Sess_Uchkpt_Cmd_Nat_Sip_Alg_Contact_Ph_Info; Sess_Uchkpt_Cmd_Update_Dsk_Flow_Chkpt_Info; Sess_Uchkpt_Cmd_Update_Nat_Bypass_Flow_Info - Cisco ASR 5500 Administration Manual

NAT Category

SESS_UCHKPT_CMD_NAT_SIP_ALG_CONTACT_PH_INFO

This micro-checkpoint is sent when a received SIP packet is analyzed and pinholes are created in the NAT
firewall.
• Time based: No
• Frequency: N/A
• Event based: Yes
• Events: Triggered when a SIP packet creates pinholes in the NAT firewall.
• Accounting: No
• Delta/Cumulative: N/A
• CMD-ID: 97
• Related CLI command: None

SESS_UCHKPT_CMD_UPDATE_DSK_FLOW_CHKPT_INFO

This micro-checkpoint is sent when a new NAT flow is created or deleted for a subscriber (while data is being
passed via the subscriber).
This checkpoint is sent from a timer but it is not timer based. The timer is used to pace (10 micro-checkpoints)
whenever the timer fires (granularity = 2 sec). This only occurs if there are new flows that need to be
micro-checkpointed. Otherwise, no micro-micro-checkpoints are sent.
• Time based: No
• Frequency: See explanation above.
• Event based: Yes
• Events: Triggered when a new NAT flow is created or deleted.
• Accounting: No
• Delta/Cumulative: N/A
• CMD-ID: 96
• Related CLI command: None

SESS_UCHKPT_CMD_UPDATE_NAT_BYPASS_FLOW_INFO

This micro-checkpoint is sent when NAT is enabled for a subscriber but bypass-nat (no NATing) is configured
for this flow (based on a rule-match), and a new bypass flow is created.
This checkpoint is sent when the flow is both added and deleted.
• Time based: No
• Frequency: N/A
• Event based: Yes
ASR 5500 System Administration Guide, StarOS Release 19
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ICSR Checkpointing