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Re: I am getting a K-value mismatch & retry limit exceeded messages posted 11/02/2008
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RSRack1SW1(config-if)#do sho ip route 183.1.105.5
Routing entry for 183.1.105.0/24
  Known via "eigrp 100", distance 90, metric 30720, type internal
  Redistributing via eigrp 100
  Last update from 183.1.107.10 on FastEthernet0/14, 00:20:27 ago
  Routing Descriptor Blocks:
  * 183.1.107.10, from 183.1.107.10, 00:20:27 ago, via FastEthernet0/14
      Route metric is 30720, traffic share count is 1
      Total delay is 200 microseconds, minimum bandwidth is 100000 Kbit
      Reliability 255/255, minimum MTU 1500 bytes
      Loading 1/255, Hops 1

RSRack1SW1(config-if)#do sho ip route 183.1.105.10
Routing entry for 183.1.105.0/24
  Known via "eigrp 100", distance 90, metric 30720, type internal
  Redistributing via eigrp 100
  Last update from 183.1.107.10 on FastEthernet0/14, 00:20:31 ago
  Routing Descriptor Blocks:
  * 183.1.107.10, from 183.1.107.10, 00:20:31 ago, via FastEthernet0/14
      Route metric is 30720, traffic share count is 1
      Total delay is 200 microseconds, minimum bandwidth is 100000 Kbit
      Reliability 255/255, minimum MTU 1500 bytes
      Loading 1/255, Hops 1

On Sun, Nov 2, 2008 at 6:56 PM, Narbik Kocharians <narbikk@xxxxxxxxx> wrote:

> Can you show us the configuration of the interfaces.
>
>
> On Sun, Nov 2, 2008 at 3:44 PM, Hobbs <deadheadblues@xxxxxxxxx> wrote:
>
>> What is the mask of each interface?
>>
>> On Sun, Nov 2, 2008 at 4:43 PM, Hobbs <deadheadblues@xxxxxxxxx> wrote:
>>
>> > When does it happen? After you change a parameter? I think I have seen
>> the
>> > issue that Bob talked about with the goodbye message causing a K-value
>> > mismatch....It looks like you are getting the K-value mismatch, then
>> your
>> > adjacency is forming. This means your adjacency was brought down for
>> some
>> > reason - maybe you configured a summary or secondary address...
>> >
>> > Example: I had an initial config with a mistake (on purpose). One router
>> on
>> > a LAN with /24 and the other with /20 mask. After I configured the /20
>> for a
>> > /24, EIGRP sent a goodbye and the other router complained about a
>> K-value
>> > mismatch. The adjacency then came up fine.
>> >
>> > I wonder if its a code issue...I am always running 12.4...
>> >
>> > On Sun, Nov 2, 2008 at 4:22 PM, Piotr <usaccie@xxxxxxxxx> wrote:
>> >
>> >> On the routers I left the MTU at default,m 1500. On the switches
>> >> (3550/3560)
>> >> I set the system MTU to 1500 (system MTU 1500 or system MTU routing
>> 1500.
>> >> Where allowed on the interface I set ip mtu 1500).
>> >>
>> >> Debugs don't show me anything. I was looking to shut the messages off
>> with
>> >> a
>> >> command similar to ip ospf mtu-ignore but I don't see one under the
>> >> interface.
>> >>
>> >> I can try and set the metric for all devices in the AS and see what
>> >> happens.
>> >>
>> >>
>> >> On Sun, Nov 2, 2008 at 3:02 PM, Bob Sinclair <bob@xxxxxxxxxxxxxxx>
>> wrote:
>> >>
>> >> > Piotr,
>> >> >
>> >> > Check that the MTUs match on both devices.  I notice one is a switch.
>> >> >  Though the specs do  not require equal MTU (like OSPF does) Cisco
>> >> routers
>> >> > have been known to drop EIGRP packets over MTU mismatch issues.
>> >> > The K-value mismatch error can be caused when the near side router
>> does
>> >> not
>> >> > support the "goodbye" message, added around 12.2(3), but the far side
>> >> does.
>> >> >
>> >> > HTH,
>> >> >
>> >> > Bob Sinclair  CCIE 10427  CCSI 30427
>> >> > www.netmasterclass.net
>> >> >
>> >> > Piotr wrote:
>> >> >
>> >> >> Switch:
>> >> >>
>> >> >> 05:04:04: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor
>> >> >> 183.1.105.5(FastEthernet0/18) is up: new adjacency
>> >> >>  --More--
>> >> >> 05:05:23: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor
>> >> >> 183.1.105.5(FastEthernet0/18) is down: K-value mismatch
>> >> >>  --More--
>> >> >> 05:05:26: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor
>> >> >> 183.1.105.5(FastEthernet0/18) is up: new adjacency
>> >> >>
>> >> >> router eigrp 100
>> >> >>  network 183.1.105.10 0.0.0.0
>> >> >>  network 183.1.107.10 0.0.0.0
>> >> >>  no auto-summary
>> >> >>  eigrp router-id 150.1.10.10
>> >> >>
>> >> >> interface FastEthernet0/18
>> >> >>  no switchport
>> >> >>  ip address 183.1.105.10 255.255.255.0
>> >> >>
>> >> >>
>> >> >> Routing Protocol is "eigrp 100"
>> >> >>  Outgoing update filter list for all interfaces is not set
>> >> >>  Incoming update filter list for all interfaces is not set
>> >> >>  Default networks flagged in outgoing updates
>> >> >>  Default networks accepted from incoming updates
>> >> >>  EIGRP metric weight K1=1, K2=0, K3=1, K4=0, K5=0
>> >> >>  EIGRP maximum hopcount 100
>> >> >>  EIGRP maximum metric variance 1
>> >> >>  Redistributing: eigrp 100
>> >> >>  EIGRP NSF-aware route hold timer is 240s
>> >> >>  Automatic network summarization is not in effect
>> >> >>  Maximum path: 4
>> >> >>  Routing for Networks:
>> >> >>    183.1.105.10/32
>> >> >>    183.1.107.10/32
>> >> >>  Routing Information Sources:
>> >> >>    Gateway         Distance      Last Update
>> >> >>    183.1.107.7           90      00:07:43
>> >> >>  Distance: internal 90 external 170
>> >> >>
>> >> >>
>> >> >>
>> >> >>
>> >> >> router:
>> >> >> *Nov  2 13:55:54.926: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor
>> >> >> 183.1.105.10 (FastEthernet0/0) is down: retry limit exceeded
>> >> >> RSRack1R5(config-router)#
>> >> >> *Nov  2 13:55:57.322: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor
>> >> >> 183.1.105.10 (FastEthernet0/0) is up: new adjacency
>> >> >> RSRack1R5(config-router)#
>> >> >> *Nov  2 13:57:16.834: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor
>> >> >> 183.1.105.10 (FastEthernet0/0) is down: retry limit exceeded
>> >> >> RSRack1R5(config-router)#
>> >> >> *Nov  2 13:57:20.290: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor
>> >> >> 183.1.105.10 (FastEthernet0/0) is up: new adjacency
>> >> >>
>> >> >>
>> >> >> router eigrp 100
>> >> >>  network 183.1.105.5 0.0.0.0
>> >> >>  no auto-summary
>> >> >>  eigrp router-id 150.1.5.5
>> >> >>
>> >> >>
>> >> >> interface FastEthernet0/0
>> >> >>  ip address 183.1.105.5 255.255.255.0
>> >> >>  duplex auto
>> >> >>  speed auto
>> >> >>
>> >> >>
>> >> >> Routing Protocol is "eigrp 100"
>> >> >>  Outgoing update filter list for all interfaces is not set
>> >> >>  Incoming update filter list for all interfaces is not set
>> >> >>  Default networks flagged in outgoing updates
>> >> >>  Default networks accepted from incoming updates
>> >> >>  EIGRP metric weight K1=1, K2=0, K3=1, K4=0, K5=0
>> >> >>  EIGRP maximum hopcount 100
>> >> >>  EIGRP maximum metric variance 1
>> >> >>  Redistributing: eigrp 100
>> >> >>  EIGRP NSF-aware route hold timer is 240s
>> >> >>  Automatic network summarization is not in effect
>> >> >>  Maximum path: 4
>> >> >>  Routing for Networks:
>> >> >>    183.1.105.5/32
>> >> >>  Routing Information Sources:
>> >> >>    Gateway         Distance      Last Update
>> >> >>    183.1.105.10          90      00:09:49
>> >> >>  Distance: internal 90 external 170
>> >> >>
>> >> >>
>> >> >> Blogs and organic groups at http://www.ccie.net
>> >> >>
>> >> >>
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>
>
> --
> Narbik Kocharians
> CCSI#30832, CCIE# 12410 (R&S, SP, Security)
> www.MicronicsTraining
> www.Net-Workbooks.com
> Sr. Technical Instructor