From: Piotr (usaccie@gmail.com)
Date: Sun Nov 02 2008 - 22:09:11 ARST
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
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