Hardware
Error Message
on Display
Possible
Cause
Corrective Action
DHCP Discovery
OR
DHCP OFFER X
REJ
(VLAN) (after
releasing the first
IP from the native
DHCP server)
DHCP Option 43
or 125 on 3300
Release 7.0 or
later systems or
Option 30 (MITEL
IP PHONE) for
earlier Releases
is not program-
med on the
second scope of
the DHCP server
(or on the second
DHCP server).
OR
VLAN ID is not
assigned properly.
1.
Identify if there is one DHCP server for
both VLANs, or if there is one DHCP server
per VLAN (see “Network Configuration
Examples” in the “Typical Network
Configurations” chapter of the
Technician’s
Handbook
).
2.
For one DHCP server for both VLANs,
ensure that option 43 or 125 is properly
configured (3300 Release 7.0 and later)
or that option 130 is programmed as
String type with value of “MITEL IP
PHONE“ (prior to Release 7.0), in the
scope of Voice LAN.
3.
For one DHCP server per VLAN, ensure
that option 43 or 125 (Release 7.0 and
later) or 130 (prior to Release 7.0) is
defined.
4.
Verify that the proper VLAN ID is assigned
in option 43 or 125 (Release 7.0 and later),
or 132 (prior to Release 7.0).
One DHCP
server for two
VLANs network
configuration: IP
helper address
on the router
interface is not set
up correctly.
1.
On the router interface (on which DHCP is
not residing), enter the IP helper address
and specify the IP address of the DHCP
server on the other side of the subnet (that
is, always set up IP helper address on the
DHCP server client side).
2.
Ensure the second scope is created for
the corresponding VLAN (see “Network
Configuration Examples” in the “Typical
Network Configurations” chapter of the
Technician’s Handbook
).
Document Version 1.0
89
Troubleshooting Guide
Summary of Contents for MiVoice Business 3300 ICP
Page 1: ...MiVoice Business Troubleshooting Guide Release 9 4 SP1 Document Version 1 0 June 2022 ...
Page 10: ...Introduction Document Version 1 0 Troubleshooting Guide 4 ...
Page 45: ...Figure 4 DNS setting on MSL server manager ...
Page 323: ...Diagnosing Problems Document Version 1 0 317 Troubleshooting Guide ...