Date: Thu, 28 Mar 2024 18:04:46 +0100 (CET)
Message-ID: <1121586183.5930.1711645486176@k5115.pixsoftware.de>
Subject: Exported From Confluence
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Description:
If your Internet provider assigns you an additional public IP address ra=
nge it usually is a separate IP range which is not adjacent to the existing=
address range. The existing Internet remote site can be used for the addit=
ional IP address range. However the IP addresses have to be entered in the =
router configuration and the handling of ARP requests has to be modified.=
p>
This article describes the necessary configuration changes so a separate=
IP address range can be used.
Requirements:
- LCOS as of version 9.24 (download latest version)
- SSH client for accessing the CLI (e.g. PuTTY)
- Any web browser for accessing WEBconfig (optional)
- Configured and functional Internet connection (Plain Ethernet) with several discontiguous IP address ranges<=
/li>
Procedure:
1) Configuring the IP addresses of the separate IP address range=
in the router:
The IP addresses can be configured in the following menu items:
2) Allow ARP requests from any network:
The upstream provider router will send ARP requests from the separate IP=
address range with a corresponding source address. As this network isn't k=
nown to the router (no remote site with matching IP address range), the ARP=
packets will be discarded. In order for the router to accept ARP requests =
from a separate IP address range the handling of ARP requests from non loca=
l networks has to be modified (Non-Loc.-ARP-Replies).
Connect to the CLI of the router via SSH and enter the following command:<=
/p>
set Setup/TCP-IP/Non-Loc.-ARP-Replies yes
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