Configuring Spanning Trees As Hitless; Snmp Traps For Root Elections And Topology Changes - Dell Force10 Z9000 Configuration Manual

View only the root information using the
privilege mode.
Figure 44-9. show spanning-tree root Command Example
FTOS#show spanning-tree 0 root
FTOS#

SNMP Traps for Root Elections and Topology Changes

• Enable SNMP traps for Spanning Tree state changes using the command
stp
.
• Enable SNMP traps for RSTP, MSTP, and PVST+ collectively using the command
enable traps xstp

Configuring Spanning Trees as Hitless

Configuring Spanning Trees as Hitless
You can configure Spanning Tree (STP), Rapid Spanning Tree (RSTP), Multiple Spanning Tree (MSTP),
and Per-Vlan Spanning Tree (PVST+) to be hitless (all or none must be configured as hitless). When
configured as hitless, critical protocol state information is synchronized between RPMs so that RPM
failover is seamless, and no topology change is triggered.
Configure all Spanning Tree types to be hitless using the command
CONFIGURATION mode, as shown in
Figure 44-10. Configuring all Spanning Tree Types to be Hitless
FTOS(conf)#redundancy protocol xstp
FTOS#show running-config redundancy
!
redundancy protocol xstp
FTOS#
| Spanning Tree Protocol (STP)
886
Root ID Priority 32768, Address 0001.e80d.2462
We are the root of the spanning tree
Root Bridge hello time 2, max age 20, forward delay 15
.
show spanning-tree root
is supported only on platforms:
Figure 44-10.
command (see Figure 44-9) from EXEC
snmp-server enable traps
snmp-server
c e
redundancy protocol xstp
from