Hi
I have configured the SVI on the multi-layer switch; I don't want to use the router as a DHCP server. I want to utilize a multilayer switch for DHCP pool..
VLAN 1
VLAN 2
VLAN 3
Interface IP-Address OK? Method Status Protocol
FastEthernet0/1 10.10.10.2 YES manual up up
FastEthernet0/2 unassigned YES unset up up
FastEthernet0/3 unassigned YES unset down down
FastEthernet0/4 unassigned YES unset down down
FastEthernet0/5 unassigned YES unset down down
FastEthernet0/6 unassigned YES unset down down
FastEthernet0/7 unassigned YES unset down down
FastEthernet0/8 unassigned YES unset down down
FastEthernet0/9 unassigned YES unset down down
FastEthernet0/10 unassigned YES unset down down
FastEthernet0/11 unassigned YES unset down down
FastEthernet0/12 unassigned YES unset down down
FastEthernet0/13 unassigned YES unset down down
FastEthernet0/14 unassigned YES unset down down
FastEthernet0/15 unassigned YES unset down down
FastEthernet0/16 unassigned YES unset down down
FastEthernet0/17 unassigned YES unset down down
FastEthernet0/18 unassigned YES unset down down
FastEthernet0/19 unassigned YES unset down down
FastEthernet0/20 unassigned YES unset down down
FastEthernet0/21 unassigned YES unset down down
FastEthernet0/22 unassigned YES unset down down
FastEthernet0/23 unassigned YES unset down down
FastEthernet0/24 unassigned YES unset down down
GigabitEthernet0/1 unassigned YES unset down down
GigabitEthernet0/2 unassigned YES unset down down
Vlan1 10.10.1.1 YES manual up up
Vlan2 10.10.2.1 YES manual up up
Vlan3 10.10.3.1 YES manual up up
Switch#
Switch#
Switch#
Switch#show run
Switch#show running-config
Building configuration...
Current configuration : 1547 bytes
!
version 12.2(37)SE1
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname Switch
!
!
!
!
ip dhcp pool vlan1
network 10.10.1.0 255.255.255.0
default-router 10.10.1.1
dns-server 8.8.8.8
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
spanning-tree mode pvst
!
!
!
!
!
!
interface FastEthernet0/1
no switchport
ip address 10.10.10.2 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/2
switchport trunk encapsulation dot1q
switchport mode trunk
!
interface FastEthernet0/3
!
interface FastEthernet0/4
!
interface FastEthernet0/5
!
interface FastEthernet0/6
!
interface FastEthernet0/7
!
interface FastEthernet0/8
!
interface FastEthernet0/9
!
interface FastEthernet0/10
!
interface FastEthernet0/11
!
interface FastEthernet0/12
!
interface FastEthernet0/13
!
interface FastEthernet0/14
!
interface FastEthernet0/15
!
interface FastEthernet0/16
!
interface FastEthernet0/17
!
interface FastEthernet0/18
!
interface FastEthernet0/19
!
interface FastEthernet0/20
!
interface FastEthernet0/21
!
interface FastEthernet0/22
!
interface FastEthernet0/23
!
interface FastEthernet0/24
!
interface GigabitEthernet0/1
!
interface GigabitEthernet0/2
!
interface Vlan1
ip address 10.10.1.1 255.255.255.0
!
interface Vlan2
mac-address 0003.e437.9501
ip address 10.10.2.1 255.255.255.0
!
interface Vlan3
mac-address 0003.e437.9502
ip address 10.10.3.1 255.255.255.0
!
ip classless
!
ip flow-export version 9
!
!
!
Accepted Solutions
You don't need ip helper address since there's no L3 equipement between hosts and the DHCP server hosted on L3Switch.
Why we need ip helper address? Because broadcast is drop by Router. If there is a Router on the way towards your DHCP server, you need to configure ip helper address on the first adress to act as DHCP relay!
Hello @ankitohc
MultiLayer switch seem to be well configured.
As concerned L2 switch you shoul have this:
sh run
Building configuration...
Current configuration : 1186 bytes
!
version 15.0
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname Switch
!
!
!
!
!
!
spanning-tree mode pvst
spanning-tree extend system-id
!
interface FastEthernet0/1
switchport trunk allowed vlan 1-3
switchport mode trunk
!
interface FastEthernet0/2
description --PC2-vlan1
switchport mode access
switchport access vlan 1
spanning-tree portfast
!
interface FastEthernet0/3
description --PC0-vlan2
switchport mode access
switchport access vlan 2
spanning-tree portfast
!
interface FastEthernet0/4
description --PC1-vlan3
switchport mode access
switchport access vlan 3
spanning-tree portfast
!
interface FastEthernet0/5
!
interface FastEthernet0/6
!
interface FastEthernet0/7
!
interface FastEthernet0/8
!
interface FastEthernet0/9
!
interface FastEthernet0/10
!
interface FastEthernet0/11
-------------------------------
Switch#sh int trunk
Port Mode Encapsulation Status Native vlan
Fa0/1 on 802.1q trunking 1
Port Vlans allowed on trunk
Fa0/1 1-3
Port Vlans allowed and active in management domain
Fa0/1 1,2,3
Port Vlans in spanning tree forwarding state and not pruned
Fa0/1 1,2
-------------------------------
-------------------------------
Switch#sh int status
Port Name Status Vlan Duplex Speed Type
Fa0/1 connected trunk auto auto 10/100BaseTX
Fa0/2 connected 1 auto auto 10/100BaseTX
Fa0/3 connected 2 auto auto 10/100BaseTX
Fa0/4 connected 3 auto auto 10/100BaseTX
[...]
-------------------------------
PC0-vlan 1 should have an IP address:
You don't need ip helper address since there's no L3 equipement between hosts and the DHCP server hosted on L3Switch.
Why we need ip helper address? Because broadcast is drop by Router. If there is a Router on the way towards your DHCP server, you need to configure ip helper address on the first adress to act as DHCP relay!
If you are right when I have configured the DHCP on the router then I have put the 10.10.10.1 address as DHCP Relay and it worked I usually first implement my topology on virtual labs then on physical labs. I have noticed that everything is good so far; however, I also connected to the ESXI host on VLAN 3; it gives me an IP address of 10.10.3.11; however, when I open this IP address on the browser it points me to the Cisco login page, not VMware host..Not sure why I will attach the pictures
Can you please help me why it's happening..
