MPLS - ISP provider change - configuration changes on the CUCM/UNITY/GATEWAY !

Abhishek Singh · ‎10-07-2011

Hi ,

Problem Description :

I have a query with regards to the call manager and unity where we are moving from an old ISP to a new one ( BT to Q-est ) , and surely there would be a change on the MPLS front , as a new router would bring in the new ip address and several other things.

I would kindly request you to let me know what would be the changes on the call manager unity and gatekeepers ( that we have ) as we move to a new provider with regards to the MPLS.

--> CCM VERSION : 8.0.3.2000-2 , 2 nodes in the cluster.

i am also attaching a show hardware and show version output from the ccm cli :

admin:show hardware

HW Platform : 7825I4

Processors : 1

Type : Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz

CPU Speed : 3000

Memory : 2048 MBytes

Object ID : 1.3.6.1.4.1.9.1.746

OS Version : UCOS 4.0.0.0-43

Serial Number : KQ98B57

RAID Version :

Raid firmware version: 1.26.81.00

Raid Bios version: 6.16.00.00

BIOS Information :

IBM IBMBIOSVersion1.44-[M9E144AUS-1.44]- 06/11/2009

RAID Details :

LSI Logic IR Configuration Utility 2.00.15

Read configuration has been initiated for controller 0

------------------------------------------------------------------------

Controller information

------------------------------------------------------------------------

Controller type : SAS1064E

BIOS version : 6.16.00.00

Firmware version : 1.26.81.00

Channel description : 1 Serial Attached SCSI

Initiator ID : 112

Maximum physical devices : 62

Concurrent commands supported : 266

Slot : 0

Bus : 1

Device : 0

Function : 0

RAID Support : Yes

------------------------------------------------------------------------

IR Volume information

------------------------------------------------------------------------

IR volume 1

Volume ID : 2

Status of volume : Okay (OKY)

RAID level : 1

Size (in MB) : 237464

Physical hard disks (Target ID) : 4 3

------------------------------------------------------------------------

Physical device information

------------------------------------------------------------------------

Initiator at ID #112

Target on ID #3

Device is a Hard disk

Enclosure # : 1

Slot # : 1

Target ID : 3

State : Online (ONL)

Size (in MB)/(in sectors) : 238475/488397168

Manufacturer : ATA

Model Number : WD2502ABYS-23B7A

Firmware Revision : 3B07

Serial No : WD-WCAT1H867603

Drive Type : SATA

Target on ID #4

Device is a Hard disk

Enclosure # : 1

Slot # : 0

Target ID : 4

State : Online (ONL)

Size (in MB)/(in sectors) : 238475/488397168

Manufacturer : ATA

Model Number : WD2502ABYS-23B7A

Firmware Revision : 3B07

Serial No : WD-WCAT1H865984

Drive Type : SATA

------------------------------------------------------------------------

Enclosure information

------------------------------------------------------------------------

Enclosure# : 1

Logical ID : 5005076b:064e0a34

Numslots : 4

StartSlot : 0

Start TargetID : 0

Start Bus : 0

------------------------------------------------------------------------

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

We have gatekeepers located at remote location.

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

Active Master Version: 8.0.3.20000-2

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

: show network status

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i would be really grateful if somebody can let me know what would be the configuration changes on the CUCM and UNITY when we change the MPLS provider, if somebody can respond asap, would really appreciate it as the deal with the ISP provider is due this monday and wanted to iron out all possibilities on the cucm and unity part , if there is one !

Whatever level you reach getting better never stops -- Sachin Tendulkar

Abhishek Singh · ‎10-07-2011

Would really appreciate a response on this , please.

Hello , i had a word with the MPLS folks over the MPLS domain and they mentioned that although the applications ae not affected by the technology that is being used to move the packets but they suggested that since it requires the changing of ip address as well, so the best suggestion should come up from the VOIP techies, so kindly wanted to know from the VoIP wizards here that would the cucm and unity be affected by the MPLS changes being done. As i have mentioned earlier, we are chaging the ISP from BT to Q-est . We currently use static routes with them . They would a need to change the routing in their cloud so that 10.X.XX.X/20 goes directly to the India circuit. Right now it is pointed to Munich for Europe and Wilton for North America (our locations) They would also need to add 10.X.XX.X/22 because wein India will eventually change to that subnet. Then the routes would need to be changed on the Munich and Wilton gateways from BT to Qwest. So wanted to know all these changes would affect the call manager as the IP address is being changed in the given scenario.

Whatever level you reach getting better never stops -- Sachin Tendulkar

Abhishek Singh · ‎10-07-2011

Still no no response.

i really hoped somebody from the VoIP domain would have certainly faced this kind of issue.

Whatever level you reach getting better never stops -- Sachin Tendulkar

Abhishek Singh · ‎10-09-2011

Can nobody answer this small query in the VoIP domain ... still waiting .

Whatever level you reach getting better never stops -- Sachin Tendulkar