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Multi-Media Site: Connection Configuration
40
Setting a Router’s Mappings
Fig. 3–10. NAT Configuration: Router Settings.
Supply the three destination ports for Multi-Media unit to the network administrator of the router.
Indicate that they need to be mapped to the Outside IP Source Ports on the router, and to the
unit’s LAN IP Address. See table
3–5, below, or figures 3–8 and 3–10.
Table 3–5 Router Mappings: Example for Operation of Multi-Media Units
Admin settings to: destination Network device: mappings
NAT Port
(to network device)
Device’s Outside IP
(constant)
Physical Port
(firewall & unit)
Inside IP
(unit’s address)
unit “A”
Session: 49,200* 164.178.32.59 > 10,000 192.168.101.2
Maintenance: 49,201 as above > 10,001 map as above
FTP: 49,202 as above > 21 map as above
unit “B”
Base: 49,300* same IP as above > 10,000 192.168.101.3
Maintenance: 49,301 as above > 10,001 map as above
FTP: 49,302 as above > 21 map as above
* Values are arbitrary. Consult the network administrator for appropriate NAT port values.