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Cisco CRS-1 Carrier Routing System Multishelf System Upgrade and Conversion Guide
OL-12571-01
Chapter2 Converting to an Integrated Switch System
How to Convert from the Cisco Catalyst 65xx Switch to the Integrated Switch System for Single-FCC Multishelf and
Two-FCC Multishelf Systems
##### MST 1 vlans mapped: 1
Bridge address 5246.48f0.20ff priority 32769 (32768 sysid 1)
Root this switch for MST1
Interface Role Sts Cost Prio.Nbr Type
---------------- ---- --- --------- -------- ---------------------------
GE_13 Desg FWD 20000 128. 14 P2p
GE_14 Desg FWD 20000 128. 15 P2p
GE_15 Desg FWD 20000 128. 16 P2p
GE_17 Desg FWD 20000 128. 18 P2p
GE_22 Desg FWD 20000 128. 23 P2p
Transferring an Active Cat6K Gigabit Ethernet Connections to the Active 22-port SCGE (Single-FCC Multishelf and Two-FCC Multishelf Systems)
To transfer the active Cat6K GE connections to the active 22-port SCGE and isolate the active Cat6K
from the control network, perform the following steps:
Step 1 Disable the active Cat6K links that are connected to the active RP on the Designated Shelf Controller
(DSC).
Step 2 Use the show controllers switch inter-rack stp command in administration EXEC mode to verify on
the active RPs that the GE1 port, which is connected to the 22-port SCGE, goes into the forwarding
(FWD) state.
The location is the location of the active RP.
Step 3 Shut down the ports on the active Cat6K one at a time, with the exception of the four links between an
active Cat6K and the 22-port SCGE. Now, the active Cat6K remains connected to the fabric chassis with
four GE links.
Step 4 Use the show controllers switch inter-rack stp command in administration EXEC mode to verify on
all RPs that the GE1 port, which is connected to the 22-port SCGE, goes into the forwarding (FWD)
state.
Step 5 Move the disabled GE link connecting the RPs and the act ive Cat6K link to the 22-port SCGE card.
Step 6 Use the show controllers switch inter-rack stp command in administration EXEC mode to verify on
all RPs that the GE0 port, which is connected to the 22-port SCGE, goes into the blocked (BLK) state.
Step 7 Raise the priority of active Cat6K to 40960, which causes the root to change to 22-port SCGE on rack
FCC0.
Step 8 Use the show controllers switch inter-rack stp command in administration EXEC mode to verify that
the active SC on FCC0 is the new root switch.
Step 9 Shut down the port that is connected to the active Cat6K on each of the 22-port SCGEs.
Step 10 Verify that there is no impact to the active topology and the control Ethernet traffic.
The migration is complete after you validate the new connections. Yo u can remove the two
Cisco Catalyst 65xx switches.