09-07-2018 06:42 AM - edited 03-03-2019 08:53 AM
I have configured 2 switches 3850 with port channel, if I enable UDLD port channel fails, it never established the connection. Even I bounce the port.
Ports will go to "erro-disable" state.
001036: *Sep 7 12:47:01.724 CET: %LINEPROTO-5-UPDOWN: Line protocol on Interface TenGigabitEthernet1/1/1, changed state to down
001037: *Sep 7 12:47:01.732 CET: %LINEPROTO-5-UPDOWN: Line protocol on Interface TenGigabitEthernet1/1/2, changed state to down
001038: *Sep 7 12:47:01.738 CET: %LINEPROTO-5-UPDOWN: Line protocol on Interface Port-channel1, changed state to down
001039: *Sep 7 12:47:02.731 CET: %LINK-3-UPDOWN: Interface TenGigabitEthernet1/1/1, changed state to down
During my investigation I found :
CSCva24225 - UDLD neighbor Failed to become bi-directional - 1
is there any solution on this ?
I am using IOS:
Switch Ports Model SW Version SW Image Mode
------ ----- ----- ---------- ---------- ----
* 1 16 WS-C3850-12XS 16.3.6 CAT3K_CAA-UNIVERSALK9 BUNDLE
09-12-2018 12:03 AM
@Ashwin Jingade wrote:
configured as a portchannel and Fiber cables are connected
That's not my question. I want to know what is at the other end of the two links?
09-12-2018 12:06 AM
sw 1. TE1/1/1 & TE1/1/2 port channels
09-12-2018 12:08 AM
@Ashwin Jingade wrote:
sw 1. TE1/1/1 & TE1/1/2 port channels
Last try!
One end is the 3850. What is at the other end?
09-12-2018 12:13 AM
There are 2 3850 switch connected
is configured as a port channel between Te1/1/1 to Te1/1/2
SW1 I don't get any error logs
SW2 if its I enable UDLD in global mode it get err-disabled message, as per your last recommendation I disabled UDLD AGGRESSIVE in this switch still I get err-disable and port channel went down.
Hence I have disabled UDLD in global mode not without any issue its working.
09-12-2018 12:27 AM - edited 09-12-2018 12:28 AM
Did you remove UDLD aggressive from BOTH switches or one?
You've provided the output to the command "sh interface <PORT> contr" from one switch. Can I see the output from the other switch?
09-12-2018 12:44 AM
I have disabled UDLD aggressive on both switch and enabled global mode UDLD but issue remain same,
here are the out puts:
SW 1
x-xx-xx-011#sh int t1/1/1 status
Port Name Status Vlan Duplex Speed Type
Te1/1/1 R-UK-CH-021 notconnect 1 full 1000 1000BaseSX SFP
x-xx-xx-011#sh int t1/1/2 status
Port Name Status Vlan Duplex Speed Type
Te1/1/2 R-UK-CH-021 notconnect 1 full 1000 1000BaseSX SFP
x-xx-xx-011#sh run | i udld
udld enable
errdisable recovery cause udld
sh run int po1
Building configuration...
Current configuration : 126 bytes
!
interface Port-channel1
description
switchport trunk native vlan 195
switchport mode trunk
x-xx-xx-011#sh int te1/1/1 controller
TenGigabitEthernet1/1/1 is down, line protocol is down (notconnect)
Hardware is Ten Gigabit Ethernet, address is cc98.91f1.7a0d (bia cc98.91f1.7a0d)
Description: R-UK-CH-021
MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive not set
Full-duplex, 1000Mb/s, link type is auto, media type is 1000BaseSX SFP
input flow-control is off, output flow-control is unsupported
ARP type: ARPA, ARP Timeout 04:00:00
Last input never, output 00:03:26, output hang never
Last clearing of "show interface" counters never
Input queue: 0/2000/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
16447 packets input, 2519894 bytes, 0 no buffer
Received 9333 broadcasts (9257 multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 9257 multicast, 0 pause input
0 input packets with dribble condition detected
19631 packets output, 3274160 bytes, 0 underruns
0 output errors, 0 collisions, 2 interface resets
0 unknown protocol drops
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier, 0 pause output
0 output buffer failures, 0 output buffers swapped out
Transmit TenGigabitEthernet1/1/1 Receive
3274160 Total bytes 2519894 Total bytes
5 Unicast frames 7114 Unicast frames
320 Unicast bytes 455296 Unicast bytes
19559 Multicast frames 9257 Multicast frames
3269304 Multicast bytes 2059450 Multicast bytes
67 Broadcast frames 76 Broadcast frames
4536 Broadcast bytes 5148 Broadcast bytes
0 System FCS error frames 0 IpgViolation frames
0 MacUnderrun frames 0 MacOverrun frames
0 Pause frames 0 Pause frames
0 Cos 0 Pause frames 0 Cos 0 Pause frames
0 Cos 1 Pause frames 0 Cos 1 Pause frames
0 Cos 2 Pause frames 0 Cos 2 Pause frames
0 Cos 3 Pause frames 0 Cos 3 Pause frames
0 Cos 4 Pause frames 0 Cos 4 Pause frames
0 Cos 5 Pause frames 0 Cos 5 Pause frames
0 Cos 6 Pause frames 0 Cos 6 Pause frames
0 Cos 7 Pause frames 0 Cos 7 Pause frames
0 Oam frames 0 OamProcessed frames
0 Oam frames 0 OamDropped frames
2406 Minimum size frames 9525 Minimum size frames
13508 65 to 127 byte frames 3186 65 to 127 byte frames
0 128 to 255 byte frames 20 128 to 255 byte frames
3715 256 to 511 byte frames 3714 256 to 511 byte frames
2 512 to 1023 byte frames 2 512 to 1023 byte frames
0 1024 to 1518 byte frames 0 1024 to 1518 byte frames
0 1519 to 2047 byte frames 0 1519 to 2047 byte frames
0 2048 to 4095 byte frames 0 2048 to 4095 byte frames
0 4096 to 8191 byte frames 0 4096 to 8191 byte frames
0 8192 to 16383 byte frames 0 8192 to 16383 byte frames
0 16384 to 32767 byte frame 0 16384 to 32767 byte frame
0 > 32768 byte frames 0 > 32768 byte frames
0 Late collision frames 0 SymbolErr frames
0 Excess Defer frames 0 Collision fragments
0 Good (1 coll) frames 0 ValidUnderSize frames
0 Good (>1 coll) frames 0 InvalidOverSize frames
0 Deferred frames 0 ValidOverSize frames
0 Gold frames dropped 0 FcsErr frames
0 Gold frames truncated
0 Gold frames successful
0 1 collision frames
0 2 collision frames
0 3 collision frames
0 4 collision frames
0 5 collision frames
0 6 collision frames
0 7 collision frames
0 8 collision frames
0 9 collision frames
0 10 collision frames
0 11 collision frames
0 12 collision frames
0 13 collision frames
0 14 collision frames
0 15 collision frames
0 Excess collision frames
LAST UPDATE 1496 msecs AGO
x-xx-xx-011#sh int te1/1/2 controller
TenGigabitEthernet1/1/2 is down, line protocol is down (notconnect)
Hardware is Ten Gigabit Ethernet, address is cc98.91f1.7a0e (bia cc98.91f1.7a0e)
