diff --git a/testing/deployer/sprawl/internal/tfgen/agent.go b/testing/deployer/sprawl/internal/tfgen/agent.go
index 9245925d53..58bd564e64 100644
--- a/testing/deployer/sprawl/internal/tfgen/agent.go
+++ b/testing/deployer/sprawl/internal/tfgen/agent.go
@@ -25,6 +25,12 @@ func (g *Generator) generateAgentHCL(node *topology.Node, enableV2, enableV2Tena
 
 	var b HCLBuilder
 
+	// We first write ExtraConfig since it could be overwritten by specific
+	// configurations below
+	if node.ExtraConfig != "" {
+		b.format(node.ExtraConfig)
+	}
+
 	b.add("server", node.IsServer())
 	b.add("bind_addr", "0.0.0.0")
 	b.add("client_addr", "0.0.0.0")
@@ -49,6 +55,7 @@ func (g *Generator) generateAgentHCL(node *topology.Node, enableV2, enableV2Tena
 	// speed up leaves
 	b.addBlock("performance", func() {
 		b.add("leave_drain_time", "50ms")
+		b.add("raft_multiplier", 1)
 	})
 
 	b.add("primary_datacenter", node.Datacenter)
@@ -61,6 +68,9 @@ func (g *Generator) generateAgentHCL(node *topology.Node, enableV2, enableV2Tena
 	// }
 
 	if node.Segment != nil {
+		if node.Kind != topology.NodeKindClient {
+			panic("segment only applies to client agent")
+		}
 		b.add("segment", node.Segment.Name)
 		b.addSlice("retry_join", []string{
 			fmt.Sprintf("server.%s-consulcluster.lan:%d", node.Cluster, node.Segment.Port),
diff --git a/testing/deployer/topology/topology.go b/testing/deployer/topology/topology.go
index 985fc837c4..07c2bc84dd 100644
--- a/testing/deployer/topology/topology.go
+++ b/testing/deployer/topology/topology.go
@@ -553,6 +553,9 @@ type Node struct {
 
 	// Network segment of the agent - applicable to client agent only
 	Segment *NetworkSegment
+
+	// ExtraConfig is the extra config added to the node
+	ExtraConfig string
 }
 
 func (n *Node) DockerName() string {