
Customizing OSPF Services
308627-14.00 Rev 00
6-35
Using Site Manager
To specify the MTU size, complete the following tasks:
Specifying the MTU Mismatch Detect
The mismatch detect controls the interpretation of the MTU field in the database
description packet header. According to RFC 2178, the MTU indicates the largest
size IP packet that an OSPF interface can receive. If the MTU of a packet is
greater than the MTU that the interface can receive, the packet is ignored, and an
adjacency is not formed. In RFC 1583, this field does not exist.
Using the BCC
To disable or reenable MTU mismatch detect, navigate to an OSPF interface
prompt (for example,
box; eth 2/2; ip/2.2.2.2/255.255.0.0; ospf
) and enter:
mtu-mismatch-detect
<state>
state
is one of the following:
enabled
(default)
disabled
Site Manager Procedure
You do this System responds
1. In the Configuration Manager window,
choose
Protocols
.
The Protocols menu opens.
2. Choose
IP
. The IP menu opens.
3. Choose
OSPF/MOSPF
. The OSPF/MOSPF menu opens.
4. Choose
Interfaces
. The OSPF Interfaces window opens.
5. Click on the OSPF interface that you want
to edit.
The parameter values for that interface
appear in the OSPF Interfaces window.
6. Set the
MTU Size
parameter. Click on
Help
or see the parameter description on
page A-48.
7. Click on
Apply
, and then click on
Done
. You return to the Configuration Manager
window.
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