
Configuring IP, ARP, RIP, and OSPF Services
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Using Site Manager
To set the TTL value, complete the following tasks:
Allowing an All-Zero or All-One Subnet Address
By default, an IP address with a subnet portion of all zeros or all ones is an illegal
address.
You can configure IP to allow an all-zero or all-one subnet address. Enable this
feature with caution, however, for it can result in an ambiguous address. For
example, if an all-zero subnet address and an all-zero broadcast address are both
valid, the router cannot distinguish an all-subnets broadcast from a directed
broadcast for the zero subnet.
Using the BCC
To allow an all-zero or all-one subnet address, navigate to the IP global prompt
(for example,
box; ip
) and enter:
all-subnets enabled
For example:
ip#
all-subnets enabled
ip#
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
Global
. The Edit IP Global Parameters window
opens.
4. Set the
Default TTL
parameter. Click on
Help
or see the parameter description on
page A-21
.
5. Click on
OK
. You return to the Configuration Manager
window.
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