DHCP in interVLAN routing
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05-30-2019 12:02 PM
I have this simple network with 1 core & 1 distribute switches, where I directly added PCs in a different VLANs to make sure that config was working, but VLANs on distribute switch can't get ping or DHCP IP. What's my issue here ?
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05-31-2019 01:38 AM
Hello
Where is your dhcp server located?
I cannot open you PT file to check your configuration however i assume your core switch is performing the intervlan routing? - Make sure you have ip routing enabled on the core and disabled on the distribution switch, Do the clients receive dhcp allocation?
Please rate and mark as an accepted solution if you have found any of the information provided useful.
This then could assist others on these forums to find a valuable answer and broadens the community’s global network.
Kind Regards
Paul
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05-31-2019 02:24 AM
!
enable secret 5 $1$mERr$hx5rVt7rPNoS4wqbXKX7m0
!
no ip cef
no ipv6 cef
!
username admin secret 5 $1$mERr$hx5rVt7rPNoS4wqbXKX7m0
!
ip ssh version 2
no ip domain-lookup
ip domain-name cisco.com
!
spanning-tree mode pvst
!
interface GigabitEthernet1/0/1
switchport trunk encapsulation dot1q
switchport mode trunk
switchport nonegotiate
!
interface GigabitEthernet1/0/2
switchport access vlan 40
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/3
switchport access vlan 40
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/4
switchport access vlan 40
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/5
switchport access vlan 40
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/6
switchport access vlan 40
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/7
switchport access vlan 40
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/8
switchport access vlan 40
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/9
switchport access vlan 40
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/10
switchport access vlan 40
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/11
switchport access vlan 40
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/12
switchport access vlan 40
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/13
switchport access vlan 50
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/14
switchport access vlan 50
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/15
switchport access vlan 50
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/16
switchport access vlan 50
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/17
switchport access vlan 50
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/18
switchport access vlan 50
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/19
switchport access vlan 50
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/20
switchport access vlan 50
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/21
switchport access vlan 50
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/22
switchport access vlan 50
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/23
switchport access vlan 50
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/24
switchport access vlan 50
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface Vlan1
no ip address
shutdown
!
interface Vlan40
mac-address 000a.4161.8c01
no ip address
!
interface Vlan50
mac-address 000a.4161.8c02
no ip address
!
ip classless
!
ip flow-export version 9
!
banner motd ^CPrivate Use Only!^C
!
line con 0
password 7 0822455D0A16
login
!
line aux 0
!
line vty 0 4
password 7 0822455D0A16
login local
transport input ssh
line vty 5
password 7 0822455D0A16
login local
transport input ssh
!
end
hostname CoreSW
!
enable secret 5 $1$mERr$hx5rVt7rPNoS4wqbXKX7m0
!
ip dhcp pool VLAN10
network 192.168.10.0 255.255.255.0
default-router 192.168.10.1
dns-server 8.8.8.8
domain-name cisco.com
ip dhcp pool VLAN20
network 192.168.20.0 255.255.255.0
default-router 192.168.20.1
dns-server 8.8.8.8
domain-name cisco.com
ip dhcp pool VLAN30
network 192.168.30.0 255.255.255.0
default-router 192.168.30.1
dns-server 8.8.8.8
domain-name cisco.com
ip dhcp pool VLAN40
network 192.168.40.0 255.255.255.0
default-router 192.168.40.1
dns-server 8.8.8.8
domain-name cisco.com
ip dhcp pool VLAN50
network 192.168.50.0 255.255.255.0
default-router 192.168.50.1
dns-server 8.8.8.8
domain-name cisco.com
!
no ip cef
no ipv6 cef
!
username admin secret 5 $1$mERr$hx5rVt7rPNoS4wqbXKX7m0
!
ip ssh version 2
no ip domain-lookup
ip domain-name cisco.com
!
spanning-tree mode pvst
!
interface GigabitEthernet1/0/1
switchport trunk encapsulation dot1q
switchport mode trunk
switchport nonegotiate
!
interface GigabitEthernet1/0/2
switchport access vlan 10
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/3
switchport access vlan 10
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/4
switchport access vlan 10
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/5
switchport access vlan 10
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/6
switchport access vlan 10
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/7
switchport access vlan 10
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/8
switchport access vlan 10
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/9
switchport access vlan 10
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/10
switchport access vlan 20
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
Interface GigabitEthernet1/0/11
switchport access vlan 20
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/12
switchport access vlan 20
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/13
switchport access vlan 20
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/14
switchport access vlan 20
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/15
switchport access vlan 20
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/16
switchport access vlan 20
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/17
switchport access vlan 20
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/18
switchport access vlan 30
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/19
switchport access vlan 30
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/20
switchport access vlan 30
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/21
switchport access vlan 30
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/22
switchport access vlan 30
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/23
switchport access vlan 30
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/0/24
switchport access vlan 30
switchport mode access
switchport nonegotiate
switchport port-security maximum 5
switchport port-security mac-address sticky
switchport port-security violation restrict
!
interface GigabitEthernet1/1/1
!
interface GigabitEthernet1/1/2
!
interface GigabitEthernet1/1/3
!
interface GigabitEthernet1/1/4
!
interface Vlan1
no ip address
shutdown
!
interface Vlan10
mac-address 0003.e42c.dd01
ip address 192.168.10.1 255.255.255.0
!
interface Vlan20
mac-address 0003.e42c.dd02
ip address 192.168.20.1 255.255.255.0
!
interface Vlan30
mac-address 0003.e42c.dd03
ip address 192.168.30.1 255.255.255.0
!
interface Vlan40
mac-address 0003.e42c.dd04
ip address 192.168.40.1 255.255.255.0
!
interface Vlan50
mac-address 0003.e42c.dd05
ip address 192.168.50.1 255.255.255.0
!
ip classless
!
ip flow-export version 9
!
banner motd ^CPrivate Use Only!^C
!
line con 0
password 7 0822455D0A16
login
!
line aux 0
!
line vty 0 4
password 7 0822455D0A16
login local
transport input ssh
line vty 5
password 7 0822455D0A16
login local
transport input ssh
!
end
This is the whole config there
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05-31-2019 04:16 AM
Hello,
I have opened your file, the config looks good, but the PCs in Vlans 40 and 50 don't get IP addresses. Out of curiosity, I have recreated your setup in version 7.2.1 of Packet Tracer, and it works just fine. I would suggest to download and install the latest version and open the file I attached. Packet Tracer is rather quirky, so it might just be a version problem...
