27.9.


27.9.1.

  1. apiVersion: metallb.io/v1beta1
    kind: MetalLB
    metadata:
      name: metallb
      namespace: metallb-system
    spec:
      logLevel: debug
      nodeSelector:
        node-role.kubernetes.io/worker: ""
  2. $ oc replace -f setdebugloglevel.yaml
    참고

  3. $ oc get -n metallb-system pods -l component=speaker

    NAME                    READY   STATUS    RESTARTS   AGE
    speaker-2m9pm           4/4     Running   0          9m19s
    speaker-7m4qw           3/4     Running   0          19s
    speaker-szlmx           4/4     Running   0          9m19s

    참고

  4. $ oc logs -n metallb-system speaker-7m4qw -c speaker

    {"branch":"main","caller":"main.go:92","commit":"3d052535","goversion":"gc / go1.17.1 / amd64","level":"info","msg":"MetalLB speaker starting (commit 3d052535, branch main)","ts":"2022-05-17T09:55:05Z","version":""}
    {"caller":"announcer.go:110","event":"createARPResponder","interface":"ens4","level":"info","msg":"created ARP responder for interface","ts":"2022-05-17T09:55:05Z"}
    {"caller":"announcer.go:119","event":"createNDPResponder","interface":"ens4","level":"info","msg":"created NDP responder for interface","ts":"2022-05-17T09:55:05Z"}
    {"caller":"announcer.go:110","event":"createARPResponder","interface":"tun0","level":"info","msg":"created ARP responder for interface","ts":"2022-05-17T09:55:05Z"}
    {"caller":"announcer.go:119","event":"createNDPResponder","interface":"tun0","level":"info","msg":"created NDP responder for interface","ts":"2022-05-17T09:55:05Z"}
    I0517 09:55:06.515686      95 request.go:665] Waited for 1.026500832s due to client-side throttling, not priority and fairness, request: GET:https://172.30.0.1:443/apis/operators.coreos.com/v1alpha1?timeout=32s
    {"Starting Manager":"(MISSING)","caller":"k8s.go:389","level":"info","ts":"2022-05-17T09:55:08Z"}
    {"caller":"speakerlist.go:310","level":"info","msg":"node event - forcing sync","node addr":"10.0.128.4","node event":"NodeJoin","node name":"ci-ln-qb8t3mb-72292-7s7rh-worker-a-vvznj","ts":"2022-05-17T09:55:08Z"}
    {"caller":"service_controller.go:113","controller":"ServiceReconciler","enqueueing":"openshift-kube-controller-manager-operator/metrics","epslice":"{\"metadata\":{\"name\":\"metrics-xtsxr\",\"generateName\":\"metrics-\",\"namespace\":\"openshift-kube-controller-manager-operator\",\"uid\":\"ac6766d7-8504-492c-9d1e-4ae8897990ad\",\"resourceVersion\":\"9041\",\"generation\":4,\"creationTimestamp\":\"2022-05-17T07:16:53Z\",\"labels\":{\"app\":\"kube-controller-manager-operator\",\"endpointslice.kubernetes.io/managed-by\":\"endpointslice-controller.k8s.io\",\"kubernetes.io/service-name\":\"metrics\"},\"annotations\":{\"endpoints.kubernetes.io/last-change-trigger-time\":\"2022-05-17T07:21:34Z\"},\"ownerReferences\":[{\"apiVersion\":\"v1\",\"kind\":\"Service\",\"name\":\"metrics\",\"uid\":\"0518eed3-6152-42be-b566-0bd00a60faf8\",\"controller\":true,\"blockOwnerDeletion\":true}],\"managedFields\":[{\"manager\":\"kube-controller-manager\",\"operation\":\"Update\",\"apiVersion\":\"discovery.k8s.io/v1\",\"time\":\"2022-05-17T07:20:02Z\",\"fieldsType\":\"FieldsV1\",\"fieldsV1\":{\"f:addressType\":{},\"f:endpoints\":{},\"f:metadata\":{\"f:annotations\":{\".\":{},\"f:endpoints.kubernetes.io/last-change-trigger-time\":{}},\"f:generateName\":{},\"f:labels\":{\".\":{},\"f:app\":{},\"f:endpointslice.kubernetes.io/managed-by\":{},\"f:kubernetes.io/service-name\":{}},\"f:ownerReferences\":{\".\":{},\"k:{\\\"uid\\\":\\\"0518eed3-6152-42be-b566-0bd00a60faf8\\\"}\":{}}},\"f:ports\":{}}}]},\"addressType\":\"IPv4\",\"endpoints\":[{\"addresses\":[\"10.129.0.7\"],\"conditions\":{\"ready\":true,\"serving\":true,\"terminating\":false},\"targetRef\":{\"kind\":\"Pod\",\"namespace\":\"openshift-kube-controller-manager-operator\",\"name\":\"kube-controller-manager-operator-6b98b89ddd-8d4nf\",\"uid\":\"dd5139b8-e41c-4946-a31b-1a629314e844\",\"resourceVersion\":\"9038\"},\"nodeName\":\"ci-ln-qb8t3mb-72292-7s7rh-master-0\",\"zone\":\"us-central1-a\"}],\"ports\":[{\"name\":\"https\",\"protocol\":\"TCP\",\"port\":8443}]}","level":"debug","ts":"2022-05-17T09:55:08Z"}

