Administrator Guide

new key. This process ensures that the neighbors learn the new key and communication is not disrupted by
keeping the old key enabled.
After the reply is received and the new key is authenticated, delete the old key. Dell recommends keeping only one
key per interface.
NOTE: The MD5 secret is stored as plain text in the configuration file with service password
encryption. Write down or otherwise record the key. You cannot learn the key once it is
configured. Use caution when changing the key.
ip ospf mtu-ignore
Disable OSPF MTU mismatch detection upon receipt of database description (DBD) packets.
C9000 Series
Syntax
ip ospf mtu-ignore
To return to the default, use the no ip ospf mtu-ignore command.
Defaults Enabled.
Command Modes INTERFACE
Command History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.9(0.0) Introduced on the C9010.
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
7.6.1.0 Introduced on the S-Series.
7.5.1.0 Introduced on the C-Series.
6.1.1.1 Introduced on the E-Series.
ip ospf network
Set the network type for the interface.
C9000 Series
Syntax
ip ospf network {broadcast | point-to-point}
To return to the default, use the no ip ospf network command.
Parameters
broadcast Enter the keyword broadcast to designate the interface as part of a broadcast
network.
point-to-point Enter the keywords point-to-point to designate the interface as part of a point-to-
point network.
Defaults Not configured.
Command Modes ROUTER OSPF
1098 Open Shortest Path First (OSPFv2 and OSPFv3)