Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

  • Congratulations Mike Lewis on being selected by the Tek-Tips community for having the most helpful posts in the forums last week. Way to Go!

Route Pattern Question 1

Status
Not open for further replies.

ahmedmid

IS-IT--Management
Sep 2, 2008
11
EG
Can any one explain to me what the wild card " @ " exactly do?
I read the cisco help but I don't understand it well.
This is the explaination of cisco

"The route pattern 9.@ routes or blocks all numbers that the NANP recognizes.

The following route patterns examples show NANP numbers that the @ wildcard encompasses:

0
1411
19725551234
101028819725551234
01133123456789"

Can any one clear this to me.
 
The @ symbol represents or 'matches' any number that is in the North American Numbering Plan. When you use @ in a Route Pattern, you also need to define a Route Filter and apply it to the RP. In this way you define the types of numbers that the @ symbol represents. ie. LD, 10 digit Local, 7 digit local, etc.
So if you create a Route Filter that defines a group of numbers as Area Code = 419, then when this RF is applied to a 9.@ RP, @ represents any 11 digit number of 1419XXXXXXX. If the RF was Local Area Code = 419, @ represents any 10 digit 419XXXXXXX number.
Route Filters are very powerful and can be confusing. The biggest mistake I've seen people make in a RF is trying to do too much in a single RF. You can't define both an Area Code and Local Area Code in a single RF but you can define 100's of Local Area Codes in a single RF.
 
Status
Not open for further replies.

Part and Inventory Search

Sponsor

Back
Top