02-03-2009 02:02 AM - edited 03-04-2019 01:05 AM
Hello,
I have a problem with a 2851 router connected to Microwave device. Line protocol goes up and down continuously on all interfaces. Microwave has 4 Ethernet connections plugged on a NM-16ESW of the router such as:
Fa1/1 on NM-16ESW <-> Ethernet1 of microwave
Fa1/2 on NM-16ESW <-> Ethernet2 of microwave
Fa1/3 on NM-16ESW <-> Ethernet3 of microwave
Fa1/4 on NM-16ESW <-> Ethernet4 of microwave
We have made Factory Acceptance Test before deployment where all was working well.
We tried all combination of speed (100M or Auto) and Duplex (Full or Auto) but problem still occurred.
We found a workaround (but non sustainable) by inserting a switch (3560) between Microwave and router: One link between router and switch, and the 4 Ethernet connection of Microwave on the switch.
The same problem occurred on a 2821.
Thank you for your assistance!
Best regards
Florian
Solved! Go to Solution.
02-03-2009 06:35 AM
do you have PoE on these module ?
try to desactivate the poe with power inline never command
Olivier
02-03-2009 02:34 AM
Try disabling keepalives under vlan 100.
02-03-2009 02:56 AM
Please find below the configuration of Vlan100 :
interface Vlan100
ip address 10.52.38.252 255.255.255.192
standby 100 ip 10.52.38.254
standby 100 priority 110
standby 100 preempt
02-03-2009 03:17 AM
You would then add "no keeepalives" under it.
02-03-2009 05:32 AM
I could not add the command "no keepalive" under interface vlan 100. So I type the command for the 4 interfaces :
interface FastEthernet1/1
description *** Sectorielle 1 ***
switchport access vlan 100
duplex full
speed 100
no keepalive
spanning-tree portfast
!
interface FastEthernet1/2
description *** Sectorielle 2 ***
switchport access vlan 100
duplex full
speed 100
no keepalive
spanning-tree portfast
!
interface FastEthernet1/3
description *** Sectorielle 3 ***
switchport access vlan 100
duplex full
speed 100
no keepalive
spanning-tree portfast
!
interface FastEthernet1/4
description *** Sectorielle 4 ***
switchport access vlan 100
duplex full
speed 100
no keepalive
spanning-tree portfast
We made another test by plugin only port Fa1/3 but the problem is still there :
Ro-vlau-gir-1#ter mon
*Feb 3 13:25:59.852: %LINK-3-UPDOWN: Interface FastEthernet1/3, changed state to up
*Feb 3 13:26:00.852: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/3, changed state to up
Ro-vlau-gir-1#
*Feb 3 13:26:12.064: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/3, changed state to down
Ro-vlau-gir-1#
*Feb 3 13:26:13.068: %LINK-3-UPDOWN: Interface FastEthernet1/3, changed state to up
*Feb 3 13:26:14.068: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/3, changed state to up
Ro-vlau-gir-1#
*Feb 3 13:26:18.636: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/3, changed state to down
*Feb 3 13:26:19.648: %LINK-3-UPDOWN: Interface FastEthernet1/3, changed state to up
Ro-vlau-gir-1#
*Feb 3 13:26:20.648: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/3, changed state to up
Ro-vlau-gir-1#
*Feb 3 13:26:23.336: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/3, changed state to down
Ro-vlau-gir-1#
*Feb 3 13:26:24.340: %LINK-3-UPDOWN: Interface FastEthernet1/3, changed state to up
*Feb 3 13:26:25.340: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/3, changed state to up
Ro-vlau-gir-1#
*Feb 3 13:26:29.820: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/3, changed state to down
Ro-vlau-gir-1#
*Feb 3 13:26:30.840: %LINK-3-UPDOWN: Interface FastEthernet1/3, changed state to up
*Feb 3 13:26:31.840: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/3, changed state to up
Ro-vlau-gir-1#
*Feb 3 13:26:34.608: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/3, changed state to down
Ro-vlau-gir-1#
*Feb 3 13:26:35.616: %LINK-3-UPDOWN: Interface FastEthernet1/3, changed state to up
*Feb 3 13:26:36.616: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/3, changed state to up
Ro-vlau-gir-1#
*Feb 3 13:26:40.908: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/3, changed state to down
Ro-vlau-gir-1#
Ro-vlau-gir-1#
*Feb 3 13:26:41.916: %LINK-3-UPDOWN: Interface FastEthernet1/3, changed state to up
*Feb 3 13:26:42.916: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/3, changed state to up
Ro-vlau-gir-1#
*Feb 3 13:26:45.884: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/3, changed state to down
And so on.
02-03-2009 05:37 AM
Sorry, I wouldn't know what to suggest. Seems a sort of incompatibility, but not sure of which kind exactly.
02-03-2009 05:39 AM
try to implement :
switchport mode access
02-03-2009 06:35 AM
do you have PoE on these module ?
try to desactivate the poe with power inline never command
Olivier
02-03-2009 06:47 AM
I don't think PoE is available in the NM-16ESW. For PoE that's NM-16ESW-PWR card.
Here is the output of "show inventory" command :
NAME: "16 Port 10BaseT/100BaseTX EtherSwitch", DESCR: "16 Port 10BaseT/100BaseTX EtherSwitch"
PID: NM-16ESW , VID: V01 , SN: FOC122349FD
But I will try the "power inline never" command.
02-03-2009 06:52 AM
Ok, but I see that (check the last ref) :
Ro-vlau-gir-1#sh inv
NAME: "2851 chassis", DESCR: "2851 chassis"
PID: CISCO2851 , VID: V04 , SN: FHK1225F5DU
NAME: "VWIC2-2MFT-T1/E1 - 2-Port RJ-48 Multiflex Trunk - T1/E1", DESCR: "VWIC2-2
MFT-T1/E1 - 2-Port RJ-48 Multiflex Trunk - T1/E1"
PID: VWIC2-2MFT-T1/E1 , VID: V01 , SN: FOC1223617Y
NAME: "PVDMII DSP SIMM with four DSPs", DESCR: "PVDMII DSP SIMM with four DSPs"
PID: PVDM2-64 , VID: V01 , SN: FOC12244ZCP
NAME: "PVDMII DSP SIMM with four DSPs", DESCR: "PVDMII DSP SIMM with four DSPs"
PID: PVDM2-64 , VID: V01 , SN: FOC1224505N
NAME: "16 Port 10BaseT/100BaseTX EtherSwitch", DESCR: "16 Port 10BaseT/100BaseTX
EtherSwitch"
PID: NM-16ESW , VID: V01 , SN: FOC122349FD
NAME: "Power daughter card for 16 port EtherSwitch NM", DESCR: "Power daughter c
ard for 16 port EtherSwitch NM"
PID: PPWR-DCARD-16ESW , VID: V01 , SN: FOC121924RQ
Ro-vlau-gir-1#
02-03-2009 07:03 AM
Where do you see that? OP never posted complete output of "show inventory".
Also, PoE requires the PoE PS, that is only seen with "show environment".
02-03-2009 07:20 AM
please find below the "show environment" result :
Ro-vlau-gir-1#sh environment
Main Power Supply is AC with -48V
-48V supply status: OK
-48V relay status: NON-ISOLATED
Fan 1 OK
Fan 2 OK
Fan 3 OK
System Temperature: 25 Celsius (normal)
Environmental information last updated 00:00:02 ago
02-03-2009 07:24 AM
So you have a full PoE router and the "power inline newer" recommendation does make sense.
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