From: Piotr (usaccie@gmail.com)
Date: Sun Nov 02 2008 - 23:30:39 ARST
I removed routing and checked my trunks. Everything looks ok.
On sw1 f0/5 I added 183.1.105.55/24 and I could ping that from R5.
I ran out of rack time......
Thanks everyone.
On Sun, Nov 2, 2008 at 7:47 PM, Hobbs <deadheadblues@gmail.com> wrote:
> As a side note you should have verified that R5 and SW4 could ping each
> other before moving on to routing. I learn the hard way too :)
>
>
> On Sun, Nov 2, 2008 at 5:45 PM, Hobbs <deadheadblues@gmail.com> wrote:
>
>> 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@gmail.com> 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@gmail.com> 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@gmail.com> 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@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
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