On 09/09/2014 02:11 PM, Robert Moskowitz issued this missive:
I am working on a system that has a stable MACaddr (an issue with many
arm SOC), so I don't suspect that as an issue.
cat /etc/udev/rules.d/70-persistent-net.rules
# Added by 'write_udev' for detected device 'eth0'.
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
ATTR{address}=="02:c4:03:82:c1:53", NAME="eth0"
cat /etc/sysconfig/network
NETWORKING=yes
HOSTNAME=test.htt-consult.com
cat /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE="eth0"
BOOTPROTO="none"
ONBOOT="yes"
TYPE="Ethernet"
NAME="System eth0"
cat /etc/sysconfig/network-scripts/ifcfg-eth0.16
DEVICE="eth0.16"
BOOTPROTO="dhcp"
vlan="yes"
ONBOOT="yes"
TYPE="Ethernet"
NAME="System eth0.16"
HOSTNAME="test.htt-consult.com"
IPV6INIT="yes"
ip addr show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast
state UNKNOWN qlen 1000
link/ether 02:c4:03:82:c1:53 brd ff:ff:ff:ff:ff:ff
inet6 fe80::c4:3ff:fe82:c153/64 scope link
valid_lft forever preferred_lft forever
Note I have set up the switch port so that ALL my vlans are accessable
from this port as 'tagged'. There are no 'untagged'. VALN 16 is one of
the available labels. I had earlier tried this with only VALN 16
available, and that did not work; I enabled all vlans then. None of the
vlans are untagged, so nothing is reachable the eth0.
It bothers me that eth0.16 does not even show in the 'ip addr show'
command output.
Have you verified that the driver for that NIC supports VLAN tagging?
Some don't.
Have you tried a manual config, e.g. "vconfig add eth0 16"? If that
works, could you add
KERNEL="eth*"
to the line in your /etc/udev/rules.d/70-persistent-net.rules file and
see if that helps? It may be that the kernel isn't recognizing the
device's name.
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- Rick Stevens, Systems Engineer, AllDigital ricks@xxxxxxxxxxxxxx -
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