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openshift-docs/modules/microshift-ovs-snapshot.adoc
2023-10-30 10:13:25 -04:00

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// Module included in the following assemblies:
//
// * microshift_networking/microshift-networking.adoc
:_mod-docs-content-type: PROCEDURE
[id="microshift-OVS-snapshot_{context}"]
= Getting a snapshot of OVS interfaces from a running cluster
A snapshot represents the state and data of OVS interfaces at a specific point in time.
.Procedure
* To see a snapshot of OVS interfaces from a running {microshift-short} cluster, use the following command:
+
[source,terminal]
----
$ sudo ovs-vsctl show
----
+
.Example OVS interfaces in a running cluster
[source,terminal]
----
9d9f5ea2-9d9d-4e34-bbd2-dbac154fdc93
Bridge br-ex
Port br-ex
Interface br-ex
type: internal
Port patch-br-ex_localhost.localdomain-to-br-int <1>
Interface patch-br-ex_localhost.localdomain-to-br-int
type: patch
options: {peer=patch-br-int-to-br-ex_localhost.localdomain} <2>
Bridge br-int
fail_mode: secure
datapath_type: system
Port patch-br-int-to-br-ex_localhost.localdomain
Interface patch-br-int-to-br-ex_localhost.localdomain
type: patch
options: {peer=patch-br-ex_localhost.localdomain-to-br-int}
Port eebee1ce5568761
Interface eebee1ce5568761 <3>
Port b47b1995ada84f4
Interface b47b1995ada84f4 <4>
Port "3031f43d67c167f"
Interface "3031f43d67c167f" <5>
Port br-int
Interface br-int
type: internal
Port ovn-k8s-mp0 <6>
Interface ovn-k8s-mp0
type: internal
ovs_version: "2.17.3"
----
<1> The `patch-br-ex_localhost.localdomain-to-br-int` and `patch-br-int-to-br-ex_localhost.localdomain` are OVS patch ports that connect `br-ex` and `br-int`.
<2> The `patch-br-ex_localhost.localdomain-to-br-int` and `patch-br-int-to-br-ex_localhost.localdomain` are OVS patch ports that connect `br-ex` and `br-int`.
<3> The pod interface `eebee1ce5568761` is named with the first 15 bits of the pod sandbox ID and is plugged into the `br-int` bridge.
<4> The pod interface `b47b1995ada84f4` is named with the first 15 bits of the pod sandbox ID and is plugged into the `br-int` bridge.
<5> The pod interface `3031f43d67c167f` is named with the first 15 bits of the pod sandbox ID and is plugged into the `br-int` bridge.
<6> The OVS internal port for hairpin traffic,`ovn-k8s-mp0` is created by the `ovnkube-master` container.