From: Todd Veillette (tveillette@myeastern.com)
Date: Thu Sep 04 2003 - 01:09:58 GMT-3
500 users 65,000 or so sessions per ip via pat. Quite a bit of room there.
Run overload on 1 ip and run the nine separate no overload. Nine people will
get a 1 to 1. You can the pull IP's off the pool for static inbound
servers on a 1 to 1
Never actually tried separate overload statements/single ip. The pix will do
separate
global ip's.
-TV
----- Original Message -----
From: "Kenneth Wygand" <KWygand@customonline.com>
To: <ccielab@groupstudy.com>
Sent: Wednesday, September 03, 2003 2:29 PM
Subject: NAT - How Many IP Addresses to Overload?
> When NAT is overloaded for a large network to a public IP address range,
> how many IP addresses are generally required / suggested? Of course the
> actual number will depend on traffic patterns and number of simultaneous
> connections.
>
>
>
> The reason I ask is because I configured a 500-user network to an
> overloaded dynamic NAT pool of 10 IP addresses. When I do a "show IP
> nat translations", I see every connection is being NAT'ed to the first
> IP address of the pool on high port numbers. Based on this behavior, it
> is my assumption that NAT will not round-robin to select the public IP
> address to use for a session, but rather select the first available IP
> address in the pool at the time of the translation request.
>
>
>
> Any real-world experience or suggestions on this topic?
>
>
>
> Kenneth E. Wygand
> Systems Engineer, Project Services
>
> CISSP #37102, CCNP, CCDP, MCP 2000, CNA 5.1, Network+, A+
> Custom Computer Specialists, Inc.
>
> "It's not just about ending up where you want to be, it's about making
> the most of the trip there."
> -Anonymous
>
>
> _______________________________________________________________________
> You are subscribed to the GroupStudy.com CCIE R&S Discussion Group.
>
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Wed Oct 01 2003 - 07:24:22 GMT-3