Cisco Cisco Packet Data Gateway (PDG) Fehlerbehebungsanleitung
APN Configuration Mode Commands
▀ ip address alloc-method
▄ Cisco ASR 5000 Series Command Line Interface Reference
OL-22947-02
Figure 4.
IP Address Allocation Process
System rejects
session with cause
code 220 (DCH,
Unknown PDP
address or PDP type)
Is
allow-user-specified
option enabled?
Is a user-specified IP
address provided?
Yes
Use IP address
specified by user
Start
Address available
in locally configured
static pool ?
Yes
Yes
System rejects
session with cause
code 220 (DCH,
Unknown PDP
address or PDP type)
No
No
Is authentication
required?
IP address
provided by
authentication
server?
Does IP address
exist in a configured
static pool?
Use assigned
IP address
Yes
Yes
Yes
No
No
IP address
pool name
provided by
authentication
server?
Does pool name
match a configured
static pool?
Use IP address
from specified pool
No
Yes
Yes
Is local allocation
method enabled?
method enabled?
Is pool name
configured for
ip address pool name
command?
Does pool name
match a configured
private pool?
No
No
Yes
Yes
Yes
Use IP address
from specified public
pool
No
No
Assign IP address
from block received
from DHCP server
Is
dhcp-relay-agent
option enabled?
System negotiates
IP address of 0.0.0.0
with MS
System receives
DHCP packets
from MS and forwards
them to DHCP server
No
Yes
No
Yes
No
Is dhcp-proxy
allocation
method enabled?
Is Public Pool
Available?
Yes
System rejects
session with cause
code
ALL_DYNAMIC_PDP_
ADDR_OCCUPIED
No
No