Description: R-UK-CH-021
MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive not set
Full-duplex, 1000Mb/s, link type is auto, media type is 1000BaseSX SFP
input flow-control is off, output flow-control is unsupported
ARP type: ARPA, ARP Timeout 04:00:00
Last input never, output 00:03:33, output hang never
Last clearing of "show interface" counters never
Input queue: 0/2000/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
656869 packets input, 47311609 bytes, 0 no buffer
Received 649738 broadcasts (649718 multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 649718 multicast, 0 pause input
0 input packets with dribble condition detected
1181112 packets output, 85920732 bytes, 0 underruns
0 output errors, 0 collisions, 2 interface resets
0 unknown protocol drops
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier, 0 pause output
0 output buffer failures, 0 output buffers swapped out
Transmit TenGigabitEthernet1/1/2 Receive
85920732 Total bytes 47311609 Total bytes
135 Unicast frames 7131 Unicast frames
17024 Unicast bytes 456764 Unicast bytes
1180873 Multicast frames 649718 Multicast frames
85896652 Multicast bytes 46853489 Multicast bytes
104 Broadcast frames 20 Broadcast frames
7056 Broadcast bytes 1356 Broadcast bytes
0 System FCS error frames 0 IpgViolation frames
0 MacUnderrun frames 0 MacOverrun frames
0 Pause frames 0 Pause frames
0 Cos 0 Pause frames 0 Cos 0 Pause frames
0 Cos 1 Pause frames 0 Cos 1 Pause frames
0 Cos 2 Pause frames 0 Cos 2 Pause frames
0 Cos 3 Pause frames 0 Cos 3 Pause frames
0 Cos 4 Pause frames 0 Cos 4 Pause frames
0 Cos 5 Pause frames 0 Cos 5 Pause frames
0 Cos 6 Pause frames 0 Cos 6 Pause frames
0 Cos 7 Pause frames 0 Cos 7 Pause frames
0 Oam frames 0 OamProcessed frames
0 Oam frames 0 OamDropped frames
2443 Minimum size frames 45020 Minimum size frames
1174922 65 to 127 byte frames 608102 65 to 127 byte frames
4 128 to 255 byte frames 22 128 to 255 byte frames
3735 256 to 511 byte frames 3722 256 to 511 byte frames
8 512 to 1023 byte frames 3 512 to 1023 byte frames
0 1024 to 1518 byte frames 0 1024 to 1518 byte frames
0 1519 to 2047 byte frames 0 1519 to 2047 byte frames
0 2048 to 4095 byte frames 0 2048 to 4095 byte frames
0 4096 to 8191 byte frames 0 4096 to 8191 byte frames
0 8192 to 16383 byte frames 0 8192 to 16383 byte frames
0 16384 to 32767 byte frame 0 16384 to 32767 byte frame
0 > 32768 byte frames 0 > 32768 byte frames
0 Late collision frames 0 SymbolErr frames
0 Excess Defer frames 0 Collision fragments
0 Good (1 coll) frames 0 ValidUnderSize frames
0 Good (>1 coll) frames 0 InvalidOverSize frames
0 Deferred frames 0 ValidOverSize frames
0 Gold frames dropped 0 FcsErr frames
0 Gold frames truncated
0 Gold frames successful
0 1 collision frames
0 2 collision frames
0 3 collision frames
0 4 collision frames
0 5 collision frames
0 6 collision frames
0 7 collision frames
0 8 collision frames
0 9 collision frames
0 10 collision frames
0 11 collision frames
0 12 collision frames
0 13 collision frames
0 14 collision frames
0 15 collision frames
0 Excess collision frames
LAST UPDATE 1972 msecs AGO
SW 2:
x-xx-xx-021#sh int te1/1/1 status
Port Name Status Vlan Duplex Speed Type
Te1/1/1 R-UK-CH-011 err-disabled 1 full 1000 1000BaseSX SFP
R-UK-CH-021#sh int te1/1/2 status
Port Name Status Vlan Duplex Speed Type
Te1/1/2 R-UK-CH-011 err-disabled 1 full 1000 1000BaseSX SFP
x-xx-xx-021#sh run | i udld
udld enable
errdisable recovery cause udld
sh run int po1
Building configuration...
