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Configuring IP Addressing
IP Configuration
Note The switch uses the IP default gateway only while operating as a Layer 2
device. While routing is enabled on the switch, the IP default gateway is not
used. Thus, to avoid loss of Telnet access to off-subnet management stations,
you should use the ip route command to configure a static (default) route
before enabling routing. For more information, refer to the chapter titled “IP
Routing Features” in the Multicast and Routing Guide for your switch.
Configure Time-To-Live (TTL). The maximum number of routers (hops)
through which a packet can pass before being discarded. (The default is 64.)
Each router decreases a packet’s TTL by 1 before forwarding the packet. If a
router decreases the TTL to 0, the router drops the packet instead of forward-
ing it.
Syntax: ip ttl <number-of-hops>
ProCurve(config)# ip ttl 60
In the CLI, you can execute this command only from the global configuration
level. The TTL default is 64, and the range is 2 - 255.
Web: Configuring IP Addressing
You can use the web browser interface to access IP addressing only if the
switch already has an IP address that is reachable through your network.
1. Click on the Configuration tab.
2. Click on
[IP Configuration].
3. If you need further information on using the web browser interface, click
on
[?] to access the web-based help available for the switch.
How IP Addressing Affects Switch Operation
Without an IP address and subnet mask compatible with your network, the
switch can be managed only through a direct terminal device connection to
the Console RS-232 port. You can use direct-connect console access to take
advantage of features that do not depend on IP addressing. However, to realize
the full capabilities ProCurve proactive networking offers through the switch,
configure the switch with an IP address and subnet mask compatible with
your network. The following table lists the general features available with and
without a network-compatible IP address configured.
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