  5. $ oc logs -n metallb-system speaker-7m4qw -c frr

    Started watchfrr
    2022/05/17 09:55:05 ZEBRA: client 16 says hello and bids fair to announce only bgp routes vrf=0
    2022/05/17 09:55:05 ZEBRA: client 31 says hello and bids fair to announce only vnc routes vrf=0
    2022/05/17 09:55:05 ZEBRA: client 38 says hello and bids fair to announce only static routes vrf=0
    2022/05/17 09:55:05 ZEBRA: client 43 says hello and bids fair to announce only bfd routes vrf=0
    2022/05/17 09:57:25.089 BGP: Creating Default VRF, AS 64500
    2022/05/17 09:57:25.090 BGP: dup addr detect enable max_moves 5 time 180 freeze disable freeze_time 0
    2022/05/17 09:57:25.090 BGP: bgp_get: Registering BGP instance (null) to zebra
    2022/05/17 09:57:25.090 BGP: Registering VRF 0
    2022/05/17 09:57:25.091 BGP: Rx Router Id update VRF 0 Id 10.131.0.1/32
    2022/05/17 09:57:25.091 BGP: RID change : vrf VRF default(0), RTR ID 10.131.0.1
    2022/05/17 09:57:25.091 BGP: Rx Intf add VRF 0 IF br0
    2022/05/17 09:57:25.091 BGP: Rx Intf add VRF 0 IF ens4
    2022/05/17 09:57:25.091 BGP: Rx Intf address add VRF 0 IF ens4 addr 10.0.128.4/32
    2022/05/17 09:57:25.091 BGP: Rx Intf address add VRF 0 IF ens4 addr fe80::c9d:84da:4d86:5618/64
    2022/05/17 09:57:25.091 BGP: Rx Intf add VRF 0 IF lo
    2022/05/17 09:57:25.091 BGP: Rx Intf add VRF 0 IF ovs-system
    2022/05/17 09:57:25.091 BGP: Rx Intf add VRF 0 IF tun0
    2022/05/17 09:57:25.091 BGP: Rx Intf address add VRF 0 IF tun0 addr 10.131.0.1/23
    2022/05/17 09:57:25.091 BGP: Rx Intf address add VRF 0 IF tun0 addr fe80::40f1:d1ff:feb6:5322/64
    2022/05/17 09:57:25.091 BGP: Rx Intf add VRF 0 IF veth2da49fed
    2022/05/17 09:57:25.091 BGP: Rx Intf address add VRF 0 IF veth2da49fed addr fe80::24bd:d1ff:fec1:d88/64
    2022/05/17 09:57:25.091 BGP: Rx Intf add VRF 0 IF veth2fa08c8c
    2022/05/17 09:57:25.091 BGP: Rx Intf address add VRF 0 IF veth2fa08c8c addr fe80::6870:ff:fe96:efc8/64
    2022/05/17 09:57:25.091 BGP: Rx Intf add VRF 0 IF veth41e356b7
    2022/05/17 09:57:25.091 BGP: Rx Intf address add VRF 0 IF veth41e356b7 addr fe80::48ff:37ff:fede:eb4b/64
    2022/05/17 09:57:25.092 BGP: Rx Intf add VRF 0 IF veth1295c6e2
    2022/05/17 09:57:25.092 BGP: Rx Intf address add VRF 0 IF veth1295c6e2 addr fe80::b827:a2ff:feed:637/64
    2022/05/17 09:57:25.092 BGP: Rx Intf add VRF 0 IF veth9733c6dc
    2022/05/17 09:57:25.092 BGP: Rx Intf address add VRF 0 IF veth9733c6dc addr fe80::3cf4:15ff:fe11:e541/64
    2022/05/17 09:57:25.092 BGP: Rx Intf add VRF 0 IF veth336680ea
    2022/05/17 09:57:25.092 BGP: Rx Intf address add VRF 0 IF veth336680ea addr fe80::94b1:8bff:fe7e:488c/64
    2022/05/17 09:57:25.092 BGP: Rx Intf add VRF 0 IF vetha0a907b7
    2022/05/17 09:57:25.092 BGP: Rx Intf address add VRF 0 IF vetha0a907b7 addr fe80::3855:a6ff:fe73:46c3/64
    2022/05/17 09:57:25.092 BGP: Rx Intf add VRF 0 IF vethf35a4398
    2022/05/17 09:57:25.092 BGP: Rx Intf address add VRF 0 IF vethf35a4398 addr fe80::40ef:2fff:fe57:4c4d/64
