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Thread: Changing VLAN tags on firewall interfaces




Changing VLAN tags on firewall interfaces
user name
2006-10-24 12:59:40
Good morning,

I have a bit of a unique problem this morning.  I have a
need to change
the VLAN id's of the inside and outside interfaces of a HA
pair of
firewalls.  This needs to be done with zero downtime. 
Here's what I'm
thinking of doing...

 

1)     Login to the secondary(standby) firewall and change
the
/etc/sysconfig/netconf.C and netconf.C.keep files to reflect
the new
vlan IDs

2)     Login to the SmartCenter, and edit the topology of
the secondary
cluster member to reflect the new interface names. Then
saving the
policy.

3)     Rebooting the secondary firewall

4)     Logging in to the secondary firewall and changing the
management
interface to the new interface name.

5)     Push policy on the pair

6)     Making the switch changes to update the vlans

7)     Running a cpstop on the primary firewall to force the
secondary
to take over

8)     Performing steps 1-5 on the other firewall

 

I'm running NGX R60hfa03, HA new mode on Splat. 

 

Is this going to work?  Has anyone done the same thing and
have a better
set of suggestions? Your insight is greatly appreciated.

 

Regards,

 

-Luke

 

Luke Marty

Network Security Engineering

 


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Changing VLAN tags on firewall interfaces
user name
2006-10-24 16:49:06
I don't see anything wrong with this procedure, and while I
thought about
it, I wondered if you should push the policy to both members
of the cluster
or not.  After discussing it with engineers around here, we
don't think that
pushing the policy to both members would be a problem.

Let us know if you run into any problems =)

Jason


On 10/24/06, Marty, Luke <luke.martynwa.com> wrote:
>
> Good morning,
>
> I have a bit of a unique problem this morning.  I have
a need to change
> the VLAN id's of the inside and outside interfaces of a
HA pair of
> firewalls.  This needs to be done with zero downtime. 
Here's what I'm
> thinking of doing...
>
>
>
> 1)     Login to the secondary(standby) firewall and
change the
> /etc/sysconfig/netconf.C and netconf.C.keep files to
reflect the new
> vlan IDs
>
> 2)     Login to the SmartCenter, and edit the topology
of the secondary
> cluster member to reflect the new interface names. Then
saving the
> policy.
>
> 3)     Rebooting the secondary firewall
>
> 4)     Logging in to the secondary firewall and
changing the management
> interface to the new interface name.
>
> 5)     Push policy on the pair
>
> 6)     Making the switch changes to update the vlans
>
> 7)     Running a cpstop on the primary firewall to
force the secondary
> to take over
>
> 8)     Performing steps 1-5 on the other firewall
>
>
>
> I'm running NGX R60hfa03, HA new mode on Splat.
>
>
>
> Is this going to work?  Has anyone done the same thing
and have a better
> set of suggestions? Your insight is greatly
appreciated.
>
>
>
> Regards,
>
>
>
> -Luke
>
>
>
> Luke Marty
>
> Network Security Engineering
>
>
>
>
> =================================================
> To set vacation, Out-Of-Office, or away messages,
> send an email to LISTSERVamadeus.us.checkpoint.com
> in the BODY of the email add:
> set fw-1-mailinglist nomail
> =================================================
> To unsubscribe from this mailing list,
> please see the instructions at
> http:
//www.checkpoint.com/services/mailing.html
> =================================================
> If you have any questions on how to change your
> subscription options, email
> fw-1-ownerts.checkpoint.com
> =================================================
>

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Changing VLAN tags on firewall interfaces
user name
2006-10-25 20:52:19
Thanks for the Reply.

I performed this last night without a hitch, just in case
anyone else
hits the same problem.

-Luke

-----Original Message-----
From: Mailing list for discussion of Firewall-1
[mailto:FW-1-MAILINGLISTAMADEUS.US.CHECKPOINT.COM]
On Behalf Of chkp
tech
Sent: Tuesday, October 24, 2006 11:49 AM
To: FW-1-MAILINGLISTAMADEUS.US.CHECKPOINT.COM
Subject: Re: [FW-1] Changing VLAN tags on firewall
interfaces

I don't see anything wrong with this procedure, and while I
thought
about
it, I wondered if you should push the policy to both members
of the
cluster
or not.  After discussing it with engineers around here, we
don't think
that
pushing the policy to both members would be a problem.

Let us know if you run into any problems =)

Jason


On 10/24/06, Marty, Luke <luke.martynwa.com> wrote:
>
> Good morning,
>
> I have a bit of a unique problem this morning.  I have
a need to
change
> the VLAN id's of the inside and outside interfaces of a
HA pair of
> firewalls.  This needs to be done with zero downtime. 
Here's what I'm
> thinking of doing...
>
>
>
> 1)     Login to the secondary(standby) firewall and
change the
> /etc/sysconfig/netconf.C and netconf.C.keep files to
reflect the new
> vlan IDs
>
> 2)     Login to the SmartCenter, and edit the topology
of the
secondary
> cluster member to reflect the new interface names. Then
saving the
> policy.
>
> 3)     Rebooting the secondary firewall
>
> 4)     Logging in to the secondary firewall and
changing the
management
> interface to the new interface name.
>
> 5)     Push policy on the pair
>
> 6)     Making the switch changes to update the vlans
>
> 7)     Running a cpstop on the primary firewall to
force the secondary
> to take over
>
> 8)     Performing steps 1-5 on the other firewall
>
>
>
> I'm running NGX R60hfa03, HA new mode on Splat.
>
>
>
> Is this going to work?  Has anyone done the same thing
and have a
better
> set of suggestions? Your insight is greatly
appreciated.
>
>
>
> Regards,
>
>
>
> -Luke
>
>
>
> Luke Marty
>
> Network Security Engineering
>
>
>
>
> =================================================
> To set vacation, Out-Of-Office, or away messages,
> send an email to LISTSERVamadeus.us.checkpoint.com
> in the BODY of the email add:
> set fw-1-mailinglist nomail
> =================================================
> To unsubscribe from this mailing list,
> please see the instructions at
> http:
//www.checkpoint.com/services/mailing.html
> =================================================
> If you have any questions on how to change your
> subscription options, email
> fw-1-ownerts.checkpoint.com
> =================================================
>

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=================================================

=================================================
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send an email to LISTSERVamadeus.us.checkpoint.com
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