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  1. OpenShift Bugs
  2. OCPBUGS-9974

Metallb RHEL9: route not advertised after bgp advertisement update

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      Description of problem:

      Route not advertised after bgp advertisement update

      Version-Release number of selected component (if applicable):

      Server Version: 4.13.0-0.ci.test-2023-03-02-214629-ci-ln-xw171tb-latest
      frr image: quay.io/fpaoline/frr:rhel11

      How reproducible:

      100%

      Steps to Reproduce:

      1.Configure MetalLB BGP
      2. Check the route on the client - the route has arrived
      3. Update bgpadvertisement (change community, length prefix and local prefix)
      4. No route on the client 

      Actual results:

       

      Expected results:

       

      Additional info:

      helix10# sh ip bgp
      BGP table version is 3, local router ID is 10.128.2.2, vrf id 0
      Default local pref 100, local AS 64500
      Status codes:  s suppressed, d damped, h history, * valid, > best, = multipath,
                     i internal, r RIB-failure, S Stale, R Removed
      Nexthop codes: @NNN nexthop's vrf id, < announce-nh-self
      Origin codes:  i - IGP, e - EGP, ? - incomplete
      RPKI validation codes: V valid, I invalid, N Not found
      
         Network          Next Hop            Metric LocPrf Weight Path
      *> 192.168.100.0/28 0.0.0.0                  0         32768 i
      
      Displayed  1 routes and 1 total pathshelix10# sh ip bgp summary 
      
      IPv4 Unicast Summary (VRF default):
      BGP router identifier 10.128.2.2, local AS number 64500 vrf-id 0
      BGP table version 3
      RIB entries 1, using 136 bytes of memory
      Peers 1, using 719 KiB of memory
      
      Neighbor        V         AS   MsgRcvd   MsgSent   TblVer  InQ OutQ  Up/Down State/PfxRcd   PfxSnt Desc
      10.46.55.131    4      64500        35        40        0    0    0 00:16:08            0        0 N/A
      
      Total number of neighbors 1<pre>helix10# sh ip bgp neighbors 10.46.55.131
      BGP neighbor is 10.46.55.131, remote AS 64500, local AS 64500, internal link
      Hostname: testpod-sd74r
        BGP version 4, remote router ID 10.10.10.10, local router ID 10.128.2.2
        BGP state = Established, up for 00:20:28
        Last read 00:00:28, Last write 00:00:28
        Hold time is 90, keepalive interval is 30 seconds
        Configured hold time is 90, keepalive interval is 30 seconds
        Configured conditional advertisements interval is 60 seconds
        Neighbor capabilities:
          4 Byte AS: advertised and received
          Extended Message: advertised
          AddPath:
            IPv4 Unicast: RX advertised and received
            IPv6 Unicast: RX advertised
          Long-lived Graceful Restart: advertised
          Route refresh: advertised and received(old &amp; new)
          Enhanced Route Refresh: advertised
          Address Family IPv4 Unicast: advertised and received
          Address Family IPv6 Unicast: advertised
          Hostname Capability: advertised (name: helix10,domain name: n/a) received (name: testpod-sd74r,domain name: n/a)
          Graceful Restart Capability: advertised and received
            Remote Restart timer is 120 seconds
            Address families by peer:
              none
        Graceful restart information:
          End-of-RIB send: IPv4 Unicast
          End-of-RIB received: IPv4 Unicast
          Local GR Mode: Helper*
          Remote GR Mode: Helper
          R bit: False
          N bit: False
          Timers:
            Configured Restart Time(sec): 120
            Received Restart Time(sec): 120
          IPv4 Unicast:
            F bit: False
            End-of-RIB sent: Yes
            End-of-RIB sent after update: No
            End-of-RIB received: Yes
            Timers:
              Configured Stale Path Time(sec): 360
          IPv6 Unicast:
            F bit: False
            End-of-RIB sent: No
            End-of-RIB sent after update: No
            End-of-RIB received: No
            Timers:
              Configured Stale Path Time(sec): 360
        Message statistics:
          Inq depth is 0
          Outq depth is 0
                               Sent       Rcvd
          Opens:                  1          1
          Notifications:          0          0
          Updates:                4          1
          Keepalives:            41         41
          Route Refresh:          2          0
          Capability:             0          0
          Total:                 48         43
        Minimum time between advertisement runs is 0 seconds
      
       For address family: IPv4 Unicast
        Update group 1, subgroup 1
        Packet Queue length 0
        Community attribute sent to this neighbor(all)
        Inbound path policy configured
        Outbound path policy configured
        Route map for incoming advertisements is *10.46.55.131-in
        Route map for outgoing advertisements is *10.46.55.131-out
        0 accepted prefixes
      
       For address family: IPv6 Unicast
        Not part of any update group
        Community attribute sent to this neighbor(all)
        Inbound path policy configured
        Outbound path policy configured
        Route map for incoming advertisements is *10.46.55.131-in
        Route map for outgoing advertisements is *10.46.55.131-out
        0 accepted prefixes
      
        Connections established 1; dropped 0
        Last reset 00:20:32,  Waiting for peer OPEN
      Local host: 10.46.55.116, Local port: 33126
      Foreign host: 10.46.55.131, Foreign port: 179
      Nexthop: 10.46.55.116
      Nexthop global: 2620:52:0:2e37:3648:edff:fef3:e7e4
      Nexthop local: fe80::3648:edff:fef3:e7e4
      BGP connection: shared network
      BGP Connect Retry Timer in Seconds: 120
      Estimated round trip time: 7 ms
      Peer Authentication Enabled
      Read thread: on  Write thread: on  FD used: 22
      
      
      logs: http://pastebin.test.redhat.com/1094203

              fpaoline@redhat.com Federico Paolinelli
              rhn-cnf-elevin Evgeny Levin
              Arti Sood Arti Sood
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                Created:
                Updated:
                Resolved: