[cisco-voip] Power over Ethernet

Jonathan Charles jonvoip at gmail.com
Mon Jan 21 14:46:12 EST 2008


CDP is enabled by default, so unless you did a no cdp enable, you
should have been fine...



Jonathan

On Jan 21, 2008 1:27 PM, Kevin Dunn <cheesevoice at gmail.com> wrote:
> The fix was to enable CDP so the router could see the phones
>
> The Power supply and power card both worked great.
> the phone is registering now
>
>
>
>
>
>
> On 1/21/08, Kevin Dunn <cheesevoice at gmail.com> wrote:
> >
> > power supply is good,
> >
> > I have working phone now, I enabled CDP on all Interfaces and set speed
> and duplex to auto and it came right up and is registering now.
> >
> > Thank you all so much for the help.
> >
> > Kevin
> >
> >
> >
> > On 1/21/08, Jason Aarons (US) < jason.aarons at us.didata.com> wrote:
> > >
> > >
> > >
> > >
> > >
> > > I usually look at the part number of the power supply, has to be
> PWR-XXXX-AC-IP;
> > >
> > >
> > >
> > >
> http://www.cisco.com/en/US/prod/collateral/routers/ps5853/product_data_sheet0900aecd8016bf0b.html
> > >
> > >
> > >
> > >
> > >
> > > Not sure how to check via IOS;
> > >
> > >
> > >
> > > Router-2811#show power inline
> > >
> > > PowerSupply   SlotNum.   Maximum   Allocated       Status
> > >
> > > -----------   --------   -------   ---------       ------
> > >
> > > INT-PS           0       160.000    31.500         PS GOOD
> > >
> > > Interface   Config   Device    Powered    PowerAllocated
> > >
> > > ---------   ------   ------    -------    --------------
> > >
> > > Fa0/1/0     auto     Unknown  Off        0.000 Watts
> > >
> > > Fa0/1/1     auto     Cisco    On         6.300 Watts
> > >
> > > Fa0/1/2     auto     Unknown  Off        0.000 Watts
> > >
> > > Fa0/1/3     auto     Cisco    On         6.300 Watts
> > >
> > > Fa0/1/4     auto     Cisco    On         6.300 Watts
> > >
> > > Fa0/1/5     auto     Unknown  Off        0.000 Watts
> > >
> > > Fa0/1/6     auto     Cisco    On         6.300 Watts
> > >
> > >
> > >
> > >
> > >
> > > Show run
> > >
> > > interface FastEthernet0/0
> > >
> > >  description Unused
> > >
> > >  no ip address
> > >
> > >  shutdown
> > >
> > >  duplex auto
> > >
> > >  speed auto
> > >
> > > !
> > >
> > > interface FastEthernet0/1
> > >
> > >  description Unused
> > >
> > >  no ip address
> > >
> > >  shutdown
> > >
> > >  duplex auto
> > >
> > >  speed auto
> > >
> > > !
> > >
> > > interface FastEthernet0/1/0
> > >
> > >  switchport mode trunk
> > >
> > >  spanning-tree portfast
> > >
> > > !
> > >
> > > interface FastEthernet0/1/1
> > >
> > >  switchport mode trunk
> > >
> > >  spanning-tree portfast
> > >
> > > !
> > >
> > > interface FastEthernet0/1/2
> > >
> > >  switchport mode trunk
> > >
> > >  spanning-tree portfast
> > >
> > > !
> > >
> > > interface FastEthernet0/1/3
> > >
> > >  switchport mode trunk
> > >
> > >  spanning-tree portfast
> > >
> > > !
> > >
> > > interface FastEthernet0/1/4
> > >
> > >  switchport mode trunk
> > >
> > >  spanning-tree portfast
> > >
> > > !
> > >
> > > interface FastEthernet0/1/5
> > >
> > >  switchport mode trunk
> > >
> > >  switchport voice vlan 31
> > >
> > >  spanning-tree portfast
> > >
> > > !
> > >
> > > interface FastEthernet0/1/6
> > >
> > >  switchport mode trunk
> > >
> > >  switchport voice vlan 31
> > >
> > >  spanning-tree portfast
