YateDRA Routing

[
{
“vars”: {
“domain_3gpp”: “mnc001.mcc001.3gppnetwork.org”,
“domain_3gpp_regexp”: “.*\\.mnc001\\.mcc001\\.3gppnetwork\\.org”,
“epc”: “epc.${domain_3gpp}”,
“hss1”: “${epc}/hss1.${epc}”,
“hss2”: “${epc}/hss2.${epc}”,
// Our DRAs. Internal identities used to connect our nodes
“dra1”: “${epc}/dra1.${epc}”,
“dra2”: “${epc}/dra2.${epc}”,
// Fallback routing between our DRAs
“dra1fb”: “${epc}/dra1fb.${epc}”,
“dra2fb”: “${epc}/dra2fb.${epc}”,
// Interconnect. External identities used toward interconnect hub partner
“dea1”: “${epc}/dea1.${epc}”,
“dea2”: “${epc}/dea2.${epc}”,
// Interconnect hub. Identities of interconnect partner
“hub_realm”: “epc.mnc002.mcc001.3gppnetwork.org”,
“hub_dea1”: “${hub_realm}/dea1.${hub_realm}”,
“hub_dea2”: “${hub_realm}/dea2.${hub_realm}”
}
},
{
// Destination is our realm
“realm”: “^${domain_3gpp_regexp}$”,
“routes”: [
{
// Known destination host. Forward the request
“host”: “^(hss|ucn)”,
“forward”: true,
// Use second DRA as fallback if node’s connection is down
// This will be disabled by fallback node’s rules to avoid looping
“alternate_node”: [
{
“local_node”: “${dra1fb}”,
“peer”: “${dra2fb}”
}
]
},
{
// Unknown destination host
// 3002 code will be sent by the above rule also if destination node’s connection is down
// The error message will help us to debug the cause when seeing it
“host”: “^.*”,
“code”: 3002,
“error_message”: “Unknown host”
},
// Requests with no destination host. Send them to corresponding server
{
// 3GPP S6a/d and Cx/Dx – send to HSS
“cmdappid”: “^(16777251|16777216)”,
“peer_list”: {
“peers”: [
“${hss1}”,
“${hss2}”
]
},
“alternate_node”: [
{
“local_node”: “${dra1fb}”,
“peer”: “${dra2fb}”
}
]
}
]
},
{
// Requests for a foreign realm. Send them to interconnect hub
“realm”: “^.*”,
“routes”: [
{
“local_node”: “${dea1}”,
“peer_list”: {
“peers”: [
“${hub_dea1}”,
“${hub_dea2}”
]
},
“alternate_node”: [
{
“local_node”: “${dra1fb}”,
“peer”: “${dra2fb}”
}
]
}
]
}
]