I encounter packet losses on a hAPac2 router with RouterOS v7 with a minimally configured default setup (just done a fresh netinstall).
When testing using ping, then there are many gaps in the “icmp_seq=” numbers in the ping output (it says “70% packet loss”):
# ping google.de
PING google.de (142.250.181.195) 56(84) bytes of data.
64 bytes from ham02s21-in-f3.1e100.net (142.250.181.195): icmp_seq=1 ttl=115 time=15.1 ms
64 bytes from ham02s21-in-f3.1e100.net (142.250.181.195): icmp_seq=2 ttl=115 time=13.2 ms
64 bytes from ham02s21-in-f3.1e100.net (142.250.181.195): icmp_seq=5 ttl=115 time=15.2 ms
64 bytes from ham02s21-in-f3.1e100.net (142.250.181.195): icmp_seq=7 ttl=115 time=18.7 ms
64 bytes from ham02s21-in-f3.1e100.net (142.250.181.195): icmp_seq=9 ttl=115 time=17.0 ms
64 bytes from ham02s21-in-f3.1e100.net (142.250.181.195): icmp_seq=10 ttl=115 time=13.9 ms
64 bytes from ham02s21-in-f3.1e100.net (142.250.181.195): icmp_seq=12 ttl=115 time=16.1 ms
64 bytes from ham02s21-in-f3.1e100.net (142.250.181.195): icmp_seq=37 ttl=115 time=16.0 ms
64 bytes from ham02s21-in-f3.1e100.net (142.250.181.195): icmp_seq=39 ttl=115 time=15.2 ms
64 bytes from ham02s21-in-f3.1e100.net (142.250.181.195): icmp_seq=42 ttl=115 time=16.9 ms
64 bytes from ham02s21-in-f3.1e100.net (142.250.181.195): icmp_seq=44 ttl=115 time=16.5 ms
64 bytes from ham02s21-in-f3.1e100.net (142.250.181.195): icmp_seq=45 ttl=115 time=15.4 ms
64 bytes from ham02s21-in-f3.1e100.net (142.250.181.195): icmp_seq=46 ttl=115 time=16.8 ms
64 bytes from ham02s21-in-f3.1e100.net (142.250.181.195): icmp_seq=47 ttl=115 time=15.2 ms
64 bytes from ham02s21-in-f3.1e100.net (142.250.181.195): icmp_seq=49 ttl=115 time=15.6 ms
^C
--- google.de ping statistics ---
50 packets transmitted, 15 received, 70% packet loss, time 49762ms
rtt min/avg/max/mdev = 13.237/15.838/18.716/1.292 ms
Environment:
|
WANrouter (ISP router: LAN=192.168.254.0/24, LAN-IP=192.168.254.254)
|
LANrouter (hAPac2 router: WAN-IP=192.168.254.252, LAN=192.168.88.0/24, LAN-IP=192.168.88.1 )
| | |__ PC1 (IP=192.168.88.3, Linux machine w/ recent kernel, IPv4 only, no IPv6)
| |____ PC2 (offline)
|______ PC3 (offline)
All IPs are static (except that from the ISP), netmask is /24.
If I attach PC1 directly to the WANrouter (after changing its IP accordingly) then there are no packet losses.
So, the error happens on the hAPac2.
How to diagnose and fix this issue?
Which cfg data is needed to post here for diagnosis?