Cisco Cisco Packet Data Interworking Function (PDIF)
APN Configuration Mode Commands
pco-options ▀
Command Line Interface Reference, StarOS Release 18 ▄
1427
pco-options
This command controls the sending of customized PCO (Protocol Configuration Options) options in the network to MS
GTP messages and configures APN to include link MTU in PCO IE.
GTP messages and configures APN to include link MTU in PCO IE.
Product
P-GW
GGSN
Privilege
Security Administrator, Administrator
Mode
Exec > Global Configuration > Context Configuration > APN Configuration
configure > context context_name > apn apn_name
Entering the above command sequence results in the following prompt:
[context_name]host_name(config-apn)#
Syntax
pco-options { custom1 [ ue-requested ] | link-mtu bytes }
{ default | no } pco-options [ custom1 | link-mtu ]
custom1
Enable sending of customized PCO options in the network to MS messages; send customized PCO options to
all UEs regardless of support.
all UEs regardless of support.
ue-requested
Enable sending of customized PCO options in the network to MS messages for “UE-Requested” mode; send
PCO to only UEs that request customized PCO options.
PCO to only UEs that request customized PCO options.
link-mtu bytes
Configures APN to include link MTU in PCO IE, if it is requested by UE.
When UE sends IPv4 Link MTU Size PCO request during Initial attach/ Standalone PDN connection, then
the S-GW/SGSN/HSGW sends the same transparently in Create Session Request, Create/Update PDP
Context Request, or PBU to P-GW, GGSN, or PMIP-PGW. Create Session Response, Create/ Update PDP
Context Response/ PBA will be sent with latest configured MTU size PCO value in APN. If UE is in
outbound roaming, then default value (1500) will be provided in the MTU size PCO.
When UE sends IPv4 Link MTU Size PCO request during Initial attach/ Standalone PDN connection, then
the S-GW/SGSN/HSGW sends the same transparently in Create Session Request, Create/Update PDP
Context Request, or PBU to P-GW, GGSN, or PMIP-PGW. Create Session Response, Create/ Update PDP
Context Response/ PBA will be sent with latest configured MTU size PCO value in APN. If UE is in
outbound roaming, then default value (1500) will be provided in the MTU size PCO.
bytes
must be an integer from 1280 to 2000.
Default: 1500
default
Disable sending of customized PCO options in the network to MS messagesand/ or sets the link MTU PCO to
1500 bytes.
1500 bytes.
no
Do not send customized PCO options to any UEs and/ or sets the link MTU PCO to 1500 bytes.