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This Question is Not Answered 1 Correct Answer available (4 pts) 2 Helpful Answers available (2 pts)
1761 Views 3 Replies Latest reply: Dec 16, 2011 1:53 AM by Olugbenga Oyebande RSS

Currently Being Moderated

123

Dec 15, 2011 11:11 PM

Rashid Siddiqui, CCNP, CVOICE, ITIL
Rashid Siddiqui, CCNP, CVOICE, ITIL
23 posts since
Feb 24, 2010

123

Tags: drop, private, vlan, community, ping, 7609
  • jchan
    jchan
    66 posts since
    May 8, 2009
    Currently Being Moderated
    1. Dec 15, 2011 7:52 AM (in response to Rashid Siddiqui, CCNP, CVOICE, ITIL)
    Re: Ping Drops in Private Community VLAN

    It seems your piing dropped is very consistent, it drops in between every 11 or 12 pings.  Did you enable any vlan filtering (VACL, storm-control, srr queue, policying) on vlan 253?

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  • ashu031
    ashu031
    5 posts since
    Jun 5, 2009
    Currently Being Moderated
    2. Dec 15, 2011 11:16 AM (in response to Rashid Siddiqui, CCNP, CVOICE, ITIL)
    Re: Ping Drops in Private Community VLAN

    hi

     

    can u provide all the  relevent configuration ? did u try with 1000 byte size  ping  and any QoS configuration u did on the switch?

    it must not be the problem of private VLAN. there must be some other problem you  have to work out.

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  • Olugbenga Oyebande
    Olugbenga Oyebande
    7 posts since
    Jul 16, 2008
    Currently Being Moderated
    3. Dec 16, 2011 1:53 AM (in response to Rashid Siddiqui, CCNP, CVOICE, ITIL)
    Re: 123

    ping that 172.22.188.26 ip that drops packets and do this command before making any changes. Maybe we can see some interesting info.

     

    sh mls qos int GigabitEthernet2/30 stat

     

     

     

    Rashid Siddiqui, CCNP, CVOICE, ITIL wrote:

     

    interface GigabitEthernet2/30

    description Imperva-M150-app switchport

    switchport private-vlan host-association 250 253

    switchport mode private-vlan host

    mls qos vlan-based

    end

     

    Now if i will change the port configuration from private vlan association from 253 to 252 ping will become OK.

     

     

     

    I can see that you have narrowed down the problem to private-vlan 253. Can you try to change the private-vlan numbering from 253 to 203 or something other than 253. Also create the new vlan and do the necessary associations. Let's see of this makes a difference

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