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GGSN Configuration - Not responding pdp-Context request

Hi all,

Kindly help me.

My GGSN is not responding to PDP-Context request.

Here is my configuration.

aaa new-model

!

!

aaa acc

ounting suppress null-username

aaa accounting update periodic 5

aaa accounting network vmuk start-stop group radius

!

aaa pod server auth-type any server-key mysecret

aaa session-id common

clock timezone GMT 0

!

!

ip cef

ip name-server x.x.x.x

!

!

!

interface GigabitEthernet0/0

no ip address

!

interface GigabitEthernet0/0.172

description ### GRX User Space ###

encapsulation dot1Q 172

ip address x.x.x.x. x.x.x.x

!

interface GigabitEthernet0/0.569

description ### GRX Space  ###

encapsulation dot1Q xxx

ip address x.x.x.x x.x.x.x

!

interface Virtual-Template1

ip unnumbered GigabitEthernet0/0.xxx

encapsulation gtp

gprs access-point-list gprs

!

!

no ip http server

!

!

!

gprs access-point-list gprs

  access-point 1

   access-point-name mobile.barablu.com

   ip-address-pool dhcp-proxy-client 

   aggregate auto

   dhcp-server x.x.x.x y.y.y.y

   dhcp-gateway-address x.x.x.x

   network-request-activation

   dns primary x.x.x.x secondar y y.y.y.y

   !

  !

!

gprs mcc xxx mnc xxx

gprs gtp echo-timer dynamic enable

gprs gtp n3-requests 8

gprs gtp ip udp ignore checksum

gprs default ip-address-pool dhcp-proxy-client

gprs qos map canonical-qos

gprs qos default-response requested

!

radius-server host x.x.x.xauth-port 1645 acct-port 1646 non-standard key 7 xxxxxxxxxxxxxxxxxxxxx

radius-server key 7 xxxxxxxxxxxxxxxxxxxxxx

radius-server vsa send accounting

!

and here is debug log

Dec  3 20:03:04.489: GPRS:proc_udp_input: signalling packet from X.X.X.X(2123)

Dec  3 20:03:04.489: GPRS:gtp_mgmt_process: wakes up   

Dec  3 20:03:04.489: GPRS:major 2 minor 2;

Dec  3 20:03:04.489: GPRS:gtp_mgmt_process_qinput: GTPv1C_MSG

Dec  3 20:03:04.489: GPRS:sequence num 0xF571

Dec  3 20:03:04.489: GPRS:gtpv1_ggsnmsg_create_pdp_context_req: TEID 00 from X.X.X.X

Dec  3 20:03:04.489: GPRS:Found PDP Context

Dec  3 20:03:04.489: GTP IE:extract_teid: return teid 0xE8AA3414

Dec  3 20:03:04.489: GPRS:apn_lookup:apn TEST.COM

Dec  3 20:03:04.489: GPRS: found apn TEST.COM

Dec  3 20:03:04.489: GPRS:pdpmcb_create_by_teid:teid 0x0000001F, pdpmcb 2356587C

Dec  3 20:03:04.489: GPRS:pdp_create_by_tid:tid 3204011040029159, pdp 235558C0

Dec  3 20:03:04.489: GPRS:sequence num 0xF571

Dec  3 20:03:04.489: GTP IE:3204011040029159:IMSI[2]:3204011040029109

Dec  3 20:03:04.489: GTP IE:3204011040029159:Recover[14]:142

Dec  3 20:03:04.489: GTP IE:3204011040029159:Selection Mode[15]:0

Dec  3 20:03:04.489:        MS or network provided APN, subscribed verified

Dec  3 20:03:04.489: GTP IE:3204011040029159:TEID Data1[16]:0x235558F8

Dec  3 20:03:04.489: GTP IE:3204011040029159:TEID Control[17]:0x235558F0

Dec  3 20:03:04.489: GTP IE:3204011040029159:NSAPI[20]:5

Dec  3 20:03:04.489: GTP IE:3204011040029159:Charging Characteristics[26]:0x8

Dec  3 20:03:04.489: GPRS:apn_lookup:apn TEST.COM

Dec  3 20:03:04.489: GPRS: found apn TEST.COM

Dec  3 20:03:04.489: GTP IE:3204011040029159:APN[131]:TEST.COM

Dec  3 20:03:04.489: GPRS:apn_lookup:apn TEST.COM

Dec  3 20:03:04.489: GPRS: found apn TEST.COM

Dec  3 20:03:04.489: GTP IE:3204011040029159:PCO[132](PAP):

Dec  3 20:03:04.489: GTP IE:3204011040029159:PCO[132](IPCP primary DNS addr):0.0.0.0

