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ovn internal-port 与 veth-pair

ovn internal-port 与 veth-pair

作者: cloudFans | 来源:发表于2022-11-18 10:01 被阅读0次

    internal port 是tap 设备,openstack neutron ovn 默认即使用internal port

    
    (nova-libvirt)[root@compute010 /]# ovs-vsctl show
    c3e41e42-df62-4ce2-bcdd-a5ab1eb9c503
        Bridge br-ex
            Port br-ex
                Interface br-ex
                    type: internal
            Port ens4f1
                Interface ens4f1
            Port patch-provnet-b82c0de5-ae24-4f39-8fa9-6726593c6da9-to-br-int
                Interface patch-provnet-b82c0de5-ae24-4f39-8fa9-6726593c6da9-to-br-int
                    type: patch
                    options: {peer=patch-br-int-to-provnet-b82c0de5-ae24-4f39-8fa9-6726593c6da9}
        Bridge br-int
            fail_mode: secure
            datapath_type: system
            Port ovn-contro-0
                Interface ovn-contro-0
                    type: geneve
                    options: {csum="true", key=flow, remote_ip="10.120.14.22"}
            Port ovn-comput-d
                Interface ovn-comput-d
                    type: geneve
                    options: {csum="true", key=flow, remote_ip="10.120.14.56"}
            Port ovn-comput-c
                Interface ovn-comput-c
                    type: geneve
                    options: {csum="true", key=flow, remote_ip="10.120.14.55"}
            Port patch-br-int-to-provnet-b82c0de5-ae24-4f39-8fa9-6726593c6da9
                Interface patch-br-int-to-provnet-b82c0de5-ae24-4f39-8fa9-6726593c6da9
                    type: patch
                    options: {peer=patch-provnet-b82c0de5-ae24-4f39-8fa9-6726593c6da9-to-br-int}
            Port tapb94f0f1f-10
                Interface tapb94f0f1f-10
            Port tap4e5e8169-b0
                Interface tap4e5e8169-b0
                    error: "could not open network device tap4e5e8169-b0 (No such device)"
            Port tap43dcf5d5-ed
                Interface tap43dcf5d5-ed
            Port tap9c6f25b6-70
                Interface tap9c6f25b6-70
                    error: "could not open network device tap9c6f25b6-70 (No such device)"
            Port tape48c5469-19
                Interface tape48c5469-19
            Port tapb052976f-20
                Interface tapb052976f-20
            Port tapcc38ad6e-a3
                Interface tapcc38ad6e-a3
            Port tap223ac96c-00
                Interface tap223ac96c-00
                    error: "could not open network device tap223ac96c-00 (No such device)"
            Port tap88c6e358-93
                Interface tap88c6e358-93
                    error: "could not open network device tap88c6e358-93 (No such device)"
            Port ovn-comput-2
                Interface ovn-comput-2
                    type: geneve
                    options: {csum="true", key=flow, remote_ip="10.120.14.35"}
            Port ovn-comput-9
                Interface ovn-comput-9
                    type: geneve
                    options: {csum="true", key=flow, remote_ip="10.120.14.32"}
            Port ovn-comput-4
                Interface ovn-comput-4
                    type: geneve
                    options: {csum="true", key=flow, remote_ip="10.120.14.36"}
            Port tap92a22d26-17
                Interface tap92a22d26-17
            Port tapa8739868-11
                Interface tapa8739868-11
                    error: "could not open network device tapa8739868-11 (No such device)"
            Port tap0e0f5c57-cf
                Interface tap0e0f5c57-cf
                    error: "could not open network device tap0e0f5c57-cf (No such device)"
            Port ovn-comput-10
                Interface ovn-comput-10
                    type: geneve
                    options: {csum="true", key=flow, remote_ip="10.120.14.59"}
            Port tapc03bed49-c0
                Interface tapc03bed49-c0
                    error: "could not open network device tapc03bed49-c0 (No such device)" 
            Port tapd9095ffd-5f # 可以看到虚拟机直接使用的tap设备,即internal port
                Interface tapd9095ffd-5f
                    error: "could not open network device tapd9095ffd-5f (No such device)"
            Port ovn-comput-b
                Interface ovn-comput-b
                    type: geneve
                    options: {csum="true", key=flow, remote_ip="10.120.14.54"}
            Port tap503eaca4-c9
                Interface tap503eaca4-c9
                    error: "could not open network device tap503eaca4-c9 (No such device)"
            Port tap71c4e450-3e
                Interface tap71c4e450-3e
                    error: "could not open network device tap71c4e450-3e (No such device)"
            Port tapa3143019-37
                Interface tapa3143019-37
