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Advanced Configuration and Management Guide
Modifying the TTL
The TTL defines the minimum value required in a packet in order for the packet to be forwarded out the interface.
For example, if the TTL for an interface is set at 10 it means that only those packets with a TTL value of 10 or more
are forwarded. Likewise, if an interface is configured with a TTL Threshold value of 1, all packets received on that
interface are forwarded. Possible values are from 1 – 64. The default value is 1.
USING THE CLI
To set a TTL of 64, enter the following:
HP9300(config)# int e 1/4
HP9300(config-if-1/4)# ip dvmrp ttl 60
Syntax: ttl-threshold <1-64>
USING THE WEB MANAGEMENT INTERFACE
To modify a DVMRP interface’s TTL:
1. Log on to the device using a valid user name and password for read-write access.
2. Click on the plus sign next to Configure in the tree view to expand the list of configuration options.
3. Click on the plus sign next to DVMRP in the tree view to expand the list of DVMRP option links.
4. Select the Virtual Interface
link to display a table listing the configured DVMRP Interfaces.
5. Click on the Modify button next to the interface you want to modify. The DVMRP Interface configuration panel
is displayed.
6. Enter a value from 1 – 64 in the Time To Live Threshold (TTL) field.
7. Click the Add button to save the changes to the device’s running-config file.
8. Select the Save
link at the bottom of the dialog. Select Yes when prompted to save the configuration change
to the startup-config file on the device’s flash memory.
Modifying the Metric
The routing switch uses the metric when establishing reverse paths to some networks on directly attached
interfaces. Possible values are from 1 – 31 hops. The default is 1.
NOTE: This command is not supported on HP switches.
USING THE CLI
To set a metric of 15 for a DVMRP interface, enter the following:
HP9300(config)# interface 3/5
HP9300(config-if-3/5)# ip dvmrp metric 15
Syntax: ip dvmrp metric <1-31>
USING THE WEB MANAGEMENT INTERFACE
To modify a DVMRP interface’s metric:
1. Log on to the device using a valid user name and password for read-write access.
2. Click on the plus sign next to Configure in the tree view to expand the list of configuration options.
3. Click on the plus sign next to DVMRP in the tree view to expand the list of DVMRP option links.
4. Select the Virtual Interface
link to display a table listing the configured DVMRP Interfaces.
5. Click on the Modify button next to the interface you want to modify. The DVMRP Interface configuration panel
is displayed.
6. Enter a value from 1 – 31 in the Metric field.
7. Click the Add button to save the changes to the device’s running-config file.
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