    2022/05/17 09:57:25.092 BGP: Rx Intf add VRF 0 IF vethf831b7f4
    2022/05/17 09:57:25.092 BGP: Rx Intf address add VRF 0 IF vethf831b7f4 addr fe80::f0d9:89ff:fe7c:1d32/64
    2022/05/17 09:57:25.092 BGP: Rx Intf add VRF 0 IF vxlan_sys_4789
    2022/05/17 09:57:25.092 BGP: Rx Intf address add VRF 0 IF vxlan_sys_4789 addr fe80::80c1:82ff:fe4b:f078/64
    2022/05/17 09:57:26.094 BGP: 10.0.0.1 [FSM] Timer (start timer expire).
    2022/05/17 09:57:26.094 BGP: 10.0.0.1 [FSM] BGP_Start (Idle->Connect), fd -1
    2022/05/17 09:57:26.094 BGP: Allocated bnc 10.0.0.1/32(0)(VRF default) peer 0x7f807f7631a0
    2022/05/17 09:57:26.094 BGP: sendmsg_zebra_rnh: sending cmd ZEBRA_NEXTHOP_REGISTER for 10.0.0.1/32 (vrf VRF default)
    2022/05/17 09:57:26.094 BGP: 10.0.0.1 [FSM] Waiting for NHT
    2022/05/17 09:57:26.094 BGP: bgp_fsm_change_status : vrf default(0), Status: Connect established_peers 0
    2022/05/17 09:57:26.094 BGP: 10.0.0.1 went from Idle to Connect
    2022/05/17 09:57:26.094 BGP: 10.0.0.1 [FSM] TCP_connection_open_failed (Connect->Active), fd -1
    2022/05/17 09:57:26.094 BGP: bgp_fsm_change_status : vrf default(0), Status: Active established_peers 0
    2022/05/17 09:57:26.094 BGP: 10.0.0.1 went from Connect to Active
    2022/05/17 09:57:26.094 ZEBRA: rnh_register msg from client bgp: hdr->length=8, type=nexthop vrf=0
    2022/05/17 09:57:26.094 ZEBRA: 0: Add RNH 10.0.0.1/32 type Nexthop
    2022/05/17 09:57:26.094 ZEBRA: 0:10.0.0.1/32: Evaluate RNH, type Nexthop (force)
    2022/05/17 09:57:26.094 ZEBRA: 0:10.0.0.1/32: NH has become unresolved
    2022/05/17 09:57:26.094 ZEBRA: 0: Client bgp registers for RNH 10.0.0.1/32 type Nexthop
    2022/05/17 09:57:26.094 BGP: VRF default(0): Rcvd NH update 10.0.0.1/32(0) - metric 0/0 #nhops 0/0 flags 0x6
    2022/05/17 09:57:26.094 BGP: NH update for 10.0.0.1/32(0)(VRF default) - flags 0x6 chgflags 0x0 - evaluate paths
    2022/05/17 09:57:26.094 BGP: evaluate_paths: Updating peer (10.0.0.1(VRF default)) status with NHT
    2022/05/17 09:57:30.081 ZEBRA: Event driven route-map update triggered
    2022/05/17 09:57:30.081 ZEBRA: Event handler for route-map: 10.0.0.1-out
    2022/05/17 09:57:30.081 ZEBRA: Event handler for route-map: 10.0.0.1-in
    2022/05/17 09:57:31.104 ZEBRA: netlink_parse_info: netlink-listen (NS 0) type RTM_NEWNEIGH(28), len=76, seq=0, pid=0
    2022/05/17 09:57:31.104 ZEBRA: 	Neighbor Entry received is not on a VLAN or a BRIDGE, ignoring
    2022/05/17 09:57:31.105 ZEBRA: netlink_parse_info: netlink-listen (NS 0) type RTM_NEWNEIGH(28), len=76, seq=0, pid=0
    2022/05/17 09:57:31.105 ZEBRA: 	Neighbor Entry received is not on a VLAN or a BRIDGE, ignoring

27.9.1.1.

표 27.10.
  

27.9.2.

  1. $ oc get -n metallb-system pods -l component=speaker

    NAME            READY   STATUS    RESTARTS   AGE
    speaker-66bth   4/4     Running   0          56m
    speaker-gvfnf   4/4     Running   0          56m
    ...