                    error: "could not open network device tapa3143019-37 (No such device)"
            Port ovn-comput-e
                Interface ovn-comput-e
                    type: geneve  # 计算节点之前的用于tunnel peer的接口都是使用geneve
                    options: {csum="true", key=flow, remote_ip="10.120.14.57"}
            Port br-int
                Interface br-int
                    type: internal
            Port ovn-comput-6
                Interface ovn-comput-6
                    type: geneve
                    options: {csum="true", key=flow, remote_ip="10.120.14.31"}
            Port ovn-comput-f
                Interface ovn-comput-f
                    type: geneve
                    options: {csum="true", key=flow, remote_ip="10.120.14.58"}
            Port ovn-comput-0
                Interface ovn-comput-0
                    type: geneve
                    options: {csum="true", key=flow, remote_ip="10.120.14.42"}
            Port ovn-comput-11
                Interface ovn-comput-11
                    type: geneve
                    options: {csum="true", key=flow, remote_ip="10.120.14.60"}
            Port tap6d2748c1-f0
                Interface tap6d2748c1-f0
                    error: "could not open network device tap6d2748c1-f0 (No such device)"
            Port ovn-comput-3
                Interface ovn-comput-3
                    type: geneve
                    options: {csum="true", key=flow, remote_ip="10.120.14.38"}
            Port ovn-comput-8
                Interface ovn-comput-8
                    type: geneve
                    options: {csum="true", key=flow, remote_ip="10.120.14.51"}
            Port tap716f4cd2-2e
                Interface tap716f4cd2-2e
            Port tap4b7837b2-6a
                Interface tap4b7837b2-6a
                    error: "could not open network device tap4b7837b2-6a (No such device)"
            Port ovn-comput-1
                Interface ovn-comput-1
                    type: geneve
                    options: {csum="true", key=flow, remote_ip="10.120.14.39"}
            Port tap2cb3f621-05
                Interface tap2cb3f621-05
            Port ovn-comput-a
                Interface ovn-comput-a
                    type: geneve
                    options: {csum="true", key=flow, remote_ip="10.120.14.53"}
            Port ovn-comput-5
                Interface ovn-comput-5
                    type: geneve
                    options: {csum="true", key=flow, remote_ip="10.120.14.34"}
            Port tapf4fa1951-01
                Interface tapf4fa1951-01
                    error: "could not open network device tapf4fa1951-01 (No such device)"
            Port tap23d06423-03
                Interface tap23d06423-03
                    error: "could not open network device tap23d06423-03 (No such device)"
            Port tap666047b1-70
                Interface tap666047b1-70
                    error: "could not open network device tap666047b1-70 (No such device)"
            Port ovn-comput-12
                Interface ovn-comput-12
                    type: geneve
                    options: {csum="true", key=flow, remote_ip="10.120.14.61"}
            Port tapb29b8931-ac
                Interface tapb29b8931-ac
                    error: "could not open network device tapb29b8931-ac (No such device)"
            Port tap00a832cb-f3
                Interface tap00a832cb-f3
                    error: "could not open network device tap00a832cb-f3 (No such device)"
            Port ovn-comput-13
                Interface ovn-comput-13
                    type: geneve
                    options: {csum="true", key=flow, remote_ip="10.120.14.63"}
            Port tap76269d6f-12
                Interface tap76269d6f-12
                    error: "could not open network device tap76269d6f-12 (No such device)"
            Port tap2efe2e00-f0
                Interface tap2efe2e00-f0
                    error: "could not open network device tap2efe2e00-f0 (No such device)"
            Port tap691b84b5-62
                Interface tap691b84b5-62
            Port tapfddf5d5f-b5
                Interface tapfddf5d5f-b5
                    error: "could not open network device tapfddf5d5f-b5 (No such device)"
            Port tap11c36e1f-bf
                Interface tap11c36e1f-bf
                    error: "could not open network device tap11c36e1f-bf (No such device)"
            Port ovn-comput-7
                Interface ovn-comput-7
                    type: geneve
                    options: {csum="true", key=flow, remote_ip="10.120.14.52"}
    (nova-libvirt)[root@compute010 /]#
    

    关于深入了解 ovn internal-port : https://arthurchiao.art/blog/ovs-deep-dive-6-internal-port/

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          本文标题:ovn internal-port 与 veth-pair

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