Application Delivery (ADX)

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Contributor
Posts: 27
Registered: ‎03-02-2010

Multiple ISP Setup

Hi All

I have a Serveriron GT and want to utlilize it for Link Banlacing of Multiple ISP connections

Would I be able to do this in GT Series or is it only supported in ServerIron XL (Link Balancer)

I think XL is End of Sales now, Is there any alternate to it now? , Would the ADX Support it.

Thanks and Regards

Kashif Zarif

External Moderator
Posts: 4,879
Registered: ‎02-23-2004

Re: Multiple ISP Setup

Hi,

I'm not a Big expert with this equipment.... see this note below, but show to me this is supported.

If no, so please ignore this Post.

Configuring Basic Multi-Zone FWLB
Figure 6.1 shows an example of a basic multi-zone FWLB configuration. In this example, each ServerIron is in a
separate zone:
• ServerIron Zone1-SI is in zone 1. By default, zone 1 contains all IP addresses that are not members of other,
user-configured zones. You can explicitly configure zone 1 but you do not need to. In the CLI configuration
example for this configuration, zone 1 is not configured. ServerIron Zone1-SI contains zone definitions for
zone 2 (the DMZ zone) but not for zone 1 or zone 3.
• ServerIron Zone2-SI is in zone 2 (the “DMZ” zone in this example). Zone 2 contains IP addresses in the
range 209.157.25.0/24 – 209.157.25.255/24. This ServerIron contains configuration information for zone 3
(the internal network zone) but does not contain definitions for zone 1 (the external network zone) or zone 2
(the DMZ zone itself).
• ServerIron Zone3-SI is in zone 3 (the “internal network” zone in the example). Zone 3 contains IP addresses
in the range 209.157.23.0/24 – 209.157.23.255/24. This ServerIron contains configuration information for
zone 2 (the DMZ zone) but does not contain definitions for zone 1 (the external network zone) or zone 3 (the
internal network zone itself).
When one of the ServerIrons receives traffic whose destination IP address is in another zone, the ServerIron selects

a path for the traffic based on the zone the destination IP address is in. For example, if a client on the
Internet sends traffic addressed to a server in zone 2, ServerIron Zone1-SI selects a path that sends the traffic
through a firewall to ServerIron Zone2-SI, which forwards the traffic to the server. (ServerIron Zone2-SI can be
configured to load balance traffic across multiple servers or can simply be used as a Layer 2 switch to forward the
traffic to the server.)
When ServerIron Zone2-SI forwards the server’s reply to the client, the ServerIron selects a path to ServerIron
Zone1-SI. ServerIron Zone2-SI knows the traffic goes to zone 1 because the destination IP address of the traffic
is not in its own sub-net (zone 2) or in zone 3.

TechHelp24
Contributor
Posts: 27
Registered: ‎03-02-2010

Re: Multiple ISP Setup

Thanks

Let me go through this.

Super Contributor
Posts: 1,087
Registered: ‎12-13-2009

Re: Multiple ISP Setup

I do not beleive that "link load balancing" is supported on GTE nor ADX.- only on the now end of live XL.

Super Contributor
Posts: 1,087
Registered: ‎12-13-2009

Re: Multiple ISP Setup

FWLB = FireWall Load Balaning, so will not do what he needs sorry.

External Moderator
Posts: 4,879
Registered: ‎02-23-2004

Re: Multiple ISP Setup

mschipp,

as said,

1. Apr 15, 2010 1:47 AM  in response to: kashif.zarif
Re: Multiple ISP Setup

Hi,
I'm not a Big expert with this equipment.... see this note below, but show to me this is supported.

If no, so please ignore this Post.

TechHelp24
Contributor
Posts: 27
Registered: ‎03-02-2010

Re: Multiple ISP Setup

Thanks Everyone

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