  2. $ oc exec -n metallb-system speaker-66bth -c frr -- vtysh -c "show running-config"

    Building configuration...
    
    Current configuration:
    !
    frr version 7.5.1_git
    frr defaults traditional
    hostname some-hostname
    log file /etc/frr/frr.log informational
    log timestamp precision 3
    service integrated-vtysh-config
    !
    router bgp 64500  1
     bgp router-id 10.0.1.2
     no bgp ebgp-requires-policy
     no bgp default ipv4-unicast
     no bgp network import-check
     neighbor 10.0.2.3 remote-as 64500  2
     neighbor 10.0.2.3 bfd profile doc-example-bfd-profile-full  3
     neighbor 10.0.2.3 timers 5 15
     neighbor 10.0.2.4 remote-as 64500
     neighbor 10.0.2.4 bfd profile doc-example-bfd-profile-full
     neighbor 10.0.2.4 timers 5 15
     !
     address-family ipv4 unicast
      network 203.0.113.200/30   4
      neighbor 10.0.2.3 activate
      neighbor 10.0.2.3 route-map 10.0.2.3-in in
      neighbor 10.0.2.4 activate
      neighbor 10.0.2.4 route-map 10.0.2.4-in in
     exit-address-family
     !
     address-family ipv6 unicast
      network fc00:f853:ccd:e799::/124
      neighbor 10.0.2.3 activate
      neighbor 10.0.2.3 route-map 10.0.2.3-in in
      neighbor 10.0.2.4 activate
      neighbor 10.0.2.4 route-map 10.0.2.4-in in
     exit-address-family
    !
    route-map 10.0.2.3-in deny 20
    !
    route-map 10.0.2.4-in deny 20
    !
    ip nht resolve-via-default
    !
    ipv6 nht resolve-via-default
    !
    line vty
    !
    bfd
     profile doc-example-bfd-profile-full
      transmit-interval 35
      receive-interval 35
      passive-mode
      echo-mode
      echo-interval 35
      minimum-ttl 10
     !
    !
    end

    1
    2
    3
    4
  3. $ oc exec -n metallb-system speaker-66bth -c frr -- vtysh -c "show bgp summary"

    IPv4 Unicast Summary:
    BGP router identifier 10.0.1.2, local AS number 64500 vrf-id 0
    BGP table version 1
    RIB entries 1, using 192 bytes of memory
    Peers 2, using 29 KiB of memory
    
    Neighbor        V         AS   MsgRcvd   MsgSent   TblVer  InQ OutQ  Up/Down State/PfxRcd   PfxSnt
    10.0.2.3        4      64500       387       389        0    0    0 00:32:02            0        1  1
    10.0.2.4        4      64500         0         0        0    0    0    never       Active        0  2
    
    Total number of neighbors 2
    
    IPv6 Unicast Summary:
    BGP router identifier 10.0.1.2, local AS number 64500 vrf-id 0
    BGP table version 1
    RIB entries 1, using 192 bytes of memory
    Peers 2, using 29 KiB of memory
    
    Neighbor        V         AS   MsgRcvd   MsgSent   TblVer  InQ OutQ  Up/Down State/PfxRcd   PfxSnt
    10.0.2.3        4      64500       387       389        0    0    0 00:32:02 NoNeg
    10.0.2.4        4      64500         0         0        0    0    0    never       Active        0
    
    Total number of neighbors 2

    1
    2
  4. $ oc exec -n metallb-system speaker-66bth -c frr -- vtysh -c "show bgp ipv4 unicast 203.0.113.200/30"

    BGP routing table entry for 203.0.113.200/30
    Paths: (1 available, best #1, table default)
      Advertised to non peer-group peers:
      10.0.2.3  1
      Local
        0.0.0.0 from 0.0.0.0 (10.0.1.2)
          Origin IGP, metric 0, weight 32768, valid, sourced, local, best (First path received)
          Last update: Mon Jan 10 19:49:07 2022

    1

27.9.3.

  1. $ oc get -n metallb-system pods -l component=speaker

    NAME            READY   STATUS    RESTARTS   AGE
    speaker-66bth   4/4     Running   0          26m
    speaker-gvfnf   4/4     Running   0          26m
    ...

  2. $ oc exec -n metallb-system speaker-66bth -c frr -- vtysh -c "show bfd peers brief"

    Session count: 2
    SessionId  LocalAddress              PeerAddress              Status
    =========  ============              ===========              ======
    3909139637 10.0.1.2                  10.0.2.3                 up  <.>

27.9.4.

표 27.11.
  

표 27.12.
  

27.9.5.

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