Dec  3 20:03:04.489: GTP IE:3204011040029159:PCO[132](IPCP secondary DNS addr):0.0.0.0

Dec  3 20:03:04.489: GTP IE:3204011040029159:GSN Addr[133](sig):X.X.X.X

Dec  3 20:03:04.489: GTP IE:3204011040029159:GSN Addr[133](data):149.254.198.75

Dec  3 20:03:04.489: GTP IE:3204011040029159:MSISDN[134]:447574370984

Dec  3 20:03:04.489: GTP IE:3204011040029159:QoS[135]:value incorrect

Dec  3 20:03:04.489: GTP IE:3204011040029159:QoS[135]:len 13 incorrect

Dec  3 20:03:04.489: GTP IE:3204011040029159:Mandatory IE invalid 135 flag:0x10000002

Dec   3 20:03:04.489: %GTP-2-PDPACTIVATIONFAIL: GTP PDP activation/update  failed, GSN: 0.0.0.0, TID: 00, Reason: Mandatory info element invalid

Dec  3 20:03:04.489: GPRS:sequence num 0xF571

Dec  3 20:03:04.489: GPRS:3204011040029159:gtp_msg_send_res: pdp_entry 0x235558C0, replymsg 0x11, cause 0xC9

Dec  3 20:03:04.489: %GTP-0-GTPv1PACKETPARSINGERROR: GSN: Y.Y.Y.Y, TEID: E8AA3414, APN: NULL, Reason: Mandatory ie incorrect

Dec  3 20:03:04.489: GPRS:GTP enqueues pak of size 16 (refcount 1)

Dec  3 20:03:04.489: GPRS:gprs_output:idb 0x2244743C, pkt 0x22E51E0C, path 0x0, pdp 0x0

Dec  3 20:03:04.489: GPRS:ip=C005618, ip->prot=17

Dec  3 20:03:04.489: GPRS:path_lookup: path to (dst:port) (X.X.X.X:2123)

Dec  3 20:03:04.489: GPRS::src Y.Y.Y.Y,dst X.X.X.X,srcport 2123,dstport 2123

Dec  3 20:03:04.489: GPRS:: Calling ip_udp_send()

Dec  3 20:03:04.489: GPRS:3204011040029159:pdp_cleanup: refcnt 0, pdp 235558C0, apn 239FC8D0, path 0, data_path 0

Dec  3 20:03:04.489: GPRS:3204011040029159:stop_msgtimer: PDP context 235558C0 timer 23555960

Dec  3 20:03:04.489: GPRS:3204011040029159:msgtimer is already off, pdp 235558C0

Dec  3 20:03:04.489: GPRS:3204011040029159:stop_purgetimer:pdp 235558C0

Dec  3 20:03:04.489: GPRS:radix_free: freeup PDP 235558C0

Dec  3 20:03:04.489: GPRS:pdpmcb_cleanup: refcnt 0, pdpmcb 2356587C, apn 239FC8D0

Dec  3 20:03:04.489: GPRS:gtp_apn_pdpmcb_unlink_one: list_remove() error

Dec  3 20:03:04.489: GPRS:gtp_mgmt_process_qinput: msg(17) processed

Dec  3 20:03:04.489: GPRS:gtp_mgmt_process: sleep

Dec  3 20:03:04.489: GPRS:proc_udp_input: signalling packet from X.X.X.X(2123)

Dec  3 20:03:04.489: GPRS:gtp_mgmt_process: wakes up   

Dec  3 20:03:04.489: GPRS:major 2 minor 2;

Dec  3 20:03:04.489: GPRS:gtp_mgmt_process_qinput: GTPv1C_MSG

Dec  3 20:03:04.489: GPRS:sequence num 0xF571

Dec  3 20:03:04.489: GPRS:gtpv1_ggsnmsg_create_pdp_context_req: TEID 00 from X.X.X.X

