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Copyright © 2010, Juniper Networks, Inc. All rights reserved. Trademark Notice. | |
To view SIP ALG counters information, select Monitor>ALGs>SIP>Count in the J-Web interface, or enter the following CLI command:
show security alg sip counters
Table 28 summarizes key output fields in the SIP counters display.
Table 28: Summary of Key SIP Counters Output Fields
|
Field |
Values |
Additional Information |
|---|---|---|
| SIP Counters Information | ||
|
INVITE |
Number of INVITE requests sent. |
An INVITE request is sent to invite another user to participate in a session. |
|
CANCEL |
Number of CANCEL requests sent. |
A user can send a CANCEL request to cancel a pending INVITE request. A CANCEL request has no effect if the SIP server processing the INVITE had sent a final response for the INVITE before it received the CANCEL. |
|
ACK |
Number of ACK requests sent. |
The user from whom the INVITE originated sends an ACK request to confirm reception of the final response to the INVITE request. |
|
BYE |
Number of BYE requests sent. |
A user sends a BYE request to abandon a session. A BYE request from either user automatically terminates the session. |
|
REGISTER |
Number of REGISTER requests sent. |
A user sends a REGISTER request to a SIP registrar server to inform it of the current location of the user. A SIP registrar server records all the information it receives in REGISTER requests and makes this information available to any SIP server attempting to locate a user. |
|
OPTIONS |
Number of OPTIONS requests sent. |
An OPTION message is used by the User Agent (UA) to obtain information about the capabilities of the SIP proxy. A server responds with information about what methods, session description protocols, and message encoding it supports. |
|
INFO |
Number of INFO requests sent. |
An INFO message is used to communicate mid-session signaling information along the signaling path for the call. |
|
MESSAGE |
Number of MESSAGE requests sent. |
SIP messages consist of requests from a client to a server and responses to the requests from a server to a client with the purpose of establishing a session (or a call). |
|
NOTIFY |
Number of NOTIFY requests sent. |
A NOTIFY message is sent to inform subscribers of changes in state to which the subscriber has a subscription. |
|
REFER |
Number of REFER requests sent. |
A REFER request is used to refer the recipient (identified by the Request-URI) to a third party by the contact information provided in the requst. |
|
SUBSCRIBE |
Number of SUBSCRIBE requests sent. |
A SUBSCRIBE request is used to request current state and state updates from a remote node. |
|
UPDATE |
Number of UPDATE requests sent. |
An UPDATE request is used to create a temporary opening in the firewall (pinhole) for new or updated Session Description Protocol (SDP) information. The following header fields are modified: Via, From, To, Call-ID, Contact, Route, and Record-Route. |
| SIP Error Counters | ||
|
Total Pkt-in |
SIP ALG total packets received. |
|
|
Total Pkt dropped on error |
Number of packets dropped by the SIP ALG. |
|
|
Transaction error |
SIP ALG transaction errors. |
|
|
Call error |
SIP ALG call errors. |
|
|
IP resolve error |
SIP ALG IP address resolution errors. |
|
|
NAT error |
SIP ALG NAT errors. |
|
|
Resource manager error |
SIP ALG resource manager errors. |
|
|
RR header exceeded max |
Number of times the SIP ALG RR (Record-Route) headers exceeded the maximum limit. |
|
|
Contact header exceeded max |
Number of times the SIP ALG contact header exceeded the maximum limit. |
|
|
Call dropped due to limit |
SIP ALG calls dropped because of call limits. |
|
|
SIP stack error |
SIP ALG stack errors. |
|
|
Copyright © 2010, Juniper Networks, Inc. All rights reserved. Trademark Notice. | |