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Incoming Call Mapping Example
This example, as shown in
requests coming from different remote peers and maps each incoming call to the correct IP
interface (Dialer interface).
Node A (Calling Node) Configuration
The following commands add a dialer pool member and set the Central Office switch type on BRI
port 1/0:
XSR(config)#interface bri 1/0
XSR(config-if<BRI-1/0>)#isdn switch-type basic-net3
XSR(config-if<BRI-1/0>)#dialer pool-member 25
XSR(config-if<BRI-1/0>)#no shutdown
The following commands define a dialer group, add a dialer pool, set a 25-second idle timeout,
and map BRI interface 1/0 to Dialer interface 1. The
Node B, specifying Node B's IP address and phone number as well as enables spoofing on the
network. Optionally, you can specify a clear text password be sent to the peer for PAP
authentication.
XSR(config)#interface dialer 1
XSR(config-if<D1>)#no shutdown
XSR(config-if<D1>)dialer pool 25
XSR(config-if<D1>)encapsulation ppp
! XSR(config-if<D1>)#ppp pap sent-username toronto password q
XSR(config-if<D1>)dialer idle-timeout 20
XSR(config-if<D1>)dialer-group 3
XSR(config-if<D1>)dialer map ip 10.10.10.2 2400
XSR(config-if<D1>)ip address 10.10.10.1 255.255.255.0
The following command defines interesting packets for the dial out trigger by configuring ACL 101
to pass all Type 8 source and destination ICMP packets up to 20 idle seconds:
XSR(config)#access-list 101 permit icmp any any 8
The following command maps ACL 101 to dialer group 3:
XSR(config)#dialer-list 3 protocol ip list 101
Figure
10-10, configures a node capable of handling multiple call setup
Figure 10-10
IP address 10.10.10.1
phone# 2300
name toronto
Node A
[XSR]
Connection
requests
Node D
[XSR]
Incoming Call Mapping Topology
ISDN
IP address 20.20.20.4
phone# 2600
name boston
dialer map
Answering Incoming ISDN Calls
IP address 10.10.10.2
IP address 20.20.20.2
phone# 2400
Node B
.
[XSR]
command directs Node A to call
XSR User's Guide 10-21
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Troubleshooting
