Monitoring MGCP ALGs
This section contains the following topics:
Monitoring MGCP ALG Calls
Purpose
View information about MGCP ALG calls.
Action
Select Monitor>ALGs>MGCP>Calls in the J-Web user interface. To view detailed information, select the endpoint on the MGCP calls page.
Alternatively, enter the show security alg mgcp calls command.
Table 1 summarizes key output fields in the MGCP calls display.
Table 1: Summary of Key MGCP Calls Output Fields
Field | Values | Additional Information |
|---|---|---|
| MGCP Calls Information | ||
Endpoint@GW | Endpoint name. | – |
Zone |
| – |
Call ID | Call identifier for ALG MGCP. | – |
RM Group | Resource manager group ID. | – |
Call Duration | Duration for which connection is active. | – |
Connection Id | Connection identifier for MGCP ALG calls. | – |
| Calls Details: Endpoint | ||
Local SDP | IP address of the MGCP ALG local call owner, as per the Session Description Protocol (SDP). | – |
Remote SDP | Remote IP address of the MGCP ALG remote call owner, as per the Session Description Protocol (SDP). | – |
Monitoring MGCP ALG Counters
Purpose
View MGCP ALG counters information.
Action
Select Monitor>ALGs>MGCP>Counters in the J-Web user interface, or enter the show security alg mgcp counters command.
Table 2 summarizes key output fields in the MGCP counters display.
Table 2: Summary of Key MGCP Counters Output Fields
Field | Values | Additional Information |
|---|---|---|
| MGCP Counters Information | ||
Packets received | Number of MGCP ALG packets received. | – |
Packets dropped | Number of MGCP ALG packets dropped. | – |
Message received | Number of MGCP ALG messages received. | – |
Number of connections | Number of MGCP ALG connections. | – |
Number of active connections | Number of active MGCP ALG connections. | – |
Number of calls | Number of MGCP ALG calls. | – |
Number of active calls | Number of MGCP ALG active calls. | – |
Number of active transactions | Number of active transactions. | – |
Number of re-transmission | Number of MGCP ALG retransmissions. | – |
| Error Counters | ||
Unknown-method | MGCP ALG unknown method errors. | – |
Decoding error | MGCP ALG decoding errors. | – |
Transaction error | MGCP ALG transaction errors. | – |
Call error | MGCP ALG counter errors. | – |
Connection error | MGCP ALG connection errors. | – |
Connection flood drop | MGCP ALG connection flood drop errors. | – |
Message flood drop | MGCP ALG message flood drop errors. | – |
IP resolve error | MGCP ALG IP address resolution errors. | – |
NAT error | MGCP ALG Network Address Translation (NAT) errors. | – |
Resource manager error | MGCP ALG resource manager errors. | – |
Monitoring MGCP ALG Endpoints
Purpose
View information about MGCP ALG endpoints.
Action
Select Monitor>ALGs>MGCP>Endpoints in the J-Web user interface. To view detailed information, select the gateway on the MGCP endpoints page.
Alternatively, enter the show security alg mgcp endpoints command.
Table 3 summarizes key output fields in the MGCP endpoints display.
Table 3: Summary of Key MGCP Endpoints Output Fields
Field | Values | Additional Information |
|---|---|---|
| MGCP Endpoints | ||
Gateway | IP address of the gateway. | – |
Zone |
| – |
IP | IP address. | – |
| Endpoints: Gateway name | ||
Endpoint | Endpoint name. | – |
Transaction # | Transaction identifier. | – |
Call # | Call identifier. | – |
Notified Entity | The certificate authority (CA) currently controlling the gateway. | – |
