Nokia Network Voyager, Reference Manual

Page: 214 / 700

5
Configuring Interfaces
214 Voyager Reference Guide
18.
(Optional) Define the cost of the tunnel. Enter this cost in the
M
ETRIC
edit
box. This shows the route preference. Leave this as the default unless
there are many other multicast tunnels present in your network.
19. Click A
PPLY
.
20.
Perform steps 1 through 13 with addresses reversed on the exit point for
the multicast tunnel. In this example, the ISP has already done this for us.
21.
Ensure that DVMRP is running on all interfaces (Ethernet, ATM, FDDI)
on which the multicast is to be received (See
“Configuring DVMRP” ).
ARP Table Entries
Changing ARP Global Parameters
1.
Click
C
ONFIG
on the home page.
2. Click the ARP link under the Interfaces section.
3. Enter the keep time (in seconds) in the K
EEP
T
IME
field in the Global
ARP Settings section.
Keep time specifies the time, in seconds, to keep resolved dynamic ARP
entries. If the entry is not referenced and not used by traffic after the given
time elapses, the entry is removed. Otherwise, a request is sent again to
verify the MAC address. The range of the Keep Time value is 1 to 86400
seconds with a default of 14400 seconds (4 hours).
4.
Enter the retry limit in the
R
ETRY
L
IMIT
field in the Global ARP Settings
section.
The Retry Limit specifies the number of times to retry ARP requests until
holding off requests for the holdoff time, which is 20 seconds. Retry
requests occur at a rate of up to once per second. The range of retry limit
is 1 to 100 and the default value is 3.
5. If your network configuration requires it, click the button to enable the
appliance to accept multicast ARP replies.