Public bug reported:
Create a network, change the mtu to a larger value, then delete the
network. The network is not allowed to be deleted with 400 error.
This can be reproduced by the following commands:
$ openstack network create testnet
$ neutron subnet-create testnet --name testsubnet --gateway 10.10.0.1
10.10.0.0/24
$ TOKEN=$(openstack token issue | awk '/ id /{print $4}')
$ NET_ID=$(openstack network show testnet | awk '/ id /{print $4}')
$ curl -g -i -X PUT http://10.0.0.19:9696/v2.0/networks/$NET_ID -H
"Content-Type: application/json" -H "X-Auth-Token: $TOKEN" -d '{"network":
{"mtu": 9000}}'
$ openstack subnet delete testsubnet
$ openstack network delete testnet
Failed to delete network with name or ID 'testnet': HttpException: Bad Request
(HTTP 400) (Request-ID: req-96b39999-e7c2-42c7-9a7c-410fe181f11e), Invalid
input for operation: Requested MTU is too big, maximum is 1450.
The failure on deletion is strange. IMHO, we should either validate the
mtu on network create/update, or allow the deletion regardless of the
mtu value.
** Affects: neutron
Importance: Undecided
Assignee: Hongbin Lu (hongbin.lu)
Status: New
** Changed in: neutron
Assignee: (unassigned) => Hongbin Lu (hongbin.lu)
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https://bugs.launchpad.net/bugs/1746820
Title:
Cannot delete network if mtu is changed
Status in neutron:
New
Bug description:
Create a network, change the mtu to a larger value, then delete the
network. The network is not allowed to be deleted with 400 error.
This can be reproduced by the following commands:
$ openstack network create testnet
$ neutron subnet-create testnet --name testsubnet --gateway 10.10.0.1
10.10.0.0/24
$ TOKEN=$(openstack token issue | awk '/ id /{print $4}')
$ NET_ID=$(openstack network show testnet | awk '/ id /{print $4}')
$ curl -g -i -X PUT http://10.0.0.19:9696/v2.0/networks/$NET_ID -H
"Content-Type: application/json" -H "X-Auth-Token: $TOKEN" -d '{"network":
{"mtu": 9000}}'
$ openstack subnet delete testsubnet
$ openstack network delete testnet
Failed to delete network with name or ID 'testnet': HttpException: Bad
Request (HTTP 400) (Request-ID: req-96b39999-e7c2-42c7-9a7c-410fe181f11e),
Invalid input for operation: Requested MTU is too big, maximum is 1450.
The failure on deletion is strange. IMHO, we should either validate
the mtu on network create/update, or allow the deletion regardless of
the mtu value.
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