Reference Guide

Version 7.6.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
pre-Version
6.1.1.1
Introduced on the E-Series.
Usage
Information
You can configure a maximum of six digest keys on an interface. Of the available six digest
keys, the switches select the MD5 key that is common. The remaining MD5 keys are unused.
To change to a different key on the interface, enable the new key while the old key is still
enabled. FTOS sends two packets: the first packet authenticated with the old key and the
second packet authenticated with the 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.
Z9000
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 FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 7.6.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
pre-Version
6.1.1.1
Introduced on the E-Series.
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