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тАО07-09-2009 11:29 PM
тАО07-09-2009 11:29 PM
dhcp relay-config
We have a Mitel 3300ICP, below is our switch config. We are currently having jitter, delay, and echos. Although we know what needs to be config to correct the above faults but the problem is that when we make the change we are not able to access the via the browse to manage the 3300ICP. We were told by the Mitel team that we need to enable dhcp-relay on the our switch. It is but I am not sure how to begin configuring for the relay to work correctly. Any assistance will be great.
Thanks
hostname "PBX-5406zl"
snmp-server contact "Support"
snmp-server location "PBX Room"
web-management management-url ""
module 1 type J8702A
module 2 type J8702A
module 3 type J8705A
ip routing
snmp-server community "public" Unrestricted
snmp-server host 192.168.3.25 "public"
snmp-server host 192.168.3.164 "public"
vlan 1
name "DEFAULT_VLAN"
untagged A1-A24,B1-B24,C1-C24
ip address 192.168.3.240 255.255.255.0
exit
vlan 30
name "VOIP"
qos priority 6
ip address 172.168.30.254 255.255.255.0
tagged A1-A24,B1-B24,C1-C24
exit
no ip ssh
spanning-tree
password manager
password operator
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тАО07-10-2009 01:06 AM
тАО07-10-2009 01:06 AM
Re: dhcp relay-config
login to the CLI and change to the config mode.
Then:
ProCurve Switch(config)# dhcp-relay
Switch to the VLAN where do you want to use DHCP.
ProCurve Switch(config)# vlan 1
ProCurve Switch(vlan-1)# ip helper-address
The VLAN 1 needs a valid ip interface configured.
Then write config to mem and everything's fine.
Hope this helps.
Best regards,
Patrick
Patrick
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тАО07-12-2009 10:51 PM
тАО07-12-2009 10:51 PM
Re: dhcp relay-config
Hello Patrick,
We tried your suggestion but it didn't work, i am thinking it's i that have made the wrong configuration. so for testing purpose we create a new vlan, id 10, we then TAGGED A9,A10 but now address from the dhcp server that is on vlan 1 was given. I set the ip-helper address on Vlan 10 to the address of the dhcp is on Vlan 1.
Any other suggestion?
Startup configuration:
; J8697A Configuration Editor; Created on release #K.13.51
hostname "MIS"
snmp-server contact "Support"
snmp-server location "I.T. Office"
web-management management-url ""
time timezone 10
module 1 type J8702A
module 2 type J8702A
module 5 type J8706A
ip routing
no timesync
snmp-server community "public" Unrestricted
snmp-server host 192.168.3.25 "public"
snmp-server host 192.168.3.164 "public"
vlan 1
name "DEFAULT_VLAN"
untagged A1-A4,A6-A8,A11-A24,B1-B24,E1-E24
ip address 192.168.3.245 255.255.255.0
no untagged A5,A9-A10
exit
vlan 30
name "VOIP"
qos priority 6
tagged A1-A4,A6-A8,A11-A24,B1-B24,E1-E22,E24
no ip address
exit
vlan 50
name "Public"
untagged A5
tagged E23
no ip address
exit
vlan 10
name "Test"
ip helper-address 192.168.3.252
tagged A9-A10
no ip address
exit
no ip ssh
spanning-tree
password manager
password operator
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тАО07-12-2009 11:04 PM
тАО07-12-2009 11:04 PM
Re: dhcp relay-config
can you provide the output of "show dhcp-relay"?
Best regards,
Patrick
Patrick
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тАО07-12-2009 11:16 PM
тАО07-12-2009 11:16 PM
Re: dhcp relay-config
MIS# show dhcp-relay
DHCP Relay Agent : Enabled
DHCP Request Hop Count Increment : Enabled
Option 82 : Disabled
Response validation : Disabled
Option 82 handle policy : append
Remote ID : mac
Client Requests Server Responses
Valid Dropped Valid Dropped
---------- ---------- ---------- ----------
0 0 0 0
MIS#
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тАО07-12-2009 11:22 PM
тАО07-12-2009 11:22 PM
Re: dhcp relay-config
you need a valid ip-address in the VLAN from which are the dhcp requests will be redirected. This is needed by the giaddr filed in the header. The DHCP server will be able to detect from which scope it should take an ip for the incoming request. An ip-helper entry without a ip-interface will not work.
Best regards,
Patrick
Patrick
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тАО07-12-2009 11:33 PM
тАО07-12-2009 11:33 PM
Re: dhcp relay-config
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тАО07-12-2009 11:51 PM
тАО07-12-2009 11:51 PM
Re: dhcp relay-config
sounds very strange to me.
At this time does the mittel gets an adress in vlan1 or vlan30?
you need to change the dhcp-scope so the vlan-id is added to the options send to the dhcp-client?
the 5406 knows a "interface vlan VLAN-ID voice" command.
this designates the vlan as being used for ip-phones and set extra characteristics.
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тАО07-13-2009 12:01 AM
тАО07-13-2009 12:01 AM
Re: dhcp relay-config
you need to set the ip on VLAN 10. It must be from the scope which should be used in VLAN 10 and for which the DHCP should serve ip-addresses. You can set the ip by
ProCurve Switch(config)# vlan 10
ProCurve Switch(vlan-1)# ip address xxx.xxx.xxx.xx yyy.yyy.yyy.yyy
xxx = ip-address
yyy = subnetmask
Best regards,
Patrick
Patrick
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тАО07-13-2009 12:25 AM
тАО07-13-2009 12:25 AM
Re: dhcp relay-config
name "Test"
ip helper-address 192.168.3.252
tagged A9-A10
no ip address
exit
in adtion to patricks posts.
- for dhcp-relay to work, routing must be corectly configured.
so
- both vlan's need their own ip-adress/subnet.
vlan 1
name "DEFAULT_VLAN"
ip address 192.168.3.240 255.255.255.0
exit
vlan 10
name "TEST"
ip address 172.168.10.254 255.255.255.0
exit
- routing needs to be enabled
ip routing
- hosts in vlan-1 must have their default-gateway set to 192.168.3.240 (either manually or by dhcp-scope)
- create a second scope on the dhcp-server
for subnet 172.168.10.0/24
with scope-option "default gateway" set to the switch 172.168.10.254
- enable dhcp-relay on the testnetwork
vlan 10
ip helper-address 192.168.3.252
exit
- i would start testing with a normal workstation in your testvlan first
vlan 10
untagged B1
exit
- connect a pc to B1 and test dhcp operation.
the pc should get a 172.168.10.0 adress
if this works then it's time to advance to a port for the ip-phone (in multiple vlan's tagged-10 + untagged-1)