gcloud alpha compute network-endpoint-groups update

Exactly one of these must be specified:

--add-endpoint =[ client-destination-port = CLIENT-DESTINATION-PORT ],[ fqdn = FQDN ],[ instance = INSTANCE ],[ ip = IP ],[ ipv6 = IPV6 ],[ port = PORT ]

The network endpoint to add to the network endpoint group. Keys used depend on the endpoint type of the NEG.

gce-vm-ip-port

*instance*  
-  
Name  
of  
instance  
 in 
  
same  
zone  
as  
the  
network  
endpoint
group.

The  
VM  
instance  
must  
belong  
to  
the  
network  
/  
subnetwork
associated  
with  
the  
network  
endpoint  
group.  
If  
the  
VM  
instance
is  
deleted,  
 then 
  
any  
network  
endpoint  
group  
that  
has  
a  
reference
to  
it  
is  
updated.

*ip*  
-  
Optional  
IP  
address  
of  
the  
network  
endpoint.  
The  
IP  
address
must  
belong  
to  
a  
VM  
 in 
  
compute  
engine  
 ( 
either  
the  
primary  
IP  
or
as  
part  
of  
an  
aliased  
IP  
range ) 
.  
If  
the  
IP  
address  
is  
not
specified,  
 then 
  
the  
primary  
IP  
address  
 for 
  
the  
VM  
instance  
 in 
the  
network  
that  
the  
network  
endpoint  
group  
belongs  
to  
is
used.

*ipv6*  
-  
Optional  
IPv6  
address  
of  
the  
network  
endpoint.  
The  
IPv6
address  
must  
belong  
to  
a  
VM  
 in 
  
compute  
engine  
 ( 
either  
the  
internal
or  
external  
IPv6  
address ) 
.

*port*  
-  
Required  
endpoint  
port  
unless  
NEG  
default  
port  
is  
set.

*client-destination-port*  
-  
Required  
endpoint  
client  
destination  
port  
only  
 for 
  
the  
port
mapping  
NEG.

internet-ip-port

*ip*  
-  
Required  
IPv4  
address  
of  
the  
endpoint  
to  
attach.  
Must  
be
publicly  
routable.

*port*  
-  
Optional  
port  
of  
the  
endpoint  
to  
attach.  
If  
unspecified,
the  
NEG  
default  
port  
is  
set.  
If  
no  
default  
port  
is  
set,  
the
well-known  
port  
 for 
  
the  
backend  
protocol  
is  
used  
instead ( 
 80 
  
 for 
  
HTTP,  
 443 
  
 for 
  
HTTPS ) 
.

internet-fqdn-port

*fqdn*  
-  
Required  
fully  
qualified  
domain  
name  
to  
use  
to  
look  
up  
an
external  
endpoint.  
Must  
be  
resolvable  
to  
a  
public  
IP  
address  
via
public  
DNS.

*port*  
-  
Optional  
port  
of  
the  
endpoint  
to  
attach.  
If  
unspecified,
the  
NEG  
default  
port  
is  
set.  
If  
no  
default  
port  
is  
set,  
the
well-known  
port  
 for 
  
the  
backend  
protocol  
is  
used  
instead ( 
 80 
  
 for 
  
HTTP,  
 443 
  
 for 
  
HTTPS  
or  
HTTP2 ) 
.

Example:  
 ` 
--add-endpoint = 
 "fqdn=backend.example.com,port=443" 
 ` 

non-gcp-private-ip-port

*ip*  
-  
Required  
IPv4  
address  
of  
the  
network  
endpoint  
to  
attach.
The  
IP  
address  
must  
belong  
to  
a  
VM  
not  
 in 
  
Compute  
Engine  
and  
must
be  
routable  
using  
a  
Cloud  
Router  
over  
VPN  
or  
an  
Interconnect
connection.

*port*  
-  
Required  
port  
of  
the  
network  
endpoint  
to  
attach  
unless
the  
NEG  
default  
port  
is  
set.

gce-vm-ip

*instance*  
-  
Required  
instance  
name  
 in 
  
same  
zone  
as  
the  
network
endpoint  
group.

The  
VM  
instance  
must  
belong  
to  
the  
network  
/  
subnetwork
associated  
with  
the  
network  
endpoint  
group.  
If  
the  
VM  
instance
is  
deleted,  
 then 
  
any  
network  
endpoint  
group  
that  
has  
a  
reference
to  
it  
is  
updated.

*ip*  
-  
Optional  
IP  
address  
of  
the  
network  
endpoint  
to  
attach.  
The
IP  
address  
must  
be  
the  
VM ' 
s  
network  
interface  
address.  
If  
not
specified,  
the  
primary  
NIC  
address  
is  
used.

--remove-endpoint =[ client-destination-port = CLIENT-DESTINATION-PORT ],[ fqdn = FQDN ],[ instance = INSTANCE ],[ ip = IP ],[ ipv6 = IPV6 ],[ port = PORT ]

The network endpoint to detach from the network endpoint group. Keys used depend on the endpoint type of the NEG.

gce-vm-ip-port

*instance*  
-  
Required  
name  
of  
instance  
whose  
endpoint ( 
s ) 
  
to
detach.  
If  
the  
IP  
address  
is  
unset,  
all  
endpoints  
 for 
  
the
instance  
 in 
  
the  
NEG  
are  
detached.

*ip*  
-  
Optional  
IPv4  
address  
of  
the  
network  
endpoint  
to  
detach.
If  
specified  
port  
must  
be  
provided  
as  
well.

*ipv6*  
-  
Optional  
IPv6  
address  
of  
the  
network  
endpoint  
to  
detach.
If  
specified  
port  
must  
be  
provided  
as  
well.

*port*  
-  
Optional  
port  
of  
the  
network  
endpoint  
to  
detach.

*client-destination-port*  
-  
Optional  
client  
destination  
port,  
only  
 for 
  
port  
mapping  
NEGs.

internet-ip-port

*ip*  
-  
Required  
IPv4  
address  
of  
the  
network  
endpoint  
to  
detach.

*port*  
-  
Optional  
port  
of  
the  
network  
endpoint  
to  
detach  
 if 
  
the
endpoint  
has  
a  
port  
specified.

internet-fqdn-port

*fqdn*  
-  
Required  
fully  
qualified  
domain  
name  
of  
the  
endpoint  
to
detach.

*port*  
-  
Optional  
port  
of  
the  
network  
endpoint  
to  
detach  
 if 
  
the
endpoint  
has  
a  
port  
specified.

non-gcp-private-ip-port

*ip*  
-  
Required  
IPv4  
address  
of  
the  
network  
endpoint  
to  
detach.

*port*  
-  
Required  
port  
of  
the  
network  
endpoint  
to  
detach  
unless
NEG  
default  
port  
is  
set.

gce-vm-ip

*instance*  
-  
Required  
name  
of  
instance  
with  
endpoints  
to
detach.  
If  
the  
IP  
address  
is  
unset,  
all  
endpoints  
 for 
  
the
instance  
 in 
  
the  
NEG  
are  
detached.

*ip*  
-  
Optional  
IP  
address  
of  
the  
network  
endpoint  
to  
attach.  
The
IP  
address  
must  
be  
the  
VM 's network interface' 
s  
primary  
IP
address.  
If  
not  
specified,  
the  
primary  
NIC  
address  
is  
used.