Texas Instruments THUNDER TNETX3270 - Manual (Page 44)

TNETX3270
ThunderSWITCH

24/3 ETHERNET

SWITCH
WITH 24 10-MBIT/S PORTS AND 3 10-/100-MBIT/S PORTS
SPWS043B – NOVEMBER 1997 – REVISED APRIL 1999
44
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
E
Mirr
Bit = 1?
Remove:
– Disabled Ports
– Ports Blocked by TxBlockPorts
From Port Routing Code
Yes
If
((Source Port = MirrorPort or
Port Routing Code Includes MirrorPort)
and (Source Port ! = UplinkPort))
Then
Include UplinkPort in Port Routing Code
No
Lshare = 1?
No
Port Routing Code
is Adjusted by
Trunking Algorithm
(see Note A)
Destination
Found?
Yes No
Port Routing Code
is Adjusted by
Load-Sharing
Algorithm
(see Note A)
Yes
NOTE A: See Port Trunking/Load Sharing
Port Routing
Code = 0?
Send Frame to
Ports Indicated by
Port Routing Code
No
Yes Discard
Frame
D C
Figure 9. Frame-Routing Algorithm (Continued)
port mirroring
The TNETX3270 allows all transmitted frames on a particular port to be copied (or mirrored) to a designated
port.