На том коммутаторе залить новую прошивку возможности нет. Нашел другой похожий
Device Type : DXS-3326GSR Stackable Ethernet Switch
Unit ID : 1
MAC Address : 00-15-E9-35-3E-00
...
Boot PROM Version : Build 2.01-B01
Firmware Version : Build 4.40-B04
Hardware Version : 5A1.2A1
Проблема та же
15:16:20.564321 IP 192.168.3.205 > 192.168.3.204: ICMP echo reply, id 768, seq 14080, length 40
15:16:21.564410 vlan 555, p 0, IP 192.168.3.204 > 192.168.3.205: ICMP echo request, id 768, seq 14336, length 40
15:16:21.564468 IP 192.168.3.205 > 192.168.3.204: ICMP echo reply, id 768, seq 14336, length 40
15:16:22.564758 vlan 555, p 0, IP 192.168.3.204 > 192.168.3.205: ICMP echo request, id 768, seq 14592, length 40
15:16:22.564820 IP 192.168.3.205 > 192.168.3.204: ICMP echo reply, id 768, seq 14592, length 40
15:16:23.564895 vlan 555, p 0, IP 192.168.3.204 > 192.168.3.205: ICMP echo request, id 768, seq 14848, length 40
Кусок конфига
...
# MIRROR
config mirror port 1:24 add source ports 1:22 rx
config mirror port 1:24 add source ports 1:22 tx
enable mirror
...
# VLAN
config vlan default delete 1:1-1:26
config vlan default advertisement disable
create vlan Management tag 100 type 1q_vlan
config vlan Management add untagged 1:21 advertisement disable
create vlan xxx tag 555 type 1q_vlan
config vlan xxx add tagged 1:21
config vlan xxx add untagged 1:22 advertisement disable
disable gvrp
config gvrp 1:1-1:20,1:23-1:26 state disable ingress_checking enable acceptable_frame admit_all pvid 1
config gvrp 1:21 state disable ingress_checking enable acceptable_frame admit_all pvid 100
config gvrp 1:22 state disable ingress_checking enable acceptable_frame admit_all pvid 555
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