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Re: I am getting a K-value mismatch & retry limit exceeded messages posted 11/02/2008
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Are you sure that SW4 f0/18 is connected to SW1 f0/15...?There seems to be
another switch involved because SW1 is trunking on f0/15....show cdp
neighbor, something funny's going on

On Sun, Nov 2, 2008 at 5:33 PM, Piotr <usaccie@xxxxxxxxx> wrote:

> SW4 > R5 - layer 2 path
> sw4 f0/15 > sw1 f0/21 > r5 f0/0
>
>
>
>
> On Sun, Nov 2, 2008 at 7:20 PM, Hobbs <deadheadblues@xxxxxxxxx> wrote:
>
>> Let's focus on the basics.
>>
>> You said "From R5 I can not ping 183.1.105.10."
>>
>> SW1 as far as I can tell is not routing between SW4 and R5 so we do not
>> care about its routing table or whether it can ping any address. Sw4 and R5
>> should have a layer 2 path somewhere. What is that path?
>>
>> Solve this issue first.
>>
>>
>> On Sun, Nov 2, 2008 at 5:14 PM, Piotr <usaccie@xxxxxxxxx> wrote:
>>
>>> RSRack1SW1(config)#do sho int trunk
>>>
>>> Port        Mode         Encapsulation  Status        Native vlan
>>> Fa0/13      on           802.1q         trunking      46
>>> Fa0/15      on           802.1q         trunking      46
>>> Fa0/21      on           802.1q         trunking      1
>>>
>>> Port        Vlans allowed on trunk
>>> Fa0/13      1-4094
>>> Fa0/15      1-4094
>>> Fa0/21      1-4094
>>>
>>> Port        Vlans allowed and active in management domain
>>> Fa0/13      1,6,28,33,45-46,102,105,107
>>> Fa0/15      1,6,28,33,45-46,102,105,107
>>> Fa0/21      1,6,28,33,45-46,102,105,107
>>>
>>> Port        Vlans in spanning tree forwarding state and not pruned
>>> Fa0/13      1,6,28,33,45-46,102,105,107
>>> Fa0/15      1,6,28,33,45-46,102,105,107
>>> Fa0/21      1,6,28,33,45-46,102,105,107
>>> RSRack1SW1(config)#
>>>
>>>
>>>
>>> RSRack1SW4(config-if)#do sho int trunk
>>>
>>> Port        Mode         Encapsulation  Status        Native vlan
>>> Fa0/15      on           802.1q         trunking      1
>>> Fa0/19      on           802.1q         trunking      46
>>> Fa0/20      on           802.1q         trunking      46
>>>
>>> Port        Vlans allowed on trunk
>>> Fa0/15      1-4094
>>> Fa0/19      1-4094
>>> Fa0/20      1-4094
>>>
>>> Port        Vlans allowed and active in management domain
>>> Fa0/15      1,6,28,33,45-46,102,105,107
>>> Fa0/19      1,6,28,33,45-46,102,105,107
>>> Fa0/20      1,6,28,33,45-46,102,105,107
>>>
>>> Port        Vlans in spanning tree forwarding state and not pruned
>>> Fa0/15      1,6,28,33,45-46,102,105,107
>>> Fa0/19      1,6,28,33,45-46,102,105,107
>>> Fa0/20      1,6,28,33,45-46,102,105,107
>>> RSRack1SW4(config-if)#do sho cdp nei
>>> Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge
>>>                   S - Switch, H - Host, I - IGMP, r - Repeater, P - Phone
>>>
>>> Device ID            Local Intrfce         Holdtme   Capability
>>> Platform   Port ID
>>> RSRack1SW3          Fas 0/20              132            S I
>>> WS-C3550-2Fas 0/20
>>> RSRack1SW3          Fas 0/19              132            S I
>>> WS-C3550-2Fas 0/19
>>> RSRack1SW3          Fas 0/21              132            S I
>>> WS-C3550-2Fas 0/21
>>> RSRack1SW2          Fas 0/18              157           R S I
>>> WS-C3560-2Fas 0/21
>>> RSRack1SW1          Fas 0/15              158           R S I
>>> WS-C3560-2Fas 0/21
>>> RSRack1R4           Fas 0/4               165           R S I
>>> 2811      Fas 0/1
>>> RSRack1R6           Fas 0/6               165           R S I
>>> 2811      Fas 0/1
>>>
>>>
>>> RSRack1SW1(config)#do ping 183.1.105.10
>>>
>>> Type escape sequence to abort.
>>> Sending 5, 100-byte ICMP Echos to 183.1.105.10, timeout is 2 seconds:
>>> !!!!!
>>> Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/1 ms
>>> RSRack1SW1(config)#do ping 183.1.105.5
>>>
>>> Type escape sequence to abort.
>>> Sending 5, 100-byte ICMP Echos to 183.1.105.5, timeout is 2 seconds:
>>> .....
>>> Success rate is 0 percent (0/5)
>>>
>>>
>>>
>>>
>>>
>>> On Sun, Nov 2, 2008 at 7:09 PM, Piotr <usaccie@xxxxxxxxx> wrote:
>>>
>>>> R5 F0/0 has a physical connection to sw f0/5
>>>>
>>>> RSRack1R5(config-if)#do sri f0/0
>>>> Building configuration...
>>>>
>>>> Current configuration : 95 bytes
>>>> !
>>>> interface FastEthernet0/0
>>>>  ip address 183.1.105.5 255.255.255.0
>>>>   duplex full
>>>>  speed 100
>>>> end
>>>>
>>>>
>>>> RSRack1SW1(config)#do sri f0/5
>>>> Building configuration...
>>>>
>>>> Current configuration : 109 bytes
>>>> !
>>>> interface FastEthernet0/5
>>>>  switchport access vlan 105
>>>>  switchport mode access
>>>>  speed 100
>>>>  duplex full
>>>> end
>>>>
>>>> On the topology map R5 F0/0 connects to sw4 f0/18
>>>>
>>>> SRack1SW4(config-router)#  do sri f0/18
>>>> Building configuration...
>>>>
>>>> Current configuration : 88 bytes
>>>> !
>>>> interface FastEthernet0/18
>>>>  no switchport
>>>>  ip address 183.1.105.10 255.255.255.0
>>>> end
>>>>
>>>>
>>>>
>>>> On Sun, Nov 2, 2008 at 7:06 PM, Piotr <usaccie@xxxxxxxxx> wrote:
>>>>
>>>>> 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
>>>>>>> >> >>
>>>>>>> >> >>
>>>>>>> _______________________________________________________________________
>>>>>>> >> >> Subscription information may be found at:
>>>>>>> >> >> http://www.groupstudy.com/list/CCIELab.html
>>>>>>> >>
>>>>>>> >>
>>>>>>> >> Blogs and organic groups at http://www.ccie.net
>>>>>>> >>
>>>>>>> >>
>>>>>>> _______________________________________________________________________
>>>>>>> >> Subscription information may be found at:
>>>>>>> >> http://www.groupstudy.com/list/CCIELab.html
>>>>>>>
>>>>>>>
>>>>>>> Blogs and organic groups at http://www.ccie.net
>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________________________________
>>>>>>> Subscription information may be found at:
>>>>>>> http://www.groupstudy.com/list/CCIELab.html
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Narbik Kocharians
>>>>>> CCSI#30832, CCIE# 12410 (R&S, SP, Security)
>>>>>> www.MicronicsTraining
>>>>>> www.Net-Workbooks.com
>>>>>> Sr. Technical Instructor