Üdvözlet!
Egy Debian9-en szeretnék VLAN-t beállítani. A Cisco switch-en a trunk port-ot stb. sikerült beállítani, de a Debian9-en a VLAN-ok, IP címek, interfészek stb. után sem sincsen forgalom. Csak a natív (fizikai) interfészen megy a forgalom. A VLAN interfészeken sajnos nem. Ping-re sajnos csak a Destination Host Unreachable üzenetet kapom. Érdekes módon IPv6-os forgalom (globális címekkel) tökéletesen megy a VLAN-okból, csak az IPv4-es forgalom nem megy. A 800-as VLAN lenne a menedzsment VLAN.
Előre is köszönöm a segítséget!
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ifconfig -a
enp0s25: flags=4163 mtu 1500
inet 10.1.1.20 netmask 255.255.255.0 broadcast 10.1.1.255
inet6 fe80::20f:feff:fe57:8e3d prefixlen 64 scopeid 0x20
inet6 globális ipv6 cím prefixlen 64 scopeid 0x0
ether 00:0f:fe:57:8e:3d txqueuelen 1000 (Ethernet)
RX packets 1665 bytes 157383 (153.6 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 1365 bytes 128303 (125.2 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 19 memory 0xf0500000-f0520000
enp0s25.2: flags=4163 mtu 1500
inet 172.16.2.3 netmask 255.255.255.240 broadcast 172.16.2.15
inet6 fe80::20f:feff:fe57:8e3d prefixlen 64 scopeid 0x20
ether 00:0f:fe:57:8e:3d txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 17 bytes 1278 (1.2 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
enp0s25.800: flags=4163 mtu 1500
inet 10.1.1.25 netmask 255.255.255.0 broadcast 10.1.1.255
inet6 fe80::20f:feff:fe57:8e3d prefixlen 64 scopeid 0x20
ether 00:0f:fe:57:8e:3d txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 17 bytes 1278 (1.2 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73 mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10
loop txqueuelen 1 (Local Loopback)
RX packets 82 bytes 6180 (6.0 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 82 bytes 6180 (6.0 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
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cat /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
source /etc/network/interfaces.d/*
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
allow-hotplug enp0s25
iface enp0s25 inet static
address 10.1.1.20/24
gateway 10.1.1.1
# dns-* options are implemented by the resolvconf package, if installed
dns-nameservers 10.1.1.12
#auto enp0s25
auto enp0s25.2
iface enp0s25.2 inet static
address 172.16.2.3
netmask 255.255.255.240
vlan-raw-device enp0s25
auto enp0s25.800
iface enp0s25.800 inet static
address 10.1.1.25
netmask 255.255.255.0
vlan-raw-device enp0s25
#######################################################################################################
/proc/net/vlan# ls -al
sszesen 0
dr-xr-xr-x 2 root root 0 febr 14 18:03 .
dr-xr-xr-x 6 root root 0 febr 14 18:03 ..
-rw------- 1 root root 0 febr 14 18:03 config
-rw------- 1 root root 0 febr 14 18:03 enp0s25.2
-rw------- 1 root root 0 febr 14 18:03 enp0s25.800
########################################################################################################
cat /etc/sysctl.conf
net.ipv4.ip_forward=1
net.ipv4.conf.default.rp_filter=0
net.ipv4.conf.all.rp_filter=0
#########################################################################################################
cat /etc/modules
# /etc/modules: kernel modules to load at boot time.
#
# This file contains the names of kernel modules that should be loaded
# at boot time, one per line. Lines beginning with "#" are ignored.
8021q
##########################################################################################################
cat /proc/net/vlan/config
VLAN Dev name | VLAN ID
Name-Type: VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD
enp0s25.2 | 2 | enp0s25
enp0s25.800 | 800 | enp0s25
###########################################################################################################
ip route
default via 10.1.1.1 dev enp0s25 onlink
10.1.1.0/24 dev enp0s25 proto kernel scope link src 10.1.1.20
10.1.1.0/24 dev enp0s25.800 proto kernel scope link src 10.1.1.25
172.16.2.0/28 dev enp0s25.2 proto kernel scope link src 172.16.2.3
###########################################################################################################
ping 172.16.2.1
PING 172.16.2.1 (172.16.2.1) 56(84) bytes of data.
From 172.16.2.3 icmp_seq=1 Destination Host Unreachable
From 172.16.2.3 icmp_seq=2 Destination Host Unreachable
From 172.16.2.3 icmp_seq=3 Destination Host Unreachable
From 172.16.2.3 icmp_seq=4 Destination Host Unreachable
From 172.16.2.3 icmp_seq=5 Destination Host Unreachable
From 172.16.2.3 icmp_seq=6 Destination Host Unreachable
From 172.16.2.3 icmp_seq=7 Destination Host Unreachable
From 172.16.2.3 icmp_seq=8 Destination Host Unreachable
From 172.16.2.3 icmp_seq=9 Destination Host Unreachable