You didn't paste the results of the "ip n" command, at the bottom. The "ip n" command is the modern equivalent of arp, but works for ipv6 also. In any case, the results are potentially important, which is why I asked for it.
On Thu, Dec 11, 2025 at 3:01 PM Rich Shepard <[email protected]> wrote: > > On Thu, 11 Dec 2025, Russell Senior wrote: > > > Okay, now do the equivalent from the other side: > > ( hostname && ip a && ping -c1 caddis && ip n ) > > > /tmp/salmo-to-caddis.txt > > salmo > 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group > default qlen 1000 > link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 > inet 127.0.0.1/8 scope host lo > valid_lft forever preferred_lft forever > inet6 ::1/128 scope host > valid_lft forever preferred_lft forever > 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group > default qlen 1000 > link/ether 0c:9d:92:83:6e:27 brd ff:ff:ff:ff:ff:ff > inet 192.168.55.1/24 brd 192.168.55.255 scope global eth0 > valid_lft forever preferred_lft forever > inet6 fe80::e9d:92ff:fe83:6e27/64 scope link > valid_lft forever preferred_lft forever > PING caddis.appl-ecosys.com (192.168.55.2) 56(84) bytes of data. > From salmo.appl-ecosys.com (192.168.55.1) icmp_seq=1 Destination Host > Unreachable > > --- caddis.appl-ecosys.com ping statistics --- > 1 packets transmitted, 0 received, +1 errors, 100% packet loss, time 0ms > > Rich
