Nexus Mstp And Mxl Mstp - Remainder Of Test Observations - Dell Force10 C150 Manual

Deploying the Dell Force10 MXL into a Cisco Nexus Network Environment
Te 1/31 128.216 128 200000 DIS
Te 1/32 128.217 128 200000 DIS
Te 1/43 128.228 128 2000
Te 1/45 128.230 128 2000
Interface
Name Role PortID Prio Cost
---------- ------ -------- ---- ------- ----------- ------- --------- ---- ------ --------
Po 1 Dis 128.2
Te 1/1 Dis
Te 1/2 Dis
Te 1/3 Dis
...
Te 1/30 Dis
Te 1/31 Dis
Te 1/32 Dis
Te 1/43 Root 128.228 128 2000
Te 1/45 Dis
MXL2#
Nexus MSTP and MXL MSTP – Remainder of Test Observations
After the Local Port Failover and Failback scenarios were observed, the following 4 scenarios were
also observed.
1) Failover: Uplink Failure Simulation (Uplink Fast). In this test a shutdown was issued on N5K1's
interface 1/5. This caused MXL2 to place its interface 1/45 into a status of Discarding and its
interface 1/43 in to the Role of Root. This scenario was observed with only a single ping being
lost during the failover, indicating that the re-convergence took about 1 second
2) Failback: Uplink Failure Simulation (Uplink Fast). In this test a no shutdown was issued on
N5K1's interface 1/5. This caused STP on MXL2 to place its interface 1/43 into a Role of
Alternate and its interface 1/45 in to the Role of Root since it has the lowest path cost to the
FWD
DIS
Sts
128 200000 DIS
128.186 128 2000 DIS
128.187 128 200000 DIS
128.188 128 2000 DIS
128.215 128 200000 DIS
128.216 128 200000 DIS
128.217 128 200000 DIS
128.230 128 2000 DIS
4000 32768 001e.c9f1.0153 128.216
4000 32768 001e.c9f1.0153 128.217
4000 28672 547f.ee6c.21c1 128.131
4000 32768 001e.c9f1.0153 128.230
Bpdu
Cost Link-type Edge Filter Boundary
4000 P2P No No
4000 P2P
4000 P2P
4000 P2P
4000 P2P
4000 P2P
4000 P2P
FWD 4000 P2P
4000 P2P
No
No No No
No No No
No No No
No No No
No No No
No No No
No No No
No No No
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