Cisco Cisco Packet Data Gateway (PDG) Nota De Lançamento
NAT Changes in Release 15.0
NAT Enhancements for September 30, 2013 ▀
Cisco ASR 5x00 Release Change Reference ▄
361
Previous Behavior: The Busyout feature was supported only for ordinary pools.
New Behavior: In this release, the Busyout feature is supported for NAT pools.
NAT Realm during IP allocation
Previous Behavior: NAT realm was displayed as part of the
show subscriber full
CLI command irrespective of
whether IP is assigned from that NAT realm or not.
New Behavior: NAT realm will be now displayed only when IP is assigned and removed again when IP is released.
Network Broadcast for NAT Realms
Network broadcast support has now been extended for NAT pools using the
include-nw-bcast
option of the
ip
pool
command in the Context Configuration mode. In earlier releases, only ordinary pools included network broadcast
using the same
include-nw-bcast
option.
SIP ALG Behavior
As part of this feature, SIP ALG is made compatible with user-to-user authentication and processing 4xx responses as
described in RFC 3261. A new command,
described in RFC 3261. A new command,
enable SIP ALG to maintain the same tag parameters (from and to tag) for Authorization or Proxy Authentication
requests.
requests.
Previous Behavior: SIP ALG forwarded a re-invite request with credentials (sent by the client after the server
responded with a 401 to the initial Invite request) with a new “From Tag” which is different from the “From Tag” added
by SIP ALG for the initial Invite request. This was implemented as per section 19.3 of RFC 3261. As some SIP servers
have strict policy implementations, calls are terminated due to this default behavior of SIP ALG.
responded with a 401 to the initial Invite request) with a new “From Tag” which is different from the “From Tag” added
by SIP ALG for the initial Invite request. This was implemented as per section 19.3 of RFC 3261. As some SIP servers
have strict policy implementations, calls are terminated due to this default behavior of SIP ALG.
New Behavior: In this release, the re-invite to 401 is sent with the same “From Tag” as the initial Invite request as
defined in sections 8.1.3.5 and 22.2 of RFC 3261.
defined in sections 8.1.3.5 and 22.2 of RFC 3261.
NAT Command Changes as of September 30, 2013
This section provides information on NAT command changes in release 15.0.
Important:
For more information regarding commands in this section, refer to the Command Line Interface
Reference for this release.
New NAT Commands
This section identifies new NAT commands available in release 15.0.
ip server-ip-address
This command configures an access ruledef to analyze user traffic based on server IP address.
configure
active-charging service acs_service_name
access-ruledef access_ruledef_name