From: Piotr (usaccie@gmail.com)
Date: Sun Nov 02 2008 - 23:32:48 ARST
I did not try that. But I will make a note and try that the next time I run
into this issue.
Thanks
On Sun, Nov 2, 2008 at 6:58 PM, Siddant -- <geekv@hotmail.com> wrote:
>
> Hey hobbs,
>
> I am running 12.4(10)a ony all the routers and I have an issue where a
> change of EIGRP config almost always requires me to do a clear the neighors
> before things work.
>
> I am sure you would have tried that . But just in case you didnt.
>
> Cheers
> Sidd--
>
>
> ------------------------------
> > Date: Sun, 2 Nov 2008 16:44:24 -0700
> > From: deadheadblues@gmail.com
> > To: usaccie@gmail.com
> > Subject: Re: I am getting a K-value mismatch & retry limit exceeded
> messages
> > CC: bob@bobsinclair.net; ccielab@groupstudy.com
> >
> > 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
> > >> >>
> > >> >>
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