Layer 3 switch turns on DHCP
1. Lab name: layer 3 switch turns on DHCP
2. Experimental purpose: turn on DHCP to obtain IP address automatically
3. Implement the topology:
4. Experimental steps:
(1) sw2:
Switch > en
Switch#conf
Switch (config) # vlan 10
Switch (config-vlan) # vlan 20
Switch (config-vlan) # vlan 30
Switch (config-vlan) # vlan 40
Switch (config-vlan) # int f0bin1
Switch (config-if) # sw mo ac
Switch (config-if) # sw ac vlan 10
Switch (config-if) # int f0bin2
Switch (config-if) # sw mo ac
Switch (config-if) # sw ac vlan 20
Switch (config-if) # int range f0amp 3jiggle f0plink 5jiggle f0Unique 4
Switch (config-if-range) # sw mo tr
(2) Sw3:
Switch > en
Switch#conf
Switch (config) # vlan 10
Switch (config-vlan) # vlan 20
Switch (config-vlan) # vlan 30
Switch (config-vlan) # vlan 40
Switch (config-vlan) # int f0bin1
Switch (config-if) # sw mo ac
Switch (config-if) # sw ac vlan 30
Switch (config-if) # int f0bin2
Switch (config-if) # sw mo ac
Switch (config-if) # sw ac vlan 40
Switch (config-if) # int range f0and3jiggle f0and4jiggle f0max 5
Switch (config-if-range) # sw mo tr
(3) SW0:
Switch#en
Switch#conf
Switch (config) # vlan 10
Switch (config-vlan) # vlan 20
Switch (config-vlan) # vlan 30
Switch (config-vlan) # vlan 40
Switch (config-vlan) # int range f0max 6 Magi f0max 3 Magi f0max 5
Switch (config-if-range) # sw mo tr
(4) SW1:
Switch > en
Switch#conf
Switch (config) # vlan 10
Switch (config-vlan) # vlan 20
Switch (config-vlan) # vlan 30
Switch (config-vlan) # vlan 40
Switch (config-vlan) # int range f0max 6 Magi f0max 5 Magi f0max 3
Switch (config-if-range) # sw mo tr
(5) Multilayer switch configuration
1) create VLAN10 20 30 40 and enable route forwarding to configure trunk links for lower-layer ports
Switch > en
Switch#conf
Switch (config) # vlan 10
Switch (config-vlan) # vlan 20
Switch (config-vlan) # vlan 30
Switch (config-vlan) # vlan 40
Switch (config-vlan) # exit
Switch (config) # ip routing
Switch (config) # int range f0and6 int range f0and7
Switch (config-if-range) # sw tr e d
Switch (config-if-range) # sw mo tr
2) configure the DHCP address pool corresponding to VLAN10-40 (IP, default gateway, DNS)
Switch (config) # ip dhcp pool vlan10
Switch (dhcp-config) # network 192.168.10.0 255.255.255.0
Switch (dhcp-config) # default-router 192.168.10.254
Switch (dhcp-config) # dns-server 8.8.8.8
Switch (dhcp-config) # e
Switch (config) # ip dhcp pool vlan20
Switch (dhcp-config) # network 192.168.20.0 255.255.255.0
Switch (dhcp-config) # default-router 192.168.20.254
Switch (dhcp-config) # dns-server 8.8.8.8
Switch (dhcp-config) # e
Switch (config) # ip dhcp pool vlan30
Switch (dhcp-config) # network 192.168.30.0 255.255.255.0
Switch (dhcp-config) # default-router 192.168.30.254
Switch (dhcp-config) # dns-server 8.8.8.8
Switch (dhcp-config) # e
Switch (config) # ip dhcp pool vlan40
Switch (dhcp-config) # network 192.168.40.0 255.255.255.0
Switch (dhcp-config) # default-router 192.168.40.254
Switch (dhcp-config) # dns-server 8.8.8.8
Switch (dhcp-config) # e
Switch (config) # service DHCP
3) Virtual interface VLAN configuration corresponds to gateway address
Switch (config) # int vlan 10
Switch (config-if) # ip add 192.168.10.254 255.255.255.0
Switch (config-if) # no shu
Switch (config-if) # int vlan 20
Switch (config-if) # ip add 192.168.20.254 255.255.255.0
Switch (config-if) # no shu
Switch (config-if) # int vlan 30
Switch (config-if) # ip add 192.168.30.254 255.255.255.0
Switch (config-if) # no shu
Switch (config-if) # int vlan 40
Switch (config-if) # ip add 192.168.40.254 255.255.255.0
Switch (config-if) # no shu
Switch (config-if) # end
5. Verification and testing:
6. Summary: configuration ideas:
(1) four PCs set up DHCP to obtain IP addresses automatically
(2) the layer 2 switch creates VLAN 10 20 30 40, and adds the corresponding port access to the corresponding VLAN, and the remaining ports trunk
(3) the layer 2 switch creates VLAN 10pm 20 30 40 trunk and allows all VLAN to pass through
(4) the layer 3 switch enables the routing function. The corresponding two ports trunk and configure the gateway address corresponding to the virtual VLAN 10-40.
(5) layer 3 switch configures VLAN10-40 address pool, gateway, DNS, and enables DHCP in global mode.
