User's Manual 112 Document #: LTRT-65417
MP-11x & MP-124
Subnets in different interfaces must not be overlapping in any way (i.e. defining two
interfaces with 10.0.0.1/8 and 10.50.10.1/24 is invalid). Each interface must have its
own address space.
The Prefix Length replaces the dotted-decimal subnet mask presentation. This column
must have a value of 0-30 for IPv4 interfaces.
Only one OAMP interface must be configured, and this must be of address type IPv4.
This OAMP interface can be combined with Media and Control interfaces.
At least one IPv4 interface for Control must be configured.
At least one IPv4 interface for Media must be configured.
The application types may be mixed, for example:
• One IPv4 interface for OAMP, Media, and Control (without VLANs).
• One IPv4 interface for OAMP, one other or more IPv4 interfaces for Control, and
one or more IPv4 interfaces for Media (with VLANs).
• One IPv4 interface for OAMP and Media, one other or more IPv4 interfaces for
Media and Control.
• Other configurations are also possible while adhering to the above-mentioned
rule.
Each network interface may be defined with a default gateway. This default gateway
address must be in the same subnet as the associated interface. Additional static
routing rules may be specified in the IP Routing table.
The 'Interface Name' column may have up to 16 characters. This column must have a
unique value for each interface and must not be left blank.
Primary and Secondary DNS server addresses may be configured per interface. Note:
Currently, the device supports DNS configuration for only one interface.
For IPv4 interfaces, the 'Interface Mode' column must be set to IPv4 Manual (numeric
value 10).
When using VLANs, each network interface must be assigned a unique VLAN ID.
When defining more than one interface of the same address family, VLANs must be
enabled (using the VlanMode parameter).
VLANs become available only when booting the device from flash. When booting
using BootP/DHCP protocols, VLANs are disabled to allow easier maintenance
access. In this scenario, multiple network interface capabilities are unavailable.
The Native VLAN ID may be defined using the 'VlanNativeVlanId' parameter. This
relates untagged incoming traffic as if reached with a specified VLAN ID. Outgoing
traffic from the interface which VLAN ID equals to the Native VLAN ID are tagged with
VLAN ID 0 (priority tag).
Quality of Service parameters specify the priority field for the VLAN tag (IEEE 802.1p)
and the DiffServ field for the IP headers. These specifications relate to service
classes.
When booting using BootP/DHCP protocols, the address received from the
BootP/DHCP server acts as a temporary OAMP address, regardless of the address
specified in the Multiple Interface table. This configured address becomes available
when booting from flash.
Network configuration changes are offline. The new configuration must be saved and
becomes available at the next startup.
Upon system start up, the Multiple Interface table is parsed and passes comprehensive
validation tests. If any errors occur during this validation phase, the device sends an error
message to the Syslog server and falls back to a "safe mode", using a single interface and
no VLANs. Ensure that you view the Syslog messages that the device sends in system
startup to see if any errors occurred.
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