Dell PowerConnect B-FCXs Configuration Manual page 386

10
Metro Ring Protocol (MRP)
FIGURE 63
Customer A
Each RHP also has a sequence number. MRP can use the sequence number to determine the
round-trip time for RHPs in the ring. Refer to
344
Metro ring – from preforwarding to forwarding
PF
F
Switch C
PF
Customer A
F
PF F
Switch B
Secondary port
receives RHP 1
and changes to
Blocking
Primary port then
sends RHP 2 with
forwarding bit on
Switch D
PF
PF
F
Customer A
"Using MRP diagnostics"
RHP 2
Forwarding bit is on.
Each port changes from
Preforwarding to Forwarding
when it receives this RHP.
F
Switch A
Master
Node
B
on page 352.
PowerConnect B-Series FCX Configuration Guide
F
Customer A
53-1002266-01