RE: Private VLANs..contd

From: David Murray (AU) (David.Murray3@didata.com.au)
Date: Fri Feb 27 2009 - 22:06:27 ARST


Also I should mention that I have tried the private vlan in question in isolated and community.

And on the second 3560 I have tried the port as a promiscuous port and still it stays in non connect.

The vlans are created and seem to be fine...

VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
1 default active Fa0/1, Fa0/3, Fa0/6, Fa0/7
                                                Fa0/8, Fa0/9, Fa0/10, Fa0/11
                                                Fa0/12, Fa0/13, Fa0/14, Fa0/15
                                                Fa0/16, Fa0/17, Fa0/18, Fa0/20
                                                Fa0/23, Fa0/24, Gi0/1, Gi0/2
100 VLAN0100 active
101 VLAN0101 active
102 VLAN0102 active
1002 fddi-default act/unsup
1003 token-ring-default act/unsup
1004 fddinet-default act/unsup
1005 trnet-default act/unsup

VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1 Trans2
---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------
1 enet 100001 1500 - - - - - 0 0
100 enet 100100 1500 - - - - - 0 0
101 enet 100101 1500 - - - - - 0 0
102 enet 100102 1500 - - - - - 0 0
1002 fddi 101002 1500 - - - - - 0 0

VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1 Trans2
---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------
1003 tr 101003 1500 - - - - - 0 0
1004 fdnet 101004 1500 - - - ieee - 0 0
1005 trnet 101005 1500 - - - ibm - 0 0

Remote SPAN VLANs
------------------------------------------------------------------------------

Primary Secondary Type Ports
------- --------- ----------------- ------------------------------------------
100 102 non-operational
        101 isolated

-----Original Message-----
From: David Murray (AU)
Sent: Saturday, 28 February 2009 10:04 AM
To: ccielab@groupstudy.com
Subject: Private VLANs

Hi Group,

Just a couple of quick questions (well quick if anyone knows the answer!!) I am just working on the private vlan section of the switching and bridging IE workbook.

What is the difference between

A. switchport private-vlan association host 100 102
and
B. switchport private-vlan host-association 100 102

I have a 3560 ((C3560-ADVIPSERVICESK9-M), Version 12.2(25)SEE2) connected to 2 identical 2811s ((C2800NM-ADVENTERPRISEK9-M), Version 12.4(3a)).

When I configure them both with (A) one works and one doesn't as per below...
switchport mode private-vlan host
switchport private-vlan association host 100 102

Logs:
SW3-3560#sh int fast 0/1
FastEthernet0/4 is up, line protocol is down (notconnect)

Name: Fa0/1
Switchport: Enabled
Administrative Mode: private-vlan host
Operational Mode: down
Administrative Trunking Encapsulation: negotiate
Negotiation of Trunking: Off
Access Mode VLAN: 1 (default)
Trunking Native Mode VLAN: 1 (default)
Administrative Native VLAN tagging: enabled
Voice VLAN: none
Administrative private-vlan host-association: 100 (VLAN0100) 101 (VLAN0101)
Administrative private-vlan mapping: none
Administrative private-vlan trunk native VLAN: none
Administrative private-vlan trunk Native VLAN tagging: enabled
Administrative private-vlan trunk encapsulation: dot1q
Administrative private-vlan trunk normal VLANs: none
Administrative private-vlan trunk private VLANs: none
Operational private-vlan: none
Trunking VLANs Enabled: ALL
Pruning VLANs Enabled: 2-1001
Capture Mode Disabled
Capture VLANs Allowed: ALL

Protected: false
Unknown unicast blocked: disabled
Unknown multicast blocked: disabled
Appliance trust: none
When I configure them both with (B) they both work!!!!!
switchport mode private-vlan host
switchport private-vlan host-association 100 102

FastEthernet0/2 is up, line protocol is up (connected)
Switchport: Enabled
Administrative Mode: private-vlan host
Operational Mode: private-vlan host
Administrative Trunking Encapsulation: negotiate
Operational Trunking Encapsulation: native
Negotiation of Trunking: Off
Access Mode VLAN: 1 (default)
Trunking Native Mode VLAN: 1 (default)
Administrative Native VLAN tagging: enabled
Voice VLAN: none
Administrative private-vlan host-association: 100 (VLAN0100) 101 (VLAN0101)
Administrative private-vlan mapping: none
Administrative private-vlan trunk native VLAN: none
Administrative private-vlan trunk Native VLAN tagging: enabled
Administrative private-vlan trunk encapsulation: dot1q
Administrative private-vlan trunk normal VLANs: none
Administrative private-vlan trunk private VLANs: none
Operational private-vlan:
  100 (VLAN0100) 101 (VLAN0101)
Trunking VLANs Enabled: ALL
Pruning VLANs Enabled: 2-1001
Capture Mode Disabled
Capture VLANs Allowed: ALL

Then to make matters worse (for me!!) I have a dot1q trunk connection from one 3560 to an identical 3560. Fast 0/4 is configured exactly as fast 0/1 in the above (I have tried scenario A & B) and still the interface stays in a non operational mode (3560 interface is up, line protocol is down (not connect)

I should mention that there is no other config on the ports of the 3560 and the 2811 ports simply have an ip address and are not shutdown.

Has anyone seen this before or recognise it as a bug? I had a very quick bug scrub, will have a more detailed look later, just thought I would throw it out and see what you guys think.

Thanks

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