VPN-NAT problem
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Posted by on March 15, 2006, 7:21 am
Please log in for more thread options with an external client but have encountered a problem: Our LAN is an 10.34.10.0/24 Class C but the resources on the network we need to connect to is a 10.0.0.0/11 Class A range. The network administrators of the other LAN have given us their public IP gateway address and have been assigned an encryption domain in the 172.20.44.0/28 Class C range, we have consequently reserved a range of 14 addresses (10.34.10.33-46) to match it. Our problem is that we are unable to convert our inside LAN range to the outside encryption domain range of the other network. The IKE negotiating starts but ends abruptly, caused by invalid requests from host in the 10.* range instead of the required 172.*. We have can't alter our network infrastructure for various reasons and the adsl\router is currently used in SUA mode for the internal LAN. What specification must the router have to solve this problem as the one listed below can't do it. Any help would be appreciated Ciao Zyxel Prestige 652 Series Internet Access Sharing =B7 RFC 791 for IP, RFC 826 for ARP, and ICMP support =B7 NAT/PAT support =B7 Multi-NAT (Network Address Transmission) support =B7Dynamic DNS Network Protocols =B7IEEE 802.1d Transparent bridging =B7IP routing supports RIP-1 and RIP-2 Management Support =B7 Menu-driven user interface =B7 Command-line interpreter (CLI) =B7 Password-protected Telnet support =B7 Web-based Graphical User Interface (GUI) configuration =B7 SNMP support =B7 TFTP and FTP firmware upgrade and configuration backup and restore =B7 Built-in diagnostic tool Firewall =B7 Filter on source and/or destination IP address/port value =B7 Stateful Packet Inspection =B7 Denial of Service =B7 URL blocking =B7 Attack Alert and logs =B7 Access Control Virtual Private Network =B7 Support Two IPSec connections =B7 Internet Key Exchange including Aggressive Mode =B7 IPSec with AH, ESP =B7DES (56-bit) and 3DES (168-bit) encryption Physical Interface =B7 One RJ -45 port for Ethernet LAN connection =B7 One RJ-11 or RJ-45 port for ADSL connection =B7 One DB-9F RS-232 Console for local configuration and management =B7 One DB-9M RS-232 Console for Dial backup Other Features =B7 Dial Backup =B7 UPnP =B7 ZyXEL Centralized Network Management support* | ||||||||||
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