LAN1, LAN2 and SIP Trunk Call Quality 2

[tac84]

Hey everyone,

Just looking for some advice and recommendations.

Recently, I started noticing Alarms in System Status for nearly all SIP phone calls I was making under call quality of service. I have a very small network (Home office) which consists of the following:

-Basic ISP provided Internet router (This is my DHCP server only because of the wireless situation)
-Netgear ProSAFE JGS516PE managed switch (more of a hybrid between unmanaged and some management)
-Avaya IP Office 500v2 running R11.0.4.2.0 build 58 (DHCP Disabled on LAN1/2)
-SIP Trunks
-Various J179 SIP, J169 SIP and 9641GS in H.323

My networking skills are basic. I'm self taught (hence why they're basic) but still like to read up as much as I can, but I wanted to make sure I'm on the right track and feel there is something basic I'm missing. My first thought was because everything was running on LAN1 was to introduce VLANs, which has helped reduce the problem. The VLANs I set up with the Netgear switch is VLAN1 (Default) for Data and VLAN10 for Voice. It was easy enough to manually input the VLAN ID into the IP phones, however I use passthrough for Laptops/PCs and a small amount of TV streaming services.

The other Idea I had was to have the IP Phones connect to the LAN2(WAN) or at least run the SIP traffic through this interface. I've never actually noticed the LAN2 (WAN) port on the back of the IPO working. I plug a network cable in and connect it to the switch and have no lights on either end, however I can ping the LAN2 address from any PC on the LAN1 interface that is using the IPO as a gateway. If the computer is using my internet router as a gateway, It obviously cannot see Lan2 at all. I can also ping the internet from LAN2 using system status.

I tried testing a couple of 9630Gs to connect to LAN2 and it won't work. Of course I had to input a static IP Address from LAN2 because if the DHCP server on my internet router provides an address, no go. I figure now the issue is my IP Routes in IPO or another setting. When I say it "won't work" meaning it won't pull down settings files etc on startup and says "Discover 192.168.10.1"

As mentioned earlier, there is no cable plugged into the LAN2/WAN port as I figured that if it isn't showing lights/activity it either isn't working or is pointless having a cable in. I did try starting a phone with the LAN2/WAN plugged into a port on the Netgear switch, but no go.

I've taken some screenshots of the settings and would really appreciate if anyone has any advice or even letting me know If I'm wasting my time trying to do this. I don't mind a challenge!

IP Routes in IP Office:

LAN 1

LAN 1 Network Topology

LAN 2

LAN 2 Network Topology

VLAN1 from Netgear switch

VLAN2 from Netgear switch

All ports PVID is VLAN 1 (Default) - data

Sorry for the long winded explanation but I know the more information everyone can see, the easier it might be to determine the issue. Appreciate any advice/feedback (positive or constructive). I try to do what I can to assist on this forum and have always had a great experience with you all.

Thank you in advance.


Thanks, Tim
Adelaide, Australia

 

[ipohead]

Not an answer to your question but can you show some example of the alarms?

I think the threshold is quite low as I've had alarms when I could not hear any issues with call quality.

You can turn the alarms off or adjust the default if you like.

I assume that on a small network with light traffic there shouldn't be any QOS issues and that these are down to the SIP trunks.

 

[Bucky101]

Hey,
FYI that area has always been completely wrong. I have seen it say things like RTT of 2000ms packet loss 99% but I know for a fact it isn't the case. I would disable it via LAN1 and LAN2 settings

 

[tac84]

Thanks for your feedback @ipohead & @Bucky101 - I'll have a good at disabling the alarms.

I'll have to keep an eye out for future alarms as I recently cleared them.

If anyone can see a problem with my IP Routes let me know.

Cheers

Thanks, Tim
Adelaide, Australia

 

[Bucky101]

Hey Tim,
If you are not using LAN2 then technically speaking you can delete all routes except your default route - 0.0.0.0

 

[tac84]

Thanks for clarifying @Bucky101.

