On 7/6/20 6:00 AM, Philip Homburg wrote: > On 2020/07/05 19:55 , Bryan Fields wrote: >> Is this normal or is there a problem with my probe? I've never really taken >> this close of a look before, I'm unsure if it has an issue or if this is >> normal. > > Do you see any ARP request coming from the probe? It seems that the > probe cannot reach it's default router on IPv4.
Yes, it responds sometimes on v4, and always on v6. I'm at a loss to understand it. v4: > bfields@colo> ping 199.47.174.226 interface vlan.200 source 199.47.174.225 > PING 199.47.174.226 (199.47.174.226): 56 data bytes > 64 bytes from 199.47.174.226: icmp_seq=4 ttl=64 time=1.629 ms > 64 bytes from 199.47.174.226: icmp_seq=35 ttl=64 time=1.622 ms > 64 bytes from 199.47.174.226: icmp_seq=43 ttl=64 time=1.562 ms > 64 bytes from 199.47.174.226: icmp_seq=51 ttl=64 time=1.728 ms > 64 bytes from 199.47.174.226: icmp_seq=55 ttl=64 time=2.327 ms > ^C > --- 199.47.174.226 ping statistics --- > 60 packets transmitted, 5 packets received, 91% packet loss > round-trip min/avg/max/stddev = 1.562/1.774/2.327/0.282 ms v6: > ping 2605:900::1:9fff:fe04:f4a3 > PING6(56=40+8+8 bytes) 2605:900::1 --> 2605:900::1:9fff:fe04:f4a3 > 16 bytes from 2605:900::1:9fff:fe04:f4a3, icmp_seq=0 hlim=64 time=3.098 ms > 16 bytes from 2605:900::1:9fff:fe04:f4a3, icmp_seq=1 hlim=64 time=6.471 ms > 16 bytes from 2605:900::1:9fff:fe04:f4a3, icmp_seq=2 hlim=64 time=2.898 ms > 16 bytes from 2605:900::1:9fff:fe04:f4a3, icmp_seq=3 hlim=64 time=1.367 ms > 16 bytes from 2605:900::1:9fff:fe04:f4a3, icmp_seq=4 hlim=64 time=1.320 ms > 16 bytes from 2605:900::1:9fff:fe04:f4a3, icmp_seq=5 hlim=64 time=1.864 ms > 16 bytes from 2605:900::1:9fff:fe04:f4a3, icmp_seq=6 hlim=64 time=1.415 ms > 16 bytes from 2605:900::1:9fff:fe04:f4a3, icmp_seq=7 hlim=64 time=2.624 ms > 16 bytes from 2605:900::1:9fff:fe04:f4a3, icmp_seq=8 hlim=64 time=2.308 ms > 16 bytes from 2605:900::1:9fff:fe04:f4a3, icmp_seq=9 hlim=64 time=2.577 ms > 16 bytes from 2605:900::1:9fff:fe04:f4a3, icmp_seq=10 hlim=64 time=2.605 ms > 16 bytes from 2605:900::1:9fff:fe04:f4a3, icmp_seq=11 hlim=64 time=2.855 ms > ^C > --- 2605:900::1:9fff:fe04:f4a3 ping6 statistics --- > 12 packets transmitted, 12 packets received, 0% packet loss > round-trip min/avg/max/std-dev = 1.320/2.617/6.471/1.309 ms ARP: > bfields@colo> show arp no-resolve |match 199.47.174.226 > 02:01:9f:04:f4:a3 199.47.174.226 vlan.200 none MAC Table: > show ethernet-switching table interface ge-0/0/6.0 > Ethernet-switching table: 1 unicast entries > VLAN MAC address Type Age Interfaces > Atlas-Probe * Flood - All-members > Atlas-Probe 02:01:9f:04:f4:a3 Learn 0 ge-0/0/6.0 Interface: > show interfaces ge-0/0/6 > Physical interface: ge-0/0/6, Enabled, Physical link is Up > Interface index: 136, SNMP ifIndex: 514 > Description: Server: Atlas Probe [1Mbit] (RIPE) > Link-level type: Ethernet, MTU: 1514, LAN-PHY mode, Speed: Auto, Duplex: > Auto, BPDU Error: None, > MAC-REWRITE Error: None, Loopback: Disabled, Source filtering: Disabled, > Flow control: Enabled, > Auto-negotiation: Enabled, Remote fault: Online, Media type: Copper > Device flags : Present Running > Interface flags: SNMP-Traps Internal: 0x0 > Link flags : None > CoS queues : 8 supported, 8 maximum usable queues > Current address: 78:19:f7:82:a1:09, Hardware address: 78:19:f7:82:a1:09 > Last flapped : 2020-07-04 11:42:33 EDT (1d 23:43 ago) > Input rate : 4160 bps (6 pps) > Output rate : 1296 bps (2 pps) > Active alarms : None > Active defects : None > Interface transmit statistics: Disabled > > Logical interface ge-0/0/6.0 (Index 78) (SNMP ifIndex 515) > Flags: Up SNMP-Traps Redundancy-Device 0x0 Encapsulation: ENET2 > Input packets : 7039008 > Output packets: 32913928 > Protocol eth-switch > Flags: None > -- Bryan Fields 727-409-1194 - Voice http://bryanfields.net