Special Forums UNIX and Linux Applications Infrastructure Monitoring Firewall / Network isolation inquiry Post 302300174 by avronius on Monday 23rd of March 2009 11:51:32 AM
Firewall / Network isolation inquiry

Good morning folks,

A good friend of mine has a network where every host has two paths to the file servers (two NICs & two networks for all hosts).

Normally speaking, one network will be used for regular application traffic - license servers, itunes library, collaboration tools - while the other will be used for infrastructure traffic - AFS cluster, SNMP, etc.

Currently, the application traffic is saturating both networks, resulting in poor AFP and NFS performance. Ideally, he'd like to firewall the traffic on the host - directing applications to use ports on 192.168.2, while allowing the higher bandwidth (mission critical) traffic to use 192.168.3 without being impacted by the collaboration stuff.

Using the two example networks above, can you recommend what he might need to change / implement in order to isolate services in this fashion?

- Avron
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netconfig(8)						      System Manager's Manual						      netconfig(8)

netconfig - Launches the SysMan Menu to the Network Setup Wizard SYNOPSIS
/usr/sbin/netconfig /usr/sbin/sysman net_wizard DESCRIPTION
The Network Setup Wizard of the SysMan Menu can be used to configure and modify the configuration of a TCP/IP network on a Tru64 UNIX sys- tem. Use the Network Setup Wizard, netconfig, to do the following: Configure network interfaces, such as Ethernet, FDDI and Token Ring and existing ATM interfaces Enable and disable the following daemons: gated, joind, routed, and rwhod Configure the system as an IP router Add, modify, and delete entries in the following files: /etc/routes, /etc/gateways, etc/hosts, /etc/hosts.equiv, and /etc/networks Online help is available for the Network Management dialog boxes. To get help, click on any Help button. RESTRICTIONS
You must be root or have the appropriate privileges to run this application. FILES
Specifies the environment variables that define the netconfig configuration on your system Specifies Internet routing information Specifies the host name file Specifies the trusted hosts file Specifies the network name file Specifies Internet static routing information SEE ALSO
Commands: ifconfig(8), netsetup(8), rc.config(8), rcinet(8), sysman_menu(8) Files: gateways(4), hosts(4), hosts.equiv(4), networks(4), routes(4) Networking: network_manual_setup(7) netconfig(8)

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