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Use this sample configuration to configure your SLB-SBC setup on GCP.

Note

Use the same configuration on all SBCs which communicate to a particular SLB.

Steps:

Note

When configuring the ipAddress on the SBC, you must use the IP address for the HFE interface that front-ends the PKT port used for SLB communication.


Configure SLB on GCP HFE2.1


set addressContext default ipInterfaceGroup LIG1 ipInterface LIF1 ceName vsbcSystem portName pkt0 ipVarV4 IF2.IPV4 ipPublicVarV4 HFE_IF2.FIPV4 prefixVarV4 IF2.PrefixV4
commit
set addressContext default ipInterfaceGroup LIG1 ipInterface LIF1 mode inService state enable
commit 
set addressContext default ipInterfaceGroup LIG2 ipInterface LIF2 ceName vsbcSystem portName pkt1 ipVarV4 IF3.IPV4 ipPublicVarV4 HFE_IF3.FIPV4 prefixVarV4 IF3.PrefixV4
commit
set addressContext default ipInterfaceGroup LIG2 ipInterface LIF2 mode inService state enable
commit
set addressContext default zone ZONE_IN id 2
commit
set addressContext default zone ZONE_IN id 2 sipSigPort 2 ipInterfaceGroupName LIG1 ipVarV4 IF2.IPV4 ipPublicVarV4 HFE_IF2.FIPV4  portNumber 5060 state enabled mode inService  transportProtocolsAllowed sip-tls-tcp,sip-tcp,sip-udp
commit
set addressContext default zone ZONE_OUT id 3
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set addressContext default zone ZONE_OUT id 3 sipSigPort 3 ipInterfaceGroupName LIG2 ipVarV4 IF3.IPV4 ipPublicVarV4 HFE_IF3.FIPV4  portNumber 5060 state enabled mode inService transportProtocolsAllowed sip-udp,sip-tcp,sip-tls-tcp
commit 
set system slb commInterface addressContext default ipInterfaceGroup LIG2 pktIpVar IF3.IPV4
commit
set addressContext default staticRoute 10.0.98.1 32 0.0.0.0 LIG1 LIF1 preference 100
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set addressContext default staticRoute 0.0.0.0 0 10.0.98.1 LIG1 LIF1 preference 100
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set addressContext default staticRoute 10.0.98.0 24 10.0.98.1 LIG1 LIF1 preference 100
commit
                                ##Egress##
set addressContext default staticRoute 10.0.99.1 32 0.0.0.0 LIG2 LIF2 preference 100
commit
set addressContext default staticRoute 0.0.0.0 0 10.0.99.1 LIG2 LIF2 preference 100
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set addressContext default staticRoute 10.0.99.0 24 10.0.99.1 LIG2 LIF2 preference 100
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set addressContext default staticRoute 10.54.27.128 32 10.0.99.1 LIG2 LIF2 preference 100
commit
command

Configure ACLs on SLB


set addressContext default ipAccessControlList rule 1 state enabled fillRate unlimited bucketSize unlimited protocol udp destIpAddress IF3.IPv4 precedence 1 destIpAddressPrefixLength 32
set addressContext default ipAccessControlList rule 2 state enabled fillRate unlimited bucketSize unlimited protocol tcp destIpAddress IF3.IPV4 precedence 2 destIpAddressPrefixLength 32
set addressContext default ipAccessControlList rule 3 state enabled fillRate unlimited bucketSize unlimited protocol tcp destIpAddress <slb commInterface IP> precedence 3 destIpAddressPrefixLength 32

Configure SBC SWe for SLB


set system slb usage enabled
com 
set addressContext default ipInterfaceGroup LIG1 ipInterface LIF1 portName pkt0 ipVarV4 IF2.IPV4 ipPublicVarV4 HFE_IF2.FIPV4 prefixVarV4 IF2.PrefixV4 state enabled mode inService
commit
set addressContext default ipInterfaceGroup LIG2 ipInterface LIF2 portName pkt1 ipVarV4 IF3.IPV4 ipPublicVarV4 HFE_IF3.FIPV4 prefixVarV4 IF3.PrefixV4 state enabled mode inService
commit
set addressContext default zone ZONE_IN id 2
commit
set addressContext default zone ZONE_IN sipSigPort 2
commit
set addressContext default zone ZONE_OUT id 3
commit
set addressContext default zone ZONE_OUT sipSigPort 3
commit 
set addressContext default zone ZONE_IN sipTrunkGroup SIP_INGRESS_TG mode inService state enabled media mediaIpInterfaceGroupName LIG1
commit 
set addressContext default zone ZONE_IN sipTrunkGroup SIP_INGRESS_TG ingressIpPrefix 15.236.100.145 32
commit 
set addressContext default zone ZONE_OUT sipTrunkGroup SIP_EGRESS_TG mode inService state enabled media mediaIpInterfaceGroupName LIG2
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set addressContext default zone ZONE_OUT ipPeer EGRESS_PEER ipAddress 10.10.4.11 ipPort 4020
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set global callRouting routingLabel CLOUD routingLabelRoute 0 ipPeer EGRESS_PEER trunkGroup SIP_EGRESS_TG inService inService
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set global callRouting route trunkGroup SIP_INGRESS_TG VSBCSYSTEM standard 888 1 all all ALL none Sonus_NULL routingLabel CLOUD
commit 
set addressContext default zone ZONE_IN sipTrunkGroup SIP_INGRESS_TG signaling timers sessionKeepalive 0
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set addressContext default zone ZONE_OUT sipTrunkGroup SIP_EGRESS_TG signaling timers sessionKeepalive 0
commit 
set system media mediaPeerInactivity inactivityTimeout 20
commit

  #SLB
     #Set slbAddress IP to HFE's IP associated with SLB's interface on which the SLB is listening for connection from the SBCs
     #Example: SLB listening on pkt1 interface - this IP should be HFE's IP associated with pkt1
set system slb usage enabled
commit
set system slb slbAddress SLBGCP ipAddress 10.54.27.16
commit
set addressContext default zone ZONE_IN id 2 sipSigPort 2 slbName SLBGCP
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set addressContext default zone ZONE_OUT id 3 sipSigPort 3  slbName SLBGCP
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set system slb commInterface addressContext default ipInterfaceGroup LIG2 pktIpVar IF3.IPV4
commit
set addressContext default staticRoute 10.0.98.1 32 0.0.0.0 LIG1 LIF1 preference 100
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set addressContext default staticRoute 0.0.0.0 0 10.0.98.1 LIG1 LIF1 preference 100
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set addressContext default staticRoute 10.0.98.0 24 10.0.98.1 LIG1 LIF1 preference 100
commit
                                ##Egress##
set addressContext default staticRoute 10.0.99.1 32 0.0.0.0 LIG2 LIF2 preference 100
commit
set addressContext default staticRoute 0.0.0.0 0 10.0.99.1 LIG2 LIF2 preference 100
commit
set addressContext default staticRoute 10.0.99.0 24 10.0.99.1 LIG2 LIF2 preference 100
commit
set addressContext default staticRoute 10.54.27.16 32 10.0.99.1 LIG2 LIF2 preference 100
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set addressContext default staticRoute 10.54.27.29 32 10.0.99.1 LIG2 LIF2 LIF2 preference 100
commit
set addressContext default staticRoute staticRoute 104.197.76.103 32 10.0.98.1 LIG1 LIF1 preference 100