vrrp vrid 30 virtual-ip 192.168.3.254
 dhcp select global
#
interface Vlanif40
 ip address 192.168.4.1 255.255.255.0
 vrrp vrid 40 virtual-ip 192.168.4.254
 dhcp select global
#
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 trunk
 port trunk allow-pass vlan 2 to 4094
#
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
#
user-interface con 0
user-interface vty 0 4
#
return


核心SW8：
#
sysname SW8
#
undo info-center enable
#
vlan batch 10 20 30 40
#
stp mode stp
stp instance 0 priority 4096
#
cluster enable
ntdp enable
ndp enable
#
drop illegal-mac alarm
#
dhcp enable
#
diffserv domain default
#
drop-profile default
#
ip pool vlan10
 gateway-list 192.168.1.1
 network 192.168.1.0 mask 255.255.255.0
 excluded-ip-address 192.168.1.101 192.168.1.254
 lease day 10 hour 0 minute 0
#
ip pool vlan20
 gateway-list 192.168.2.1
 network 192.168.2.0 mask 255.255.255.0
 excluded-ip-address 192.168.2.101 192.168.2.254
 lease day 10 hour 0 minute 0
#
ip pool vlan30
 gateway-list 192.168.3.1
 network 192.168.3.0 mask 255.255.255.0
 excluded-ip-address 192.168.3.101 192.168.3.254
 lease day 10 hour 0 minute 0
#
ip pool vlan40
 gateway-list 192.168.4.1
 network 192.168.4.0 mask 255.255.255.0
 excluded-ip-address 192.168.4.101 192.168.4.254
 lease day 10 hour 0 minute 0
#
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 192.168.1.2 255.255.255.0
 vrrp vrid 10 virtual-ip 192.168.1.254
 dhcp select global
#
interface Vlanif20
 ip address 192.168.2.2 255.255.255.0
 vrrp vrid 20 virtual-ip 192.168.2.254
 dhcp select global
#
interface Vlanif30
 ip address 192.168.3.2 255.255.255.0
 vrrp vrid 30 virtual-ip 192.168.3.254
 vrrp vrid 30 priority 120
 vrrp vrid 30 preempt-mode timer delay 10
 vrrp vrid 30 track interface GigabitEthernet0/0/4 reduced 30
 dhcp select global
#
interface Vlanif40
 ip address 192.168.4.2 255.255.255.0
 vrrp vrid 40 virtual-ip 192.168.4.254
 vrrp vrid 40 priority 120
 vrrp vrid 40 preempt-mode timer delay 10
 vrrp vrid 40 track interface GigabitEthernet0/0/4 reduced 30
 dhcp select global
#
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 trunk
 port trunk allow-pass vlan 2 to 4094
#
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
#
user-interface con 0
user-interface vty 0 4
#
return


汇聚SW5：
#
sysname SW5
#
vlan batch 10 20
#
stp mode stp
#
cluster enable
ntdp enable
ndp enable
#
drop illegal-mac alarm
#
dhcp enable
#
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 Ethernet0/0/1
 port link-type access
 port default vlan 10
#
interface Ethernet0/0/2
 port link-type access
 port default vlan 20
#
interface Ethernet0/0/3
#
interface Ethernet0/0/4
 port link-type trunk
 port trunk allow-pass vlan 2 to 4094
#
interface Ethernet0/0/5
 port link-type trunk
 port trunk allow-pass vlan 2 to 4094
#
interface Ethernet0/0/6
#
interface Ethernet0/0/7
#
interface Ethernet0/0/8
#
interface Ethernet0/0/9
#
interface Ethernet0/0/10
#
interface Ethernet0/0/11
#
interface Ethernet0/0/12
#
interface Ethernet0/0/13
#
interface Ethernet0/0/14
#
interface Ethernet0/0/15
#
interface Ethernet0/0/16
#
interface Ethernet0/0/17
#
interface Ethernet0/0/18
#
interface Ethernet0/0/19
#
interface Ethernet0/0/20
#
interface Ethernet0/0/21
#
interface Ethernet0/0/22
#
interface GigabitEthernet0/0/1
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
user-interface con 0
user-interface vty 0 4
#
return


汇聚SW6：
#
sysname SW6
#
undo info-center enable
#
vlan batch 30 40
#
stp mode stp
#
cluster enable
ntdp enable
ndp enable
#
drop illegal-mac alarm
#
dhcp enable
#
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 Ethernet0/0/1
 port link-type access
 port default vlan 30
#
interface Ethernet0/0/2
 port link-type access
 port default vlan 40
#
interface Ethernet0/0/3
#
interface Ethernet0/0/4
 port link-type trunk
 port trunk allow-pass vlan 2 to 4094
#
interface Ethernet0/0/5
 port link-type trunk
 port trunk allow-pass vlan 2 to 4094
#
interface Ethernet0/0/6
#
interface Ethernet0/0/7
#
interface Ethernet0/0/8
#
interface Ethernet0/0/9
#
interface Ethernet0/0/10
#
interface Ethernet0/0/11
#
interface Ethernet0/0/12
#
interface Ethernet0/0/13
#
interface Ethernet0/0/14
#
interface Ethernet0/0/15
#
interface Ethernet0/0/16
#
interface Ethernet0/0/17
#
interface Ethernet0/0/18
#
interface Ethernet0/0/19
#
interface Ethernet0/0/20
#
interface Ethernet0/0/21
#
interface Ethernet0/0/22
#
interface GigabitEthernet0/0/1
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
user-interface con 0
user-interface vty 0 4
#
return

 

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