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Private VLAN (PVLAN)
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Community VLAN
:
A community VLAN is a secondary VLAN of the primary VLAN:
•
Ports in a community VLAN can talk to each other. Also, all ports in a community VLAN can talk
to all
promiscuous ports
in the primary VLAN and vice-versa.
•
Devices on a community VLAN can communicate with each other via member ports, while
devices in an isolated VLAN cannot.
Isolated VLAN
:
An isolated VLAN is a secondary VLAN of the primary VLAN:
•
Ports in an isolated VLAN cannot talk to each other. Servers would be mostly connected to
isolated VLAN ports.
•
Isolated ports can talk to promiscuous ports in the primary VLAN, and vice-versa.
Port types
:
•
Community
port:
A
community port
is, by definition, a port that belongs to a community VLAN
and is allowed to communicate with other ports in the same community VLAN and with
promiscuous ports.
•
Isolated
port:
An
isolated port
is, by definition, a port that, in Layer 2, can only communicate
with promiscuous ports that are in the same PVLAN.
•
Promiscuous port:
A
promiscuous port
is, by definition, a port that is allowed to communicate
with any other port type.
•
Trunk port
: A
trunk port
, by definition, carries VLAN traffic across switches:
•
A trunk port in a PVLAN is always tagged.
•
Primary or secondary VLAN traffic is carried by the trunk port in tagged mode.
The tag on the packet helps identify the VLAN to which the packet belongs.
•
A trunk port can also belong to a regular VLAN (non-private VLAN).
ip local-proxy-arp
c s
Enable/disable Layer 3 communication between secondary VLANs in a private VLAN.
Syntax
[
no
]
ip local-proxy-arp
To disable Layer 3 communication between secondary VLANs in a private VLAN, use the
no ip
local-proxy-arp
command in the INTERFACE VLAN mode for the primary VLAN.
To disable Layer 3 communication in a particular secondary VLAN, use the
no ip local-proxy-arp
command in the INTERFACE VLAN mode for the selected secondary VLAN.
Note
: Even after
ip-local-proxy-arp
is disabled (
no ip-local-proxy-arp
) in a secondary VLAN,
Layer 3 communication may happen between some secondary VLAN hosts, until the ARP timeout
happens on those secondary VLAN hosts.
Defaults
Layer 3 communication is disabled between secondary VLANs in a private VLAN.
Command Modes
INTERFACE VLAN
Содержание Force10 TeraScale C Series
Страница 1: ...FTOS Command Line Reference Guide FTOS 8 4 2 7 E Series TeraScale C Series S Series S50 S25 ...
Страница 164: ...164 Control and Monitoring w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 176: ...176 802 1ag w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 188: ...188 802 3ah w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 204: ...204 802 1X w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 294: ...294 Access Control Lists ACL w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 428: ...428 Border Gateway Protocol IPv4 BGPv4 w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 456: ...456 Configuration Rollback w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 472: ...472 Dynamic Host Configuration Protocol DHCP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 484: ...484 Far End Failure Detection FEFD w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 682: ...682 IPv4 Routing w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 732: ...732 IPv6 Basics w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 896: ...896 Layer 2 w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 914: ...914 Link Layer Detection Protocol LLDP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 926: ...926 Multicast Listener Discovery MLD w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 952: ...952 Multiple Spanning Tree Protocol MSTP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 976: ...976 Multicast w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 984: ...984 Neighbor Discovery Protocol NDP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1094: ...1094 Policy based Routing PBR w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1130: ...1130 PIM Sparse Mode PIM SM w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1164: ...1164 Private VLAN PVLAN w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1276: ...1276 Rapid Spanning Tree Protocol RSTP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1342: ...1342 Service Provider Bridging w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1354: ...1354 sFlow w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1428: ...1428 Spanning Tree Protocol STP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1444: ...1444 Time and Network Time Protocol NTP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1464: ...1464 VLAN Stacking w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1494: ...1494 Virtual Router Redundancy Protocol VRRP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1534: ...1534 C Series Diagnostics and Debugging w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1574: ...1574 E Series Debugging and Diagnostics w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1592: ...1592 S Series Debugging and Diagnostics w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1622: ...1622 Index w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1640: ...1640 Command Index w w w d e l l c o m s u p p o r t d e l l c o m ...