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High availability / Re: Unexpected CARP ARP Reply
« on: October 17, 2023, 01:17:18 pm »
Thank you for the quick response!
I already expected as much...
Best regards,
modzilla
I already expected as much...
Best regards,
modzilla
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08:13:33.416505 fa:16:3e:0e:36:1b > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 42: Ethernet (len 6), IPv4 (len 4), Request who-has 100.64.56.254 tell 100.64.56.227, length 28
08:13:33.416593 fa:16:3e:61:76:50 > fa:16:3e:0e:36:1b, ethertype ARP (0x0806), length 42: Ethernet (len 6), IPv4 (len 4), Reply 100.64.56.254 is-at 00:00:5e:00:01:01, length 28
root@ovn-db1:~# ovn-trace --minimal 'inport == "c9d850ee-a534-4a52-8c16-b866d0a3a6d2"
&& arp.op == 2
&& eth.src == 00:00:5e:00:01:01
&& arp.sha == 00:00:5e:00:01:01
&& eth.dst == fa:16:3e:0e:36:1b
&& arp.tha == fa:16:3e:0e:36:1b
&& arp.spa == 100.64.56.254
&& arp.tpa == 100.64.56.227'
# arp,reg14=0x5,vlan_tci=0x0000,dl_src=00:00:5e:00:01:01,dl_dst=fa:16:3e:0e:36:1b,arp_spa=100.64.56.254,arp_tpa=100.64.56.227,arp_op=2,arp_sha=00:00:5e:00:01:01,arp_tha=fa:16:3e:0e:36:1b
output("84886d");
root@ovn-db1:~# ovn-trace --summary 'inport == "c9d850ee-a534-4a52-8c16-b866d0a3a6d2"
&& arp.op == 2
&& eth.src == fa:16:3e:61:76:50
&& arp.sha == 00:00:5e:00:01:01
&& eth.dst == fa:16:3e:0e:36:1b
&& arp.tha == fa:16:3e:0e:36:1b
&& arp.spa == 100.64.56.254
&& arp.tpa == 100.64.56.227'
# arp,reg14=0x5,vlan_tci=0x0000,dl_src=fa:16:3e:61:76:50,dl_dst=fa:16:3e:0e:36:1b,arp_spa=100.64.56.254,arp_tpa=100.64.56.227,arp_op=2,arp_sha=00:00:5e:00:01:01,arp_tha=fa:16:3e:0e:36:1b
ingress(dp="wan", inport="opnsense1-wan") {
reg0[15] = check_in_port_sec();
next;
drop;
};
Ich habe zum Glück einen ganz normalen IPv4 Anschluss. Kein DS-Lite oä. Damit mache ich auch die ganzen Port-Freigaben
WAN / Internet Glasfaser
:
: PPPoE (Telekom)
:
.-----+------. private DMZ .------------.
| OPNsense +-----------------+ DMZ-Server |
'-----+------' 10.0.2.1/24 '------------'
|
LAN | 10.0.1.1/24
|
.-----+------.
| LAN-Switch |
'-----+------'
|
...-----+------... (Clients/Servers)