> > >
> > > !
> > >
> > > interface FastEthernet0/1/7
> > >
> > >  switchport mode trunk
> > >
> > >  switchport voice vlan 31
> > >
> > >  spanning-tree portfast
> > >
> > > !
> > >
> > > interface FastEthernet0/1/8
> > >
> > >  switchport mode trunk
> > >
> > >  switchport voice vlan 31
> > >
> > >  spanning-tree portfast
> > >
> > > !
> > >
> > >
> > >
> > >
> > > From: Kevin Dunn [mailto:cheesevoice at gmail.com ]
> > > Sent: Monday, January 21, 2008 10:31 AM
> > > To: Jason Aarons (US)
> > > Subject: Re: [cisco-voip] Power over Ethernet
> > >
> > >
> > >
> > >
> > >
> > > How do I check the AC power supply?
> > >
> > >
> > >
> > >
> > >
> > > Cabling was checked and passed on.  I used the cable in the phone box
> (7961) also I plugged a spare 3750 into the network and all the phones
> registered and worked as I should.  I just don't want to waste a 3750 on a
> site that already has a ESW in the router.
> > >
> > >
> > >
> > >
> > >
> > > thanks for the rapid reply
> > >
> > >
> > >
> > >
> > >
> > > Kevin
> > >
> > >
> > >
> > >
> > > On 1/21/08, Jason Aarons (US) <jason.aarons at us.didata.com> wrote:
> > >
> > >
> > >
> > > Does the router have the correct AC power supply for the NM-16ESW?
> > >
> > >
> > >
> > > Did the wiring pass a certification test?
> > >
> > >
> > >
> > > A fluke meter would show if voltage is being applied by NM-16ESW, etc.
> > >
> > >
> > >
> > >
> > > From: cisco-voip-bounces at puck.nether.net
> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Kevin Dunn
> > > Sent: Monday, January 21, 2008 10:22 AM
> > > To: Cisco Voice
> > > Subject: [cisco-voip] Power over Ethernet
> > >
> > >
> > >
> > >
> > >
> > > Okay so this is a newbie question, but I can't seem to find the answer.
> > >
> > >
> > >
> > >
> > >
> > >
> > > I have an MGCP Gateway on a 2811
> > >
> > >
> > > this is a small 5 person office so they have an Ethernet module on the
> router. (NM-16ESW) with a power card (PPWR-DCARD-16ESW).
> > >
> > >
> > >
> > >
> > >
> > > This weekend I tried to cut over the site and I can't get power to the
> phones.
> > >
> > >
> > >
> > >
> > >
> > > the Config looks like this:
> > >
> > >
> > >
> > >
> > >
> > > Interface FastEthernet1/1
> > >
> > >
> > > decription Sue's Phone and PC
> > >
> > >
> > > switchport access Vlan 4
> > >
> > >
> > > switchport voice vlan 3
> > >
> > >
> > > duplex full
> > >
> > >
> > > speed 100
> > >
> > >
> > > power inline auto
> > >
> > >
> > > mls qos cos override
> > >
> > >
> > > spanning-tree portfast
> > >
> > >
> > >
> > >
> > >
> > > according to the router my options are power inline (auto, never).  Do I
> need cdp enabled on the port to detect the phone?  How do I get power to the
> phones?
> > >
> > >
> > >
> > >
> > >
> > > Much appreciated
> > >
> > >
> > >
> > >
> > >
> > > Kevin Dunn
> > >
> > > ________________________________
>
> > >
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> > >
> > >
> > >
> > >
> > >
> > > ________________________________
>
> > >
> > >
> > >
> > > Disclaimer: This e-mail communication and any attachments may contain
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> > >
> > >
> > > _______________________________________________
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> > >
> >
> >
>
>
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