
Configuring IP, ARP, RARP, RIP, and OSPF Services
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Using the BCC
To set the MTU size, go to an OSPF interface prompt (for example,
box; eth 2/2;
ip/2.2.2.2/255.255.0.0; ospf
) and enter:
mtu
<
size>
size
is one of the following:
• 1
(the default setting) indicates the same MTU size specified for the physical
interface on which OSPF is configured.
•
2
indicates the same MTU as for Ethernet (1500).
• Any integer from 3
through
10000
indicates that this value should be used for
the MTU. This value must be less than the MTU size specified for the
physical interface and greater than the MTU size specified for the IP interface
on which OSPF is configured (if you configured an IP MTU value that is
different from the MTU size of the physical interface).
For example, the following command sets the MTU to 2 on IP interface 2.2.2.2. A
value of 2 sends packets no larger than the MTU size for Ethernet (1500).
ospf/2.2.2.2#
mtu 2
ospf/2.2.2.2#
Using Site Manager
To specify the MTU size, complete the following tasks:
Note:
When running OSPF over a synchronous/PPP link, set the MTU size to
a value less than the synchronous MTU size (1600). This setting allows all
OSPF routes to be learned over the link.
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.
(continued)
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