Current configuration : 126 bytes
!
interface Port-channel1
description
switchport trunk native vlan 195
switchport mode trunk
sh log :
Sep 12 09:40:06.312 CET: %PM-4-ERR_RECOVER: Attempting to recover from udld err-disable state on Te1/1/1
000204: *Sep 12 09:40:11.491 CET: %LINK-3-UPDOWN: Interface TenGigabitEthernet1/1/1, changed state to up
000205: *Sep 12 09:40:12.647 CET: %PM-4-ERR_RECOVER: Attempting to recover from udld err-disable state on Te1/1/2
000206: *Sep 12 09:40:14.895 CET: %LINEPROTO-5-UPDOWN: Line protocol on Interface TenGigabitEthernet1/1/1, changed state to up
000207: *Sep 12 09:40:15.109 CET: %UDLD-4-UDLD_PORT_DISABLED: UDLD disabled interface Te1/1/1, aggressive mode failure detected
000208: *Sep 12 09:40:15.110 CET: %PM-4-ERR_DISABLE: udld error detected on Te1/1/1, putting Te1/1/1 in err-disable state
000209: *Sep 12 09:40:16.110 CET: %LINEPROTO-5-UPDOWN: Line protocol on Interface TenGigabitEthernet1/1/1, changed state to down
000210: *Sep 12 09:40:17.087 CET: %LINK-3-UPDOWN: Interface TenGigabitEthernet1/1/2, changed state to up
000211: *Sep 12 09:40:17.154 CET: %LINK-3-UPDOWN: Interface TenGigabitEthernet1/1/1, changed state to down
000212: *Sep 12 09:40:20.386 CET: %LINEPROTO-5-UPDOWN: Line protocol on Interface TenGigabitEthernet1/1/2, changed state to up
000213: *Sep 12 09:40:20.509 CET: %UDLD-4-UDLD_PORT_DISABLED: UDLD disabled interface Te1/1/2, aggressive mode failure detected
000214: *Sep 12 09:40:20.509 CET: %PM-4-ERR_DISABLE: udld error detected on Te1/1/2, putting Te1/1/2 in err-disable state
x-xx-xx-021#sh int t1/1/1 controller
TenGigabitEthernet1/1/1 is down, line protocol is down (err-disabled)
Hardware is Ten Gigabit Ethernet, address is 7486.0bbc.380d (bia 7486.0bbc.380d)
Description: R-UK-CH-011
MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive not set
Full-duplex, 1000Mb/s, link type is auto, media type is 1000BaseSX SFP
input flow-control is off, output flow-control is unsupported
ARP type: ARPA, ARP Timeout 04:00:00
Last input never, output 00:02:07, output hang never
Last clearing of "show interface" counters never
Input queue: 0/2000/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
18410 packets input, 3123751 bytes, 0 no buffer
Received 18410 broadcasts (18402 multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 18402 multicast, 0 pause input
0 input packets with dribble condition detected
15426 packets output, 2400626 bytes, 0 underruns
0 output errors, 0 collisions, 2 interface resets
10 unknown protocol drops
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier, 0 pause output
0 output buffer failures, 0 output buffers swapped out
Transmit TenGigabitEthernet1/1/1 Receive
2400626 Total bytes 3123751 Total bytes
6896 Unicast frames 0 Unicast frames
441344 Unicast bytes 0 Unicast bytes
8512 Multicast frames 18402 Multicast frames
1958062 Multicast bytes 3123207 Multicast bytes
18 Broadcast frames 8 Broadcast frames
1220 Broadcast bytes 544 Broadcast bytes
0 System FCS error frames 0 IpgViolation frames
0 MacUnderrun frames 0 MacOverrun frames
0 Pause frames 0 Pause frames
0 Cos 0 Pause frames 0 Cos 0 Pause frames
0 Cos 1 Pause frames 0 Cos 1 Pause frames
0 Cos