diff --git a/internal/generate/exceptions.go b/internal/generate/exceptions.go
index 4c67159..4444206 100644
--- a/internal/generate/exceptions.go
+++ b/internal/generate/exceptions.go
@@ -26,5 +26,8 @@ func nullable() []string {
 	// the usage of this type. Remove when this is fixed in the upstream API
 	return []string{
 		"InstanceDiskAttachment",
+		"LldpLinkConfig",
+		"TxEqConfig",
+		"TxEqConfig2",
 	}
 }
diff --git a/internal/generate/main.go b/internal/generate/main.go
index fc72cf1..0239baf 100644
--- a/internal/generate/main.go
+++ b/internal/generate/main.go
@@ -9,6 +9,7 @@ import (
 	"net/url"
 	"os"
 	"path/filepath"
+	"strings"
 
 	"github.com/getkin/kin-openapi/openapi3"
 )
@@ -58,7 +59,7 @@ func loadAPIFromFile(file string) (*openapi3.T, error) {
 	if err != nil {
 		return nil, fmt.Errorf("error retrieving Omicron version: %v", err)
 	}
-	ov := string(omicronVersion)
+	ov := strings.TrimSpace(string(omicronVersion))
 
 	// TODO: actually host the spec here.
 	// uri := "https://api.oxide.computer"
diff --git a/oxide/types.go b/oxide/types.go
index f25105c..501fc19 100644
--- a/oxide/types.go
+++ b/oxide/types.go
@@ -4401,7 +4401,7 @@ type LinkConfigCreate struct {
 	// Speed is the speed of the link.
 	Speed LinkSpeed `json:"speed,omitempty" yaml:"speed,omitempty"`
 	// TxEq is optional tx_eq settings.
-	TxEq TxEqConfig `json:"tx_eq,omitempty" yaml:"tx_eq,omitempty"`
+	TxEq *TxEqConfig `json:"tx_eq,omitempty" yaml:"tx_eq,omitempty"`
 }
 
 // LinkFec is firecode forward error correction.
@@ -6237,7 +6237,7 @@ type SwitchPortLinkConfig struct {
 	// LinkName is the name of this link.
 	LinkName Name `json:"link_name,omitempty" yaml:"link_name,omitempty"`
 	// LldpLinkConfig is the link-layer discovery protocol service configuration for this link.
-	LldpLinkConfig LldpLinkConfig `json:"lldp_link_config,omitempty" yaml:"lldp_link_config,omitempty"`
+	LldpLinkConfig *LldpLinkConfig `json:"lldp_link_config,omitempty" yaml:"lldp_link_config,omitempty"`
 	// Mtu is the maximum transmission unit for this link.
 	Mtu *int `json:"mtu,omitempty" yaml:"mtu,omitempty"`
 	// PortSettingsId is the port settings this link configuration belongs to.
@@ -6245,7 +6245,7 @@ type SwitchPortLinkConfig struct {
 	// Speed is the configured speed of the link.
 	Speed LinkSpeed `json:"speed,omitempty" yaml:"speed,omitempty"`
 	// TxEqConfig is the tx_eq configuration for this link.
-	TxEqConfig TxEqConfig2 `json:"tx_eq_config,omitempty" yaml:"tx_eq_config,omitempty"`
+	TxEqConfig *TxEqConfig2 `json:"tx_eq_config,omitempty" yaml:"tx_eq_config,omitempty"`
 }
 
 // SwitchPortResultsPage is a single page of results