changing ethernet functionality/connection - PBX Info :: Your Free PBX, PABX and Telephone Information Resource

simmy · 11-14-2003, 09:16 PM

x11 r25.10

We are currently using an ethernet port on the PBX to connect directly to an SECC server via crossover cable. I want to change this config to add the PBX to our LAN- mainly so I can send traps to our network monitoring server. I am pretty clear as to how to change the IP addressing on both the PBX and SECC server..Also, I am clear as to how to send open alarms to any LAN address. But here is my problem

current config (in the M1)
Host address (M1)- 192.168.1.10
default gateway - 192.168.1.11

the SECC server address is 192.168.1.11

Here is basically what it will look like once I add these devices to our LAN-
M1- 10.100.112.2
SECC - 10.100.112.3
default gateway for each - 10.100.112.1

I understand (I think) how to define where to send SNMP traps to-
ld 117
=> set open_alarm 0 10.100.x.x

However-
Since the default gateway is the address of the SECC server (in the current config), I am afraid that simply making the changes above will cut off communication from the PBX to the SECC server. How do I define within the PBX that the SECC servers address is 10.100.112.3, rather than just routing everything to the gateway? make sense?

Steamer · 11-14-2003, 09:53 PM

You don't need to configure the SECC address on the M1 but you will have to change the M1 address in SECC.
Remember you MUST isolate the M1 from the customer LAN by a router.

Machivelli · 11-20-2003, 01:59 PM

Big Red Flag just popped up.
When you say your adding this to your LAN are you talking about your CLAN (Customer LAN) where all of your workstations and servers reside? In other words how are you blocking broadcast messages? Hopefully you’ve read up about that, but if not I’m sure there are a host of people in here that will attest to the problems broadcast messages will have on your switch. As for the Symposium, Steamers right, there’s nothing to configure on the PBX. All you need to do is set up Symposium with the correct IP’s. Is there any other server (I.E. OTM, Call Pilot) attached to the PBX?

simmy · 11-20-2003, 02:56 PM

I will be adding to my CLAN- but will be isolating it from the rest of the network by creating a VLAN which only includes the SECC server and the PBX. Also, I will create access lists that will deny ALL traffic from entering the VLAN- and then defining exactly what can enter on a case by case basis. Both will be plugged directly in to a router- there will be a subnet and VLAN that includes only these 2 devices (for now) - obviously, any server like OTM would be connected within this VLAN/subnet as well..

I do not have OTM or Call pilot now... but this will help me illustrate my worries... Lets say I was adding OTM to this VLAN too.. How does the PBX know the difference between the SECC server and the OTM server unless I define the difference within the PBX? For example- a call comes in to a CDN which is acquired by SECC- the PBX knows it needs to send a packet off to the SECC server to find out where to point this call... Since there are 2 devices on this VLAN other than the PBX, how does the PBX know which device to send the packet to?

Maybe I am over thinking this?

mrmike · 11-20-2003, 05:07 PM

Sounds like your going down the right road. Just make sure that the VLAN
is completely partioned off. If packets start hitting the PBX, it will INI or sysload. I think the packet hits both of the servers and only the secc responds back, not sure on that one.

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