Dec  3 20:03:04.489: GPRS:Found PDP Context

Dec  3 20:03:04.489: GTP IE:extract_teid: return teid 0xE8AA3414

Dec  3 20:03:04.489: GPRS:apn_lookup:apn TEST.COM

Dec  3 20:03:04.489: GPRS: found apn TEST.COM

Dec  3 20:03:04.489: GPRS:pdpmcb_create_by_teid:teid 0x0000001F, pdpmcb 2356587C

Dec  3 20:03:04.489: GPRS:pdp_create_by_tid:tid 3204011040029159, pdp 235558C0

Dec  3 20:03:04.489: GPRS:sequence num 0xF571

Dec  3 20:03:04.489: GTP IE:3204011040029159:IMSI[2]:3204011040029109

Dec  3 20:03:04.489: GTP IE:3204011040029159:Recover[14]:142

Dec  3 20:03:04.489: GTP IE:3204011040029159:Selection Mode[15]:0

Dec  3 20:03:04.489:        MS or network provided APN, subscribed verified

Dec  3 20:03:04.489: GTP IE:3204011040029159:TEID Data1[16]:0x235558F8

Dec  3 20:03:04.489: GTP IE:3204011040029159:TEID Control[17]:0x235558F0

Dec  3 20:03:04.489: GTP IE:3204011040029159:NSAPI[20]:5

Dec  3 20:03:04.489: GTP IE:3204011040029159:Charging Characteristics[26]:0x8

Dec  3 20:03:04.489: GPRS:apn_lookup:apn TEST.COM

Dec  3 20:03:04.489: GPRS: found apn TEST.COM

Dec  3 20:03:04.489: GTP IE:3204011040029159:APN[131]:TEST.COM

Dec  3 20:03:04.489: GPRS:apn_lookup:apn TEST.COM

Dec  3 20:03:04.489: GPRS: found apn TEST.COM

Dec  3 20:03:04.489: GTP IE:3204011040029159:PCO[132](PAP):

Dec  3 20:03:04.489: GTP IE:3204011040029159:PCO[132](IPCP primary DNS addr):0.0.0.0

Dec  3 20:03:04.489: GTP IE:3204011040029159:PCO[132](IPCP secondary DNS addr):0.0.0.0

Dec  3 20:03:04.489: GTP IE:3204011040029159:GSN Addr[133](sig):X.X.X.X

Dec  3 20:03:04.489: GTP IE:3204011040029159:GSN Addr[133](data):149.254.198.75

Dec  3 20:03:04.489: GTP IE:3204011040029159:MSISDN[134]:447574370984

Dec  3 20:03:04.489: GTP IE:3204011040029159:QoS[135]:value incorrect

Dec  3 20:03:04.489: GTP IE:3204011040029159:QoS[135]:len 13 incorrect

Dec  3 20:03:04.489: GTP IE:3204011040029159:Mandatory IE invalid 135 flag:0x10000002

Dec   3 20:03:04.489: %GTP-2-PDPACTIVATIONFAIL: GTP PDP activation/update  failed, GSN: 0.0.0.0, TID: 00, Reason: Mandatory info element invalid

Dec  3 20:03:04.489: GPRS:sequence num 0xF571

Dec  3 20:03:04.489: GPRS:3204011040029159:gtp_msg_send_res: pdp_entry 0x235558C0, replymsg 0x11, cause 0xC9

Dec  3 20:03:04.489: %GTP-0-GTPv1PACKETPARSINGERROR: GSN: Y.Y.Y.Y, TEID: E8AA3414, APN: NULL, Reason: Mandatory ie incorrect

Dec  3 20:03:04.489: GPRS:GTP enqueues pak of size 16 (refcount 1)

Dec  3 20:03:04.489: GPRS:gprs_output:idb 0x2244743C, pkt 0x22E51E0C, path 0x0, pdp 0x0

Dec  3 20:03:04.489: GPRS:ip=C005618, ip->prot=17

Dec  3 20:03:04.489: GPRS:path_lookup: path to (dst:port) (X.X.X.X:2123)

Dec  3 20:03:04.489: GPRS::src Y.Y.Y.Y,dst X.X.X.X,srcport 2123,dstport 2123

Dec  3 20:03:04.489: GPRS:: Calling ip_udp_send()

Dec  3 20:03:04.489: GPRS:3204011040029159:pdp_cleanup: refcnt 0, pdp 235558C0, apn 239FC8D0, path 0, data_path 0

Dec  3 20:03:04.489: GPRS:3204011040029159:stop_msgtimer: PDP context 235558C0 timer 23555960

Dec  3 20:03:04.489: GPRS:3204011040029159:msgtimer is already off, pdp 235558C0

Dec  3 20:03:04.489: GPRS:3204011040029159:stop_purgetimer:pdp 235558C0

Dec  3 20:03:04.489: GPRS:radix_free: freeup PDP 235558C0

Dec  3 20:03:04.489: GPRS:pdpmcb_cleanup: refcnt 0, pdpmcb 2356587C, apn 239FC8D0

Dec  3 20:03:04.489: GPRS:gtp_apn_pdpmcb_unlink_one: list_remove() error

Dec  3 20:03:04.489: GPRS:gtp_mgmt_process_qinput: msg(17) processed

Dec  3 20:03:04.489: GPRS:gtp_mgmt_process: sleep

1 REPLY
New Member

GGSN Configuration - Not responding pdp-Context request

Hi All,

I have managed to found the issue. And have fixed it already. It was IOS compatibality issue.

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