Dell FCX624-I Laptop User Manual


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PowerConnect B-Series FCX Configuration Guide 279
53-1002266-01
PVST/PVST+ compatibility
8
Syntax: show span pvst-mode
This command displays the following information.
Configuration examples
The following examples show configuration examples for two common configurations:
Untagged IEEE 802.1Q BPDUs on VLAN 1 and tagged PVST+ BPDUs on other VLANs
Tagged IEEE 802.1Q BPDUs on VLAN 1 and untagged BPDUs on another VLAN
Tagged port using default VLAN 1 as its port native VLAN
Figure 54 shows an example of a PVST+ configuration that uses VLAN 1 as the untagged default
VLAN and VLANs 2, 3, and 4 as tagged VLANs.
FIGURE 54 Default VLAN 1 for untagged BPDU
To implement this configuration, enter the following commands.
TABLE 55 CLI display of PVST+ information
This field... Displays...
Port The Dell PowerConnect port number.
NOTE: The command lists information only for the ports on which
PVST+ support is enabled.
Method The method by which PVST+ support was enabled on the port. The
method can be one of the following:
Set by configuration – You enabled the support.
Set by auto-detect – The support was enabled automatically when
the port received a PVST+ BPDU.
PowerConnect#show span pvst-mode
PVST+ Enabled on:
Port Method
1/1 Set by configuration
1/2 Set by configuration
2/10 Set by auto-detect
3/12 Set by configuration
4/24 Set by auto-detect
Port1/2
Port1/1
Untagged IEEE BPDU for VLAN 1
Untagged PVST BPDU for VLAN 1
Tagged PVST BPDUs for VLANs 2, 3, 4
Another
device