GitHub user danivogel90 closed a discussion: Define a L2 untagged guest
network, map to cloudbr1 to access company NFS services
**Problem**
I am trying to create a L2 guest network that is mapped directly to the
cloudbr1. The create network command failed with _Unable to convert network
offering with specified id to network profile_.
I can add a VLAN Range to the physical network, then I can do "create network",
but the instance will be mapped to a new bridge name/interface.
Can the configuration be created the way I imagine it?
**Versions**
- CloudStack 4.20.1.0
- Ubuntu 24.04.2
**Network**
```
bridge name bridge id STP enabled interfaces
cloud0 8000.76c30d2f0eda no vnet0
vnet1
cloudbr0 8000.aa2581097bfd no eno3
vnet2
vnet3
vnet4
vnet5
cloudbr1 8000.86803b4ff344 no eno2
cloudbr2 8000.6af97cf2fcad no eno1
```
**Configuration with CLI**
```
cmk updateZone id=$ZONE_ID allocationstate=Disabled
cmk create physicalnetwork zoneid=$ZONE_ID name="SVANet" isolationmethods=None
cmk add traffictype physicalnetworkid=$PHNET_ID traffictype=Guest
kvmnetworklabel=cloudbr1
cmk update physicalnetwork id=$PHNET_ID state=Enabled
cmk create networkoffering name="L2 No VLAN" guestiptype=L2
supportedservices="" traffictype=Guest specifyvlan=false
cmk update networkoffering id=$NETOFF_ID state=Enabled
cmk create network name="L2 Guest No VLAN" displaytext="L2 Guest SVA"
zoneid=$ZONE_ID networkofferingid=$NETOFF_ID physicalnetworkid=$PHNET_ID
```
**Error**
_Unable to convert network offering with specified id to network profile_
```
2025-07-08 06:27:32,618 WARN [o.a.c.f.e.EventDistributorImpl]
(qtp1404565079-357:[ctx-dc028384, ctx-23a3b627]) (logid:882aabe7) Failed to
publish event [category: ActionEvent, type: NETWORK.CREATE] on bus
webhookEventBus
2025-07-08 06:27:32,627 ERROR [c.c.a.ApiServer]
(qtp1404565079-357:[ctx-dc028384, ctx-23a3b627]) (logid:882aabe7) unhandled
exception executing api command: [Ljava.lang.String;@79eec1d4
com.cloud.utils.exception.CloudRuntimeException: Unab
le to convert network offering with specified id to network profile
at
org.apache.cloudstack.engine.orchestration.NetworkOrchestrator.setupNetwork(NetworkOrchestrator.java:832)
```
GitHub link: https://github.com/apache/cloudstack/discussions/11161
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