Re: I am getting a K-value mismatch & retry limit exceeded

From: Piotr (usaccie@gmail.com)
Date: Sun Nov 02 2008 - 22:14:26 ARST


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@gmail.com> 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@gmail.com> 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@gmail.com>wrote:
>>
>>> Can you show us the configuration of the interfaces.
>>>
>>>
>>> On Sun, Nov 2, 2008 at 3:44 PM, Hobbs <deadheadblues@gmail.com> wrote:
>>>
>>>> What is the mask of each interface?
>>>>
>>>> On Sun, Nov 2, 2008 at 4:43 PM, Hobbs <deadheadblues@gmail.com> 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@gmail.com> 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@bobsinclair.net>
>>>> 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

Blogs and organic groups at http://www.ccie.net



This archive was generated by hypermail 2.1.4 : Mon Dec 01 2008 - 08:18:28 ARST