06-04-2013 07:35 AM - edited 03-07-2019 01:43 PM
continue
how can now configure dhcp server on core such that when request come to core it should tranfer to dhcp server from any of tc he two vlan ,is there any extra command which we need to congfigure on core switch to request dhcp server for ip add,please some one help me.
configuration of the core switch i am attaching below
SCE-CORE#sho run
Building configuration...
Current configuration : 5714 bytes
!
! Last configuration change at 06:48:40 UTC Tue Jun 4 2013
!
version 15.1
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
service compress-config
!
hostname SCE-CORE
!
boot-start-marker
boot system flash bootflash:cat4500e-universal.SPA.03.04.00.SG.151-2.SG.bin
boot-end-marker
!
!
vrf definition mgmtVrf
!
address-family ipv4
exit-address-family
!
address-family ipv6
exit-address-family
!
enable secret 4 tnhtc92DXBhelxjYk8LWJrPV36S2i4ntXrpb4RFmfqY
!
username admin privilege 15 password 0 cisco
no aaa new-model
hw-module uplink select tengigabitethernet
!
ip vrf Liin-vrf
!
!
!
ipv6 multicast rpf use-bgp
vtp mode transparent
!
power redundancy-mode redundant
!
!
!
!
!
spanning-tree mode pvst
spanning-tree extend system-id
!
redundancy
mode sso
!
vlan internal allocation policy ascending
!
vlan 50
name SERVER
!
vlan 51
name USERS
!
!
!
!
!
!
!
interface Port-channel1
switchport
!
interface Port-channel2
switchport
!
interface Port-channel3
switchport
!
interface Port-channel4
switchport
!
interface FastEthernet1
vrf forwarding mgmtVrf
no ip address
speed auto
duplex auto
!
interface GigabitEthernet1/1
switchport mode trunk
channel-group 1 mode on
!
interface GigabitEthernet1/2
switchport mode trunk
channel-group 1 mode on
!
interface GigabitEthernet1/3
switchport mode trunk
channel-group 1 mode on
!
interface GigabitEthernet1/4
switchport mode trunk
channel-group 1 mode on
!
interface GigabitEthernet1/5
switchport mode trunk
channel-group 2 mode on
!
interface GigabitEthernet1/6
switchport mode trunk
channel-group 2 mode on
!
interface GigabitEthernet1/7
switchport mode trunk
channel-group 2 mode on
!
interface GigabitEthernet1/8
switchport mode trunk
channel-group 2 mode on
!
interface GigabitEthernet1/9
switchport mode trunk
channel-group 3 mode on
!
interface GigabitEthernet1/10
switchport mode trunk
channel-group 3 mode on
!
interface GigabitEthernet1/11
switchport mode trunk
channel-group 3 mode on
!
interface GigabitEthernet1/12
switchport mode trunk
channel-group 3 mode on
!
interface GigabitEthernet1/13
switchport mode trunk
channel-group 4 mode on
!
interface GigabitEthernet1/14
switchport mode trunk
channel-group 4 mode on
!
interface GigabitEthernet1/15
switchport mode trunk
channel-group 4 mode on
!
interface GigabitEthernet1/16
switchport mode trunk
channel-group 4 mode on
!
interface GigabitEthernet1/17
!
interface GigabitEthernet1/18
!
interface GigabitEthernet1/19
!
interface GigabitEthernet1/20
!
interface GigabitEthernet1/21
!
interface GigabitEthernet1/22
!
interface GigabitEthernet1/23
!
interface GigabitEthernet1/24
!
interface GigabitEthernet1/25
!
interface GigabitEthernet1/26
!
interface GigabitEthernet1/27
!
interface GigabitEthernet1/28
!
interface GigabitEthernet1/29
!
interface GigabitEthernet1/30
!
interface GigabitEthernet1/31
!
interface GigabitEthernet1/32
!
interface GigabitEthernet1/33
!
interface GigabitEthernet1/34
!
interface GigabitEthernet1/35
!
interface GigabitEthernet1/36
!
interface GigabitEthernet1/37
!
interface GigabitEthernet1/38
!
interface GigabitEthernet1/39
!
interface GigabitEthernet1/40
!
interface GigabitEthernet1/41
!
interface GigabitEthernet1/42
!
interface GigabitEthernet1/43
!
interface GigabitEthernet1/44
!
interface GigabitEthernet1/45
!
interface GigabitEthernet1/46
!
interface GigabitEthernet1/47
!
interface GigabitEthernet1/48
!
interface GigabitEthernet2/1
!
interface GigabitEthernet2/2
!
interface GigabitEthernet2/3
!
interface GigabitEthernet2/4
!
interface GigabitEthernet2/5
!
interface GigabitEthernet2/6
!
interface GigabitEthernet2/7
!
interface GigabitEthernet2/8
!
interface GigabitEthernet2/9
!
interface GigabitEthernet2/10
!
interface GigabitEthernet2/11
!
interface GigabitEthernet2/12
!
interface GigabitEthernet2/13
!
interface GigabitEthernet2/14
!
interface GigabitEthernet2/15
!
interface GigabitEthernet2/16
!
interface GigabitEthernet2/17
!
interface GigabitEthernet2/18
!
interface GigabitEthernet2/19
!
interface GigabitEthernet2/20
!
interface GigabitEthernet2/21
!
interface GigabitEthernet2/22
!
interface GigabitEthernet2/23
!
interface GigabitEthernet2/24
!
interface GigabitEthernet2/25
!
interface GigabitEthernet2/26
!
interface GigabitEthernet2/27
!
interface GigabitEthernet2/28
!
interface GigabitEthernet2/29
!
interface GigabitEthernet2/30
!
interface GigabitEthernet2/31
!
interface GigabitEthernet2/32
!
interface GigabitEthernet2/33
!
interface GigabitEthernet2/34
!
interface GigabitEthernet2/35
!
interface GigabitEthernet2/36
!
interface GigabitEthernet2/37
!
interface GigabitEthernet2/38
!
interface GigabitEthernet2/39
!
interface GigabitEthernet2/40
!
interface GigabitEthernet2/41
!
interface GigabitEthernet2/42
!
interface GigabitEthernet2/43
!
interface GigabitEthernet2/44
!
interface GigabitEthernet2/45
!
interface GigabitEthernet2/46
!
interface GigabitEthernet2/47
!
interface GigabitEthernet2/48
!
interface TenGigabitEthernet3/1
!
interface TenGigabitEthernet3/2
!
interface GigabitEthernet3/3
!
interface GigabitEthernet3/4
!
interface GigabitEthernet3/5
!
interface GigabitEthernet3/6
!
interface TenGigabitEthernet4/1
!
interface TenGigabitEthernet4/2
!
interface GigabitEthernet4/3
!
interface GigabitEthernet4/4
!
interface GigabitEthernet4/5
!
interface GigabitEthernet4/6
!
interface Vlan1
no ip address
!
interface Vlan50
description "SERVER VLAN"
ip address 192.168.50.1 255.255.255.0
!
interface Vlan51
description "USERS VLAN"
ip address 192.168.51.1 255.255.255.0
!
no ip http server
!
!
!
!
banner motd ^CTHIS IS SAUDI COUNCIL OF ENG CORE ^C
!
line con 0
stopbits 1
line vty 0 4
login
!
end
SCE-CORE#
06-04-2013 01:14 PM
Go to each interface of VLAN
(config)# int vlan 50
(config-if)#ip helper-address 192.168.50.2
(config)# int vlan 51
(config-if)#ip helper-address 192.168.50.2
06-04-2013 09:03 PM
thnks for help but i have one doubt my network scenario is some what like this
i have 1 core 4507 and 4 layer 2 switch , each of four uplink from each switch is moving toward core switch , this uplinks are made as ether channel.
MY DHCP SERVER is connected on my L2 switch and i am having my svi vlan configure on my CORE SWITCH , that is vlan 50 and 51
so core switch is this possible if just i give on ip helper-address in the svi and the pc on the layer 2 switch get ip add from the server and or i need to connect dhcp server in the core switch i have this doubt can any one help me please
06-04-2013 09:45 PM
clients should be able to reach the dhcp server if its connected to the L2 switch , same for the servers
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