#Linux xcalc 3.18.21 #1 SMP Wed Sep 9 08:28:47 EDT 2015 x86_64 x86_64 x86_64 GNU/Linux
#/etc/network/interfaces

# The primary network interface (physical)
auto em1
iface em1 inet manual
up ifconfig $IFACE up
down ifconfig $IFACE down

# The secondary network interface (physical)
auto em2
iface em2 inet manual
up ifconfig $IFACE up
down ifconfig $IFACE down

auto pem2
iface pem2 inet static
address 172.20.255.5
netmask 255.255.255.248
bridge_ports em2

auto vlan50
iface vlan50 inet manual
mtu 1500
up ifconfig $IFACE up
down ifconfig $IFACE down
vlan_raw_device em1

auto pvlan50
iface pvlan50 inet static
address 172.20.0.71
netmask 255.255.255.0
gateway 172.20.0.1
bridge_ports vlan50




#ifconfig
em1       Link encap:Ethernet  HWaddr 2c:44:fd:99:e4:28
          inet6 addr: fe80::2e44:fdff:fe99:e428/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:13487473 errors:0 dropped:244 overruns:0 frame:0
          TX packets:13961 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:2752327388 (2.7 GB)  TX bytes:1792818 (1.7 MB)
          Interrupt:32 Memory:f6000000-f67fffff

em2       Link encap:Ethernet  HWaddr 2c:44:fd:99:e4:2c
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:9878 errors:0 dropped:0 overruns:0 frame:0
          TX packets:9037 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:965642 (965.6 KB)  TX bytes:907882 (907.8 KB)
          Interrupt:36 Memory:f4800000-f4ffffff

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:16 errors:0 dropped:0 overruns:0 frame:0
          TX packets:16 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:1404 (1.4 KB)  TX bytes:1404 (1.4 KB)

pem2      Link encap:Ethernet  HWaddr 2c:44:fd:99:e4:2c
          inet addr:172.20.255.5  Bcast:172.20.255.7  Mask:255.255.255.248
          inet6 addr: fe80::2e44:fdff:fe99:e42c/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:870 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:40308 (40.3 KB)  TX bytes:648 (648.0 B)

pvlan50   Link encap:Ethernet  HWaddr 2c:44:fd:99:e4:28
          inet addr:172.20.0.71  Bcast:172.20.0.255  Mask:255.255.255.0
          inet6 addr: fe80::2e44:fdff:fe99:e428/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:64548 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8261 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:8382976 (8.3 MB)  TX bytes:1114166 (1.1 MB)

vlan50    Link encap:Ethernet  HWaddr 2c:44:fd:99:e4:28
          inet6 addr: fe80::2e44:fdff:fe99:e428/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:11898003 errors:0 dropped:0 overruns:0 frame:0
          TX packets:13777 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:2360387466 (2.3 GB)  TX bytes:1669805 (1.6 MB)



xcalc:~# xl in
host                   : xcalc
release                : 3.18.21
version                : #1 SMP Wed Sep 9 08:28:47 EDT 2015
machine                : x86_64
nr_cpus                : 40
max_cpu_id             : 63
nr_nodes               : 2
cores_per_socket       : 10
threads_per_core       : 2
cpu_mhz                : 2992
hw_caps                : bfebfbff:2c100800:00000000:00007f00:77bee3ff:00000000:00000001:00000281
virt_caps              : hvm hvm_directio
total_memory           : 196573
free_memory            : 192014
sharing_freed_memory   : 0
sharing_used_memory    : 0
outstanding_claims     : 0
free_cpus              : 0
xen_major              : 4
xen_minor              : 5
xen_extra              : .2-pre
xen_version            : 4.5.2-pre
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : Tue Jul 7 16:09:13 2015 +0100 git:bbbd29a
xen_commandline        : placeholder dom0_mem=2048M
cc_compiler            : gcc (Ubuntu 4.8.4-2ubuntu1~14.04) 4.8.4
cc_compile_by          : root
cc_compile_domain      :
cc_compile_date        : Thu Sep 24 02:46:14 MSK 2015
xend_config_format     : 4