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ENUM ARS Profile

Use this section to configure an ENUM ARS Profile for ENUM servers, and to specify behavior for managing device failover to a secondary or backup ENUM server in the form of blacklisting and whitelisting parameters.

Command Synax

Code Block

% set global servers enumArsProfile <enumArsProfile name>
	blackListing
		duration <0-99999>
		numberOfFailures <1-32>
	whiteListing
		highWaterMarkTimer <0-172800>
		numberOfResponses <1-32>
		pingInterval <0-99999>

Command Parameters

Info

title	Note

When the pingInterval and highWaterMarkTimer parameters are both set to 0, the ENUM server remains black listed until the parameters are reconfigured.

Caption

0	Table
1	enumArsProfile Parameters

Parameter Length/Range Default Description

enumArsProfile

1-23

N/A

<enumArsProfile name> – Configure this parameter with the name of the Address Reachability Service (ARS) profile that will be associated with the lwresdProfile.

blackListing

N/A

The blacklisting configuration.

duration (default = 180) – Set the duration, in seconds, within which the numberOfFailures configuration occurs. When this parameter is set to 0, the duration is insignificant and the endpoint is black listed after the configured numberOfFailures occurs. (range: 0-99999)

numberOfFailures (default = 3) – Configure this parameter with the number of failures to occur within a specific duration to blacklist an endpoint. (range: 1-32)

whiteListing

N/A

Configure this parameter with the name of the Address Reachability Service (ARS) profile that will be associated with the lwresdProfile.

highWaterMarkTimer (default = 86400) – Set the maximum duration, in seconds, during which the recovery mechanism occurs. After this duration, the recovery process stops. When this parameter is set to 0, the recovery process occurs indefinitely. (range: 0-172800)
numberOfResponses (default = 2) – Set the consecutive number of probe responses that must be received in order to recover a server from the black listed state. (range: 1-32)
pingInterval (default = 1) – Set the interval, in seconds, between a probe response and the next probe request. When set to 0, the SBC does not send a dummy NPTR query towards the ENUM server to check its status. The ENUM server is white listed once the highWaterMarkTimer expires and the highWaterMarkTimer parameter is not set to 0.

Command Examples

Code Block

set global servers enumArsProfile Test blackListing numberOfFailures 5 duration 60
set global servers enumArsProfile Test whiteListing numberOfResponses 1 pingInterval 5 highWaterMarkTimer 86000
commit
 
show global servers enumArsProfile
enumArsProfile Test {
    blackListing {
        numberOfFailures 5;
        duration         60;
    }
    whiteListing {
        numberOfResponses  1;
        pingInterval       5;
        highWaterMarkTimer 86000;
    }
}

ENUM Domain Name

Command Syntax

Code Block

language	none

% set global servers enumDomainName <domain_name>
	forwardersData <0-99999>
		forwarderDescription <description>
		forwarderIP <IPv4 or IPv6 address>
        eDNSBufferSize <0 | 512-4096>
        eDNSType <no | yes>
	loadDistribution <proportion | roundRobin | sequence> 
	queryRetryTimer <0-10000 ms>
	zoneType individual

Command Parameters

Info

title	Note

All forwarderIP entries for this enumDomainName must be configured with the same loadDistribution type and queryRetryTimer value because attributes apply to ENUM domain, not individual forwarderIP entries.

Info

title	Note

Refer to ENUM Support for additional feature details and descriptions.

Caption

0	Table
1	ENUM Domain Name Parameters
3	ENUM Domain Name Parameters

Parameter

Length/Range

Description

<domain_name>

1-63 characters

The name of the ENUM domain containing forwarderIP entries for load balancing.

forwardersData

0-99999

<priority #> – Priority or sequence number of each forwarderIP defined below. A lower value represents a higher priority. This value is unique for each forwarderIP.

forwarderDescription <description> – Textual description of each fowarderIP entry.
forwarderIP <IPv4 or IPv6 address> – ENUM server IPv4 or IPv6 address of this forwarderIP entry.

eDNSType

N/A

Set this flag to yes to send the eDNS OPT record. If this flag is set to no, the ERE sends the query without the OPT record.

no
yes (default)

eDNSBufferSize

0 | 512-4,096

If this parameter is configured as any value other than zero, the OPT record uses this value when the eDNSType flag is set to yes.

If this parameter is configured as 0, the OPT record uses the eDnsGlobalBufferSize value when the eDNSType flag is set to yes.

loadDistribution

N/A

Load distribution strategy. Refer to ENUM Support for details.

proportion
- percentageDistribution – The percentage of load distribution to calculate for each IP in enumDomainName (range: 0-99999).
roundRobin
sequence (default)

queryRetryTimer

0-10000

The time, in milliseconds, that SLWRESD process waits before trying the next IP in the forwardersData list (default = 4000).

zoneType

N/A

The zone type for this ENUM domain.

individual – At present, this is the only zone type available, and it indicates the
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supports load balancing across individual zones).

ENUM Domain Name Label

Command Syntax

Code Block

language	none

% set global servers enumDomainNameLabel DEFAULT_ZONE_LABEL enumDomainNameId <enumDomainName's name>

Command Parameters

Caption

0	Table
1	ENUM Domain Name Label Parameters
3	ENUM Domain Name Label Parameters

Parameter

Description

enumDomainNameLabel

<ENUM domain name label> – A collection of ENUM domains used by SLWRESD process for performing ENUM queries. The default enumDomainNameLabel value is "DEFAULT_ZONE_LABEL".

enumDomainNameId <enumDomainName's name> – The enumDomainName of each ENUM domain to attach to this enumDomainNameLabel.

ENUM Service

To support ENUM services for the

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in ERE mode, manually create an ACL rule towards ENUM server to allow the packets (ENUM responses) from ENUM server into the

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. See the CLI example below.

Info

title	Note

Set fillRate to a higher value (for example, fillRate = 2000) to support high ENUM call loads (more than 20 cps). Refer to IP Access Control List - Cloud - CLI for configuration details.

Code Block

language	none
title	Example ACL Rule

% set addressContext default ipAccessControlList rule ENUMSEV precedence 1 protocol any sourceIpAddress <ENUM_SERVER_ADDRESS> sourceAddressPrefixLength 32 action accept fillRate 50 bucketSize 50 state enabled

Command Syntax

Code Block

language	none

% set global servers enumService <name>
	criteria triggerCriteria <criteria>
	defaultTreatment <applyFinalTreatment | routeAsDialed>
	enumDefinitions privateDomainNameForEnumLookups <private_domain_name>
	flags 
		active <disable | enable>
		processCallingNumber <disable | enable>
		processNewANI <disable | enable>
        sendOrigDialedNumOverEgress  <disable | enable>
        skipFurtherNumberTranslationServices  <disable | enable>
	priority <0-255>
	requestTimeOut <0-2147483647>
	serviceType <cnam | lnp | sipAor>

Command Parameters

Caption

0	Table
1	Global ENUM Service Parameters
3	Global ENUM Service Parameters

Parameter	Length/Range	Description
`<service_name>`	1-23	ENUM service name.
`criteria`	1-23	`triggerCriteria <criteria>` – Trigger criteria to use for this ENUM service. The characters #%^&(){}<>,/\;`[]=!$"*?\|~ and SPACE are not allowed.
`defaultTreatment`	N/A	Default treatment to apply to this ENUM service. `applyFinalTreatment` `routeAsDialed` (default)
`enumDefinitions`	N/A	Use this parameter to specify how to treat ENUM definitions. `privateDomainNameForEnumLookups <private_domain_name>` – Specify the private domain name to use for ENUM look-ups.
`flags`	N/A	`active` - Specifies the status of the ENUM service object. `disable` (default) `enable` `processCallingNumber` –Enable this flag to analyze the calling number using the prefix profile. When this flag is disabled, the calling number is not analyzed and hence if it has +CC, the same is sent as-is to SBC in the calling number field in policy response. `disable` (default) `enable` `processNewANI` – When this flag is enabled for ENUM AoR service, and ENUM AoR response contains "`newani=<some_number>`" parameter in NAPTR record, the ERE overwrites the existing calling number of the call with the `newANI` number. When this flag is disabled, any `newANI` parameters received in a NAPTR response are ignored in PES. `disable` (default) `enable` `sendOrigDialedNumOverEgress` - When this flag is enabled, the SBC sends the original dialed number in the egress INVITE request after an ENUM dip. `disable` (default) `enable` `skipFurtherNumberTranslationServices –` When this flag is enabled, the SBC skips all further services and goes directly to routing. `disable` (default) `enable`
`priority`	0-255	Specifies the priority (order) of execution of ENUM services. Specifying a priority value is mandatory.
`requestTimeOut`	0-2147483647	Request timeout value, in milliseconds. (default = 2000)
`serviceType`	N/A	Use this parameter to specify the ENUM service type for this ENUM service. `cnam` `lnp` `sipAor`

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ENUM ARS Profile

Command Synax

Command Parameters

Command Examples

ENUM Domain Name

Command Syntax

Command Parameters

ENUM Domain Name Label

Command Syntax

Command Parameters

ENUM Service

Command Syntax

Command Parameters