Thanks, Tim
Adelaide, Australia

 

[tac84]

FYI here is a few of the call quality issues:

Uploaded/attached.

Cheers

Thanks, Tim
Adelaide, Australia

 

[Bucky101]

Yeah exactly...pretty sure you would notice a call with a 64 second delay. Would be like calling some guy on the Moon

 

[tac84]

@Bucky101 haha yep!

Still curious as to why I can't communicate with the LAN2 port. Plug a live LAN cable in, no lights. IP Phones won't talk to the LAN2 IP Address however I can Ping the LAN2 IP Address from a computer. Stupid thing.

Thanks, Tim
Adelaide, Australia

 

[janni78]

Are the Gatekeepers active on LAN2 ?

Normally there isn't a reason to use LAN2 tho, it's mainly something that's left there since the time it was a meant to be an all-purpose network device.

"Trying is the first step to failure..." - Homer

 

[tac84]

Hi @Janni78, Thanks for your help.

Do you mean enabling H.323, SIP, etc? - Yes, they're enabled. I CAN ping the LAN2 IP Address from a PC (even with nothing plugged into it) however no phone can ping/access LAN2.

What concerns me is that even with a LAN cable connected to the LAN2/WAN port into a live switch, no lights appear on either end...

Is there any setting in the IPO that could be completely disabling the port all together?

I'm starting to wonder if I have a faulty unit. I read some old TekTips posts and someone even suggested that a faulty VCM card could interfere with it but I couldn't see how that would be the case? I have the IPO 500v2 with the Combo Card (Comcode 700476013) and a VCM32 (Comcode 700417389)

Have you ever come across an issue like this?

Thanks, Tim
Adelaide, Australia

 

[tac84]

Forgot to mention, If I point the IP phones (Call Server) to the LAN2 IP Address - It won't pull down the settings/firmware files either. Just refuses to communicate with the LAN2 interface, yet I can ping it fine on a PC...

Thanks, Tim
Adelaide, Australia

 

[critchey]

I CAN ping the LAN2 IP Address from a PC (even with nothing plugged into it) however no phone can ping/access LAN2.

If you can ping the LAN2 IP without anything plugged into LAN2/WAN port then it sounds like you have an IP conflict. Have you tried connecting to LAN2 directly connected? (ethernet cable directly between WAN port and your computer with your computer on the 192.168.43.X subnet)

The truth is just an excuse for lack of imagination.

 

[tac84]

@Critchey - hi mate, thank you for your reply/help.
I've tried connecting directly to the LAN2/WAN port and no lights appear at all. I reckon the port is faulty.
Can't think of any other reason why I wouldn't see the lights when connecting a live lan cable to a switch or PC. I've even ordered a new chassis just to test my theory...

What are your thoughts given there is no activity lights on the LAN2/WAN port?

Thanks, Tim
Adelaide, Australia

 

[Bucky101]

Layer 1 or 2 issue. Should def have lights

 

[Bucky101]

Did you set your PC to 192.168.10.1?

 

[tac84]

@Bucky101 Thanks for the advice. I didn't bother changing the PC IP address as I figured the port was probably faulty.

Wouldn't the lights on the LAN2/WAN port light up regardless if a live LAN cable was connected regardless if it was in the same subnet?

Thanks, Tim
Adelaide, Australia

 

[Bucky101]

Yes they should but you said you could ping the LAN2 address. So I am wondering if you made you laptop the LAN2 address.
Make your laptop 192.168.10.2 and connect directly to LAN2 and ping 192.168.10.1

 

[tac84]

@Bucky101 - yep I can give that a try when I'm home.

The PC I was pinging from successfully at the time was on LAN1's switch/subnet (192.168.0.X) with the IPO LAN1 IP address as the Gateway. This was when nothing was plugged into the LAN2/WAN port.

Will give it another go when I'm home though.

Cheers

Thanks, Tim
Adelaide, Australia

 

[Bucky101]

oh no worries, that makes sense. It would be doing an internal route between LAN1 and LAN2 if your DG was IPO.
Worth a quick test but I would say your LAN2 port is dead.