NetTool

Users Manual

Typical Cisco Skinny (SCCP) Phone Bootup

>DHCP DISCOVER

// the phone broadcasts an IP address request

00c017a00079

// the MAC address of the phone

>DHCP OFFER

// the DHCP server offers an address

129.196.197.016

// the offered IP address

>DHCP REQUEST

// the phone requests the offered address

003094c4426f

 

>DHCP ACK

//the server acknowledges the request

129.196.197.016

 

>DNS req:003094c4426f

// the phone requests the Call Manager IP

CiscoCM1.danahertm.com

 

<DNS response

/ / the DNS server responds with the Call Manager’s address

129.196.197.244

 

>TFTP file request

// the phone uses TFTP to get operating files

OS79XX.TXT

 

>TFTP file request

 

SEP003094C4426F.cnf.xml

 

>ALARM TO CM

// the phone signals the Call Manager

25: Name=SEP003094C4426F

 

>REGISTER WITH CM

// and registers with the Call Manager

ip:129.196.197.016

 

name:SEP003094C4426F

 

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Fluke Network Tester user manual Typical Cisco Skinny Sccp Phone Bootup, Dhcp ACK