There appears to be quite a few bugs with EIGRP in 12.2(4)T.
There is one that sounds similar to this but it's not exactly
the same thing. Still, you might want to try the workaround
just in case.
Try setting 'pulse-time 3' on your serial interfaces. In some
cases, with certain outboard gear, EIGRP has problems with
interfaces that use pulse-time 1 or 2 after a reload. I don't
know what the default pulse-time is, but it might be
enlightening to at least give this a shot.
If I were you, I wouldn't use 12.2(4)T unless you really have
to. Were you the one needing this image to get certain modules
to work? If so, upgrade as soon as you can. It appears that
12.2(8)T is out but I didn't see that it fixed any of the EIGRP
errors.
Good luck, and let us know if you find the answer!
John
On Sat, 2 Mar 2002, Khurrum Shahzad ([EMAIL PROTECTED])
wrote:
> Dear All
> I am facing a strange problem in 1751 routers.
> In a simple scenario in which two 1751 are connected with
over a channel
> with
> serial port and eigrp is used for routing.
>
> Router 1
> s 0/0 ip addr 192.168.10.1
> fe 0/0 ip addr 192.168.1.1
>
> Router 2
> s 0/0 ip addr 192.168.10.2
> fe 0/0 ip addr 192.168.2.1
>
> both router get the routes of remote LAN and any machine on
192.168.1.0
> (R1)
> network ping all machines on other 192.168.2.0 (R2) network.
> Configurtion on
> both routers have been saved.
>
> But the Promlem is that when any one of the router
reboot/power cycle
> then it
> do not send its routes to other router but gets the routes of
remote
> router
> and also it shows other router as eigrp neighbor.
> It means that when R1 reload/power cycle then after
comleting reload it
> shows
> routes of 192.168.2.0 but R2 remote router does not shows
route of
> 192.168.1.0. Eigrp configuration is present on both routers
and both
> routers
> shows other router as their eigrp neighbor. Both routers
shows Eigrp
> configuraton in sh run configuration
>
> To solve this problem, eigrp configuration has to be removed
from R1 and
> reconfigured then it becomes OK.
>
> no router eigrp 100
> router eigrp 100
> network 192.168.10.0
> network 192.168.1.0
>
>
>
> Is anybody knows about this problem? Is there any bug in IOS?
The router
> configuration is very simple and working perfectly on other
2500
> series
> routers.
>
>
>
>
>
>
> SHOW VERSION
>
> Cisco Internetwork Operating System Software
> IOS (tm) C1700 Software (C1700-Y-M), Version 12.2(4)T,
RELEASE SOFTWARE
> (fc1)
> TAC Support: http://www.cisco.com/tac
> Copyright (c) 1986-2001 by cisco Systems, Inc.
> Compiled Fri 28-Sep-01 02:10 by ccai
> Image text-base: 0x800080E0, data-base: 0x80738B80
>
> ROM: System Bootstrap, Version 12.2(1r)XE1, RELEASE SOFTWARE
(fc1)
>
> ZAM_RT uptime is 3 hours, 3 minutes
> System returned to ROM by power-on
> System image file is "flash:c1700-y-mz.122-4.T.bin"
>
> cisco 1751 (MPC860P) processor (revision 0x501) with
24576K/8192K bytes
> of
> memor
> y.
> Processor board ID JAD05470F8C (3805074441), with hardware
revision 4246
> M860 processor: part number 5, mask 2
> Bridging software.
> X.25 software, Version 3.0.0.
> 1 FastEthernet/IEEE 802.3 interface(s)
> 2 Serial(sync/async) network interface(s)
> 32K bytes of non-volatile configuration memory.
> 16384K bytes of processor board System flash (Read/Write)
>
> Configuration register is 0x2102
>
>
>
> W_R1#sh run
> Building configuration...
>
> Current configuration : 652 bytes
> !
> version 12.2
> service timestamps debug uptime
> service timestamps log uptime
> no service password-encryption
> !
> hostname W_R1
> !
> enable secret 5 $1$WXuj$iGaxxfubhqEi9uX5YzKKK1
> !
> memory-size iomem 25
> ip subnet-zero
> !
> !
> !
> !
> interface FastEthernet0/0
> ip address 192.168.1.1 255.255.255.0
> speed auto
> !
> interface Serial0/0
> ip address 192.168.10.1 255.255.255.0
> !
> interface Serial0/1
> no ip address
> shutdown
> !
> router eigrp 100
> network 192.168.1.0
> network 192.168.10.0
> auto-summary
> no eigrp log-neighbor-changes
> !
> ip classless
> no ip http server
> !
> !
> line con 0
> line aux 0
> line vty 0 4
> exec-timeout 0 0
> password cisco
> login
> !
> no scheduler allocate
> end
>
> W_R1#
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