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Chapter 13
Configuring GVRP
Note
Modifying the GARP timer values affects the behavior of all GARP applications running on the switch,
not just GVRP. (For example, GMRP uses the same timers.)
You can modify the default GARP timer values on the switch.
When setting the timer values, the value for leave must be greater than three times the join value (leave
>= join * 3). The value for leaveall must be greater than the value for leave (leaveall > leave).
If you attempt to set a timer value that does not adhere to these rules, an error message is displayed. For
example, if you set the leave timer to 600 ms and you attempt to configure the join timer to 350 ms, an
error message is displayed. Set the leave timer to at least 1050 ms and then set the join timer to 350 ms.
Set the same GARP timer values on all Layer 2-connected devices. If the GARP timers are set differently
Caution
on Layer 2-connected devices, GARP applications (for example, GMRP and GVRP) do not operate
successfully.
To adjust the GARP timer values, perform this task in privileged mode:
Task
Step 1
Set the GARP timer values.
Step 2
Verify the configuration.
This example shows how to set GARP timers and verify the configuration:
Console> (enable) set garp timer leaveall 10000
GMRP/GARP leaveAll timer value is set to 10000 milliseconds.
Console> (enable) set garp timer leave 600
GMRP/GARP leave timer value is set to 600 milliseconds.
Console> (enable) set garp timer join 200
GMRP/GARP join timer value is set to 200 milliseconds.
Console> (enable) show garp timer
Timer
--------
Join
Leave
LeaveAll
Console> (enable)
Displaying GVRP Statistics
To display GVRP statistics on the switch, perform this task:
Task
Display GVRP statistics.
This example shows how to display GVRP statistics for port 1/1:
Console> (enable) show gvrp statistics 1/1
Join Empty Received:
78-12647-02
Timer Value (milliseconds)
--------------------------
200
600
10000
0
Software Configuration Guide—Catalyst 4000 Family, Catalyst 2948G, Catalyst 2980G, Releases 6.3 and 6.4
Command
set garp timer {join | leave | leaveall}
timer_value
show garp timer
Command
show gvrp statistics [mod_num/port_num]
Configuring GVRP
13-7
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