VSS-Monitoring ethernet trailer лишние байты?

[ARMADIK]

Добрый день.

Подскажите что за поле в пакете VSS-Monitoring ethernet traile мне показывает WireShark?

может ли получатель igmp джоинта (cisco - 9k), не понимать\дропать пакет, из за лишних байтов?

 

Frame 542: 66 bytes on wire (528 bits), 66 bytes captured (528 bits) on interface 0

Interface id: 0 (\Device\NPF_{DBA588C3-ED49-470B-AD6B-838AC491F2C4})

Encapsulation type: Ethernet (1)

Arrival Time: Aug 18, 2017 10:45:19.461401000 RTZ 2 (����)

[Time shift for this packet: 0.000000000 seconds]

Epoch Time: 1503042319.461401000 seconds

[Time delta from previous captured frame: 0.180545000 seconds]

[Time delta from previous displayed frame: 28.995750000 seconds]

[Time since reference or first frame: 165.518188000 seconds]

Frame Number: 542

Frame Length: 66 bytes (528 bits)

Capture Length: 66 bytes (528 bits)

[Frame is marked: False]

[Frame is ignored: False]

[Protocols in frame: eth:ethertype:ip:igmp:igmp:vssmonitoring]

[Coloring Rule Name: Routing]

[Coloring Rule String: hsrp || eigrp || ospf || bgp || cdp || vrrp || carp || gvrp || igmp || ismp]

Ethernet II, Src: Zhongxin_9c:7f:9a (00:d0:d0:9c:7f:9a), Dst: IPv4mcast_00 (01:00:5e:00:00:00)

Destination: IPv4mcast_00 (01:00:5e:00:00:00)

Address: IPv4mcast_00 (01:00:5e:00:00:00)

.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)

.... ...1 .... .... .... .... = IG bit: Group address (multicast/broadcast)

Source: Zhongxin_9c:7f:9a (00:d0:d0:9c:7f:9a)

Address: Zhongxin_9c:7f:9a (00:d0:d0:9c:7f:9a)

.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)

.... ...0 .... .... .... .... = IG bit: Individual address (unicast)

Type: IPv4 (0x0800)

Padding: 0000000000000000000000000000

Internet Protocol Version 4, Src: 192.168.2.14, Dst: 225.0.0.0

Internet Group Management Protocol

[iGMP Version: 2]

Type: Membership Report (0x16)

Max Resp Time: 0.0 sec (0x00)

Header checksum: 0x08ff [correct]

Multicast Address: 225.0.0.0

VSS-Monitoring ethernet trailer, Source Port: 0

Src Port: 0