Cisco IOS Mobile Wireless Configuration Guide, Release 12.2 - Verifying the GPRS Configuration [Cisco IOS Software Releases 12.2 Mainline]

Table Of Contents

Verifying the GPRS Configuration

Verifying Global GPRS Configuration

Verifying Interface Configuration to the SGSN

Verifying Interface Configuration to the PDN

Verifying an Interface to the Private Network

Verifying Configuration to the Virtual Template

Verifying Access-Point Configuration

Verifying DHCP Configuration

Verifying the GPRS Configuration

This chapter describes how to verify the GGSN configuration. For a complete description of the GPRS commands in this chapter, refer to the Cisco IOS Mobile Wireless Command Reference. To locate documentation of other commands that appear in this chapter, use the command reference master index or search online.

This chapter includes the following sections:

•Verifying Global GPRS Configuration

•Verifying Interface Configuration to the SGSN

•Verifying Interface Configuration to the PDN

•Verifying an Interface to the Private Network

•Verifying Configuration to the Virtual Template

•Verifying Access-Point Configuration

•Verifying DHCP Configuration

Verifying Global GPRS Configuration

Enter the show running-configuration command to see if GPRS GGSN services are enabled with the service gprs ggsn command:
router# show running-configuration
Building configuration...
Current configuration:
!
version 12.1
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
service internal
service udp-small-servers
service tcp-small-servers
service gprs ggsn  
!
hostname GGSN_1
Verifying Interface Configuration to the SGSN
Enter the show running-configuration command to view the interface configuration to the SGSN:
router# show running-configuration
interface FastEthernet0/0
description Gn interface to SGSN
ip address 44.44.44.44 255.0.0.0
half-duplex
Verifying Interface Configuration to the PDN
Enter the show running-configuration command to view the interface configuration to the PDN:
router# show running-configuration
interface FastEthernet3/0
description Gi interface to PDN
ip address 4.0.0.44 255.0.0.0
half-duplex
Verifying an Interface to the Private Network
Enter the show running-configuration command to view the interface configuration to the private 
network:
router# show running-configuration
gprs access-point-list gprs
 access-point 1
  access-point-name gprs.company.com
  ip-address-pool dhcp-proxy-client
  dhcp-server 99.100.0.3
  use-interface Tunnel0 next-hop-address 97.0.0.2       
  exit
Verifying Configuration to the Virtual Template

Step 1 Use the show running-configuration command to view the virtual template configuration. Note that the encapsulation gtp command must be configured on the virtual template interface of the GGSN:
router# show running-configuration
interface virtual-template 1
ip address 10.10.10.1 255.0.0.0
encapsulation gtp
ip mroute-cache
gprs fastswitch
gprs access-point-list gprs
Step 2 Enter the show interface command to view the virtual template configuration:
router# show interface virtual-template 1
virtual-template 1 is up, line protocol is up 
Hardware is Virtual Template interface
Internet address is 10.10.10.1/8
MTU 1500 bytes, BW 100000 Kbit, DLY 100000 usec, 
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation GPRS-GTP, loopback not set
Keepalive set (10 sec)
DTR is pulsed for 5 seconds on reset
Last input never, output never, output hang never
Last clearing of "show interface" counters 02:17:14
Queueing strategy:fifo
Output queue 0/40, 0 drops; input queue 0/75, 0 drops
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
Verifying Access-Point Configuration

Step 1 Use the show running-configuration command to view the access-point configuration:
router# show running-configuration
gprs access-point-list gprs
 access-point 1
  access-point-name gprs.company.com
  ip-address-pool dhcp-proxy-client
  dhcp-server 99.100.0.3
  dhcp-gateway-address 80.0.0.1       
Step 2 Use the show gprs access-point all command to view all access points:
router# show gprs access-point all
There are 3 Access-Points configured
Index   Type    Mode            AccessPointName                  Interface
----------------------------------------------------------
1       ip      transparent     gprs.company.com
----------------------------------------------------------
2       ip      transparent     abc.com
----------------------------------------------------------
3       ip      non-transparent xyz.com 
----------------------------------------------------------
Verifying DHCP Configuration

Use the show running-configuration command to view the DHCP-related configuration. The following example shows the configuration of both global DHCP services, and DHCP services configured at the access point level:
router# show running-configuration
!
	ip address-pool dhcp-proxy-client
interface Ethernet2/1
description interface to DHCP server 
ip address 99.102.0.54 255.255.0.0
no ip mroute-cache
!
gprs access-point-list gprs
 access-point 1
  access-point-name gprs.company.com
  ip-address-pool dhcp-proxy-client
  dhcp-server 99.100.0.3
  dhcp-gateway-address 99.102.0.54    
  exit
!
	gprs default dhcp-server 99.100.0.3

	Cisco IOS Mobile Wireless Configuration Guide, Release 12.2
	Verifying the GPRS Configuration
Cisco IOS Mobile Wireless Configuration Guide, Release 12.2 About Cisco IOS Software Documentation Using Cisco IOS Software Mobile Wireless Overview General Packet Radio Service (GPRS) Overview of GPRS Planning to Configure the GGSN Configuring GGSN Services Configuring Charging on the GGSN Configuring Network Access to the GGSN Optimizing GPRS Performance Configuring Security on the GGSN Configuring DHCP on the GGSN Verifying the GPRS Configuration Monitoring and Maintaining GPRS GGSN Configuration Examples Index	Download this chapter Verifying the GPRS Configuration Download the complete book Book-level PDF: Cisco IOS Mobile Wireless Configuration Guide, Release 12.2 (PDF - 1 MB) Table Of Contents Verifying the GPRS Configuration Verifying Global GPRS Configuration Verifying Interface Configuration to the SGSN Verifying Interface Configuration to the PDN Verifying an Interface to the Private Network Verifying Configuration to the Virtual Template Verifying Access-Point Configuration Verifying DHCP Configuration Verifying the GPRS Configuration This chapter describes how to verify the GGSN configuration. For a complete description of the GPRS commands in this chapter, refer to the Cisco IOS Mobile Wireless Command Reference. To locate documentation of other commands that appear in this chapter, use the command reference master index or search online. This chapter includes the following sections: •Verifying Global GPRS Configuration •Verifying Interface Configuration to the SGSN •Verifying Interface Configuration to the PDN •Verifying an Interface to the Private Network •Verifying Configuration to the Virtual Template •Verifying Access-Point Configuration •Verifying DHCP Configuration Verifying Global GPRS Configuration Enter the show running-configuration command to see if GPRS GGSN services are enabled with the service gprs ggsn command: router# show running-configuration Building configuration... Current configuration: ! version 12.1 no service pad service timestamps debug uptime service timestamps log uptime no service password-encryption service internal service udp-small-servers service tcp-small-servers service gprs ggsn ! hostname GGSN_1 Verifying Interface Configuration to the SGSN Enter the show running-configuration command to view the interface configuration to the SGSN: router# show running-configuration interface FastEthernet0/0 description Gn interface to SGSN ip address 44.44.44.44 255.0.0.0 half-duplex Verifying Interface Configuration to the PDN Enter the show running-configuration command to view the interface configuration to the PDN: router# show running-configuration interface FastEthernet3/0 description Gi interface to PDN ip address 4.0.0.44 255.0.0.0 half-duplex Verifying an Interface to the Private Network Enter the show running-configuration command to view the interface configuration to the private network: router# show running-configuration gprs access-point-list gprs access-point 1 access-point-name gprs.company.com ip-address-pool dhcp-proxy-client dhcp-server 99.100.0.3 use-interface Tunnel0 next-hop-address 97.0.0.2 exit Verifying Configuration to the Virtual Template Step 1 Use the show running-configuration command to view the virtual template configuration. Note that the encapsulation gtp command must be configured on the virtual template interface of the GGSN: router# show running-configuration interface virtual-template 1 ip address 10.10.10.1 255.0.0.0 encapsulation gtp ip mroute-cache gprs fastswitch gprs access-point-list gprs Step 2 Enter the show interface command to view the virtual template configuration: router# show interface virtual-template 1 virtual-template 1 is up, line protocol is up Hardware is Virtual Template interface Internet address is 10.10.10.1/8 MTU 1500 bytes, BW 100000 Kbit, DLY 100000 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation GPRS-GTP, loopback not set Keepalive set (10 sec) DTR is pulsed for 5 seconds on reset Last input never, output never, output hang never Last clearing of "show interface" counters 02:17:14 Queueing strategy:fifo Output queue 0/40, 0 drops; input queue 0/75, 0 drops 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 0 packets input, 0 bytes, 0 no buffer Received 0 broadcasts, 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 0 packets output, 0 bytes, 0 underruns 0 output errors, 0 collisions, 0 interface resets 0 output buffer failures, 0 output buffers swapped out 0 carrier transitions Verifying Access-Point Configuration Step 1 Use the show running-configuration command to view the access-point configuration: router# show running-configuration gprs access-point-list gprs access-point 1 access-point-name gprs.company.com ip-address-pool dhcp-proxy-client dhcp-server 99.100.0.3 dhcp-gateway-address 80.0.0.1 Step 2 Use the show gprs access-point all command to view all access points: router# show gprs access-point all There are 3 Access-Points configured Index Type Mode AccessPointName Interface ---------------------------------------------------------- 1 ip transparent gprs.company.com ---------------------------------------------------------- 2 ip transparent abc.com ---------------------------------------------------------- 3 ip non-transparent xyz.com ---------------------------------------------------------- Verifying DHCP Configuration Use the show running-configuration command to view the DHCP-related configuration. The following example shows the configuration of both global DHCP services, and DHCP services configured at the access point level: router# show running-configuration ! ip address-pool dhcp-proxy-client interface Ethernet2/1 description interface to DHCP server ip address 99.102.0.54 255.255.0.0 no ip mroute-cache ! gprs access-point-list gprs access-point 1 access-point-name gprs.company.com ip-address-pool dhcp-proxy-client dhcp-server 99.100.0.3 dhcp-gateway-address 99.102.0.54 exit ! gprs default dhcp-server 99.100.0.3
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