Firewall-1

[FW-1] mtu value on checkpoint vpn

Subject: [FW-1] mtu value on checkpoint vpn
From: Sena Angelo <angelo.sena AT ATOSORIGIN DOT COM>
To: FW-1-MAILINGLIST AT AMADEUS.US.CHECKPOINT DOT COM
Date: Wed, 27 Apr 2005 10:24:04 +0200
Hi,
I have a problem with the vpn site to site when I use the connection into a
GRE tunnel.
The problem is that if one pc start a vpn connection, if this pc need to
negotiate the MTU value, this is inside the tunnel GRE and cannot be
understood from the other site.
Someone know if is it possible to change the MTU value on the single VPn on
the Checkpoint Firewall-1 firewall? (using some parameter on the policy
rule?).
If I change the MTU value on the single pc, the application works fine, but
I must change the MTU on any pc.
We use a Checkpoint Firewall-1 NG AI R55.
Thanks in advanced.
Ciao

Angelo Sena
Network services

> Atos Origin
Viale Carlo Viola, 76 - 11026 Pont Saint Martin (AO) - Italy

Tel:  +39.0125.810.718
Fax: +39.0125.810.340
E-mail: angelo.sena AT atosorigin DOT com

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