Brocade Multi-Service IronWare Switching Configuration Gui Instrukcja Użytkownika Pobierz pdf (Strona 553)

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Multi-Service IronWare Switching Configuration Guide 523

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Manual switch

Figure 137 shows a manual switch on ERN 3, which is a non-RPL node. In order to clear the MS

condition, the operator must enter the manual switch command from ERN 3. The sequence of

messages and actions is as shown in Figure 138.

FIGURE 138 MS on Non-RPL node

After the manual switch is triggered, the operator can clear it with the no command and MS

recovery will begin. Figure 139 shows the sequence of events during the MS recovery process.

FIGURE 139 MS recovery process

Non-RPL node with error (ERN 3) RPL owner (ERN 1) and RPL node (ERN2) Other Non-RPL node (ERN 4)

From the Idle state, ERN3:

1Blocks the MS port

2 Sends the RAPS (MS)

3 Flushes the FDB

4 Enters the manual switch (MS)

state

From the Idle state, ERN 4:

1 Forward R-APS (MS)

2Flush the FDB

3 Enter the MS state

From the Idle state, ERN 1:

1 Forwards R-APS (MS)

2Unblocks the RPL

3 Flushes the FDB

4 Enters the MS state

Non-RPL node with error (ERN 3) RPL owner (ERN 1) RPL node (ERN2) with dual-end

blocking enabled

Non-RPL node (ERN 4)

From the MS state, ERN 3:

1 Stops sending R-APS (MS)

2 Sends R-APS (NR)

3 Continues to block the port

4 Enters the Pending state

From the MS state, ERN 1:

1 Receives the R-APS (NR)

2 Starts the WTB timer

3 Forwards the R-APS (NR)

4 Enters the Pending state

5 After the WTB timer

expires, blocks the RPL

6 Flushes the FDB

7 Sends R-APS (NR, RB)

8 Enters the Idle state

From the MS state, ERN 2:

1 Receives the R-APS (NR)

2 Forwards the R-APS (NR)

3 Enters the Pending state

From the MS state, ERN 2:

1 Receives the R-APS (NR)

2 Forwards the R-APS (NR)

3Enters the Pending state

From the Pending state, ERN 3:

5. Receives the R-APS (NR, RB)

and unblocks the blocking port

6. Forwards the R-APS (NR, RB)

7. Flushes the FDB

8. Enters the Idle state

From the Pending state, ERN 2:

4. Blocks the RPL

5. Forwards the R-APS (NR, RB)

6. Flushes the FDB

7. Enters the Idle state

From the Pending state, ERN 4:

4. Forwards the R-APS (NR, RB)

5. Flushes the FDB

6. Enters the Idle state

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