Cisco SNAP 010b

[l.meyer]

Hi,

does anyone knows what the SNAP Type 010b is and for what this packets are used ?

THX

Larry

DLC: ----- DLC Header -----

DLC:

DLC: Frame 18 arrived at 08:57:31.0333; frame size is 64 (0040 hex) bytes.

DLC: Destination = Multicast 01000CCCCCCD

DLC: Source = Station 0009127D69B2

DLC: 802.3 length = 50

DLC:

LLC: ----- LLC Header -----

LLC:

LLC: DSAP Address = AA, DSAP IG Bit = 00 (Individual Address)

LLC: SSAP Address = AA, SSAP CR Bit = 00 (Command)

LLC: Unnumbered frame: UI

LLC:

SNAP: ----- SNAP Header -----

SNAP:

SNAP: Vendor ID = Cisco

SNAP: Type = 010B (Unknown)

SNAP: [42 Bytes of data]

SNAP:

[vblavet]

This MAC 01000CCCCCCD looks like a Cisco BPDU send over a 802.1Q vlan other than native vlan.

0009127D69B2 should be a Cisco switch mac somewhere in your network.

Hope this helps