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Defining Links, Link Sets, and Route Sets

Links identify point-to-point connections of an adjacent node. Link sets are sets of parallel links that can be used for load sharing. Routes identify the final node destination. (The order in which they are defined is important.) Figure 17 provides a simple example of links, link sets, and route sets. In the case of a SIGTRAN installation, the link set most likely consists of a single link because redundancy might not be needed.

You use MML commands to set up links, link sets, and routes to identify the path between Steel-Belted Radius Carrier, the adjacent link, and the final destination (HLR or MSC).

Setting up links, link sets, and route sets involves the MML commands listed in Table 39. For more information about the syntax and usage of the MML commands, see Signalware MML Commands.

Table 39: MML Commands for Defining Links, Link Sets, and Route Sets

Action

MML Command for SS7 Networks

MML Command for SIGTRAN Networks

Identify the local point code and network indicator (NI)

CRTE-OSPC

CRTE-OSPC

Create a link set and assign it a point code

CRTE-LSET

CREATE-M3UA-LSET

Create one or more links that belong to the link set

CRTE-SLK

CREATE-M3UA-SLK

Create a route set that identifies the final destination

CRTE-RSET

CRTE-M3UA-RKEY

Allow the route set to be used

ALW-RSET

ALW-RSET

Activate the links

ACTV-SLK

ACTV-SLK

Example MML Commands

The examples in this section illustrate the MML commands used to create links, link sets, and route sets.

Figure 17: Links, Link Sets, and Route Sets

Links, Link Sets, and Route Sets

Figure 18: MML Provisioning

MML Provisioning

SS7 Example: Creating Links, Link Sets, and Route Sets

CRTE-OSPC:PC=14275,NI=NAT0;
CRTE-LSET:LSET=LSET1,PC=253;
CRTE-SLK:SLK=LNK1,LSET=LSET1,SLC=0,SPEED=64K,PORT=0,CHANNEL=17
CRTE-RSET:RSET=RSET1,PC=253,RTES=LSET1,LOADSHR=YES;
CRTE-RSET:RSET=RSET2,PC=61,RTES=LSET1,LOADSHR=YES;
ALW-RSET:RSET=RSET1;
ALW-RSET:RSET=RSET2;
ACTV-SLK:SLK=LNK1;

SIGTRAN Example: Creating Links, Link Sets, and Route Sets

CREATE-OSPC:PC=4004,NI=INT0;
CREATE-M3UA-LSET:LSET=IPLSET,TYPE=IPSP-IPSP, RADDR=207.46.20.60,PC=5005;
CREATE-M3UA-SLK:SLK=IPSLK,LSET=IPLSET,LADDR=72.5.124.61,RADDR=207.46.20
.60,MODE=CONNECT,LPORT=2906;
ACTIVATE-M3UA-SLK:SLK=IPSLK;

CREATE-RSET:RSET=IPRSET,PC=5005,RTES=IPLSET;
ALLOW-RSET:RSET=IPRSET;

CREATE-M3UA-RKEY:RKEY=RK1,TYPE=STATIC-AS,TRAFFIC-MODE=LOADSHARE,LSET=IP
LSET,DPC=4004,SI=SCCP,SSN=1&251&252;
ACTIVATE-M3UA-RKEY:RKEY=RK1;

Modified: 2017-10-26