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Configuring the ISDN Interface
To configure the ISDN interface for bandwidth on demand, include the
at the
[edit interfaces br-pim/0/port]
dialer-options {
}
Each ISDN interface must use the same dialer pool name to participate in the
bandwidth-on-demand configuration.
Example: Configuring Bandwidth on Demand
Figure 74 on page 883 illustrates a bandwidth-on-demand configuration using multiple
physical ISDN interfaces.
Figure 74: Bandwidth-on-Demand Topology
[edit interfaces]
Configuration for the
dl0 {
Dialer Interface
—Protocol family information for the logical interface. For
family
inet
(for Internet Protocol version 4 [IPv4]) suite.
—Dialer filter name. The dialer filter applied here is configured at the
filter
[edit firewall family inet]
hierarchy level and also applied to the physical ISDN
interface.
—Maximum size, in bytes, for multilink packet fragments. Any
fragment-threshold
nonzero value must be a multiple of 64 bytes. The value can be between
and
. The default is
16320
mrru
—Maximum received reconstructed unit (MRRU), in bytes. The value can
be between
and
1500
4500
negotiate-address
—For interfaces with Point-to-Point Protocol (PPP) encapsulation,
enable the interface to be assigned an IP address by the remote end.
[edit interfaces br-pim/0/port dialer-options]
pool pool-name;
encapsulation multilink-ppp;
unit 0 {
dialer-options {
pool 10;
dial-string 5552222; #Phone number to be dialed
load-threshold 95;#Dial more ISDN if load exceeds 95% of
#current capacity
}
fragment-threshold 1024; #Allowed only when dialer is in multilink mode
Chapter 60: Configuring ISDN Interfaces
bytes (no fragmentation).
0
. The default is
bytes.
1500
hierarchy level:
Configuring ISDN Logical Interface Properties
, specify
family
128
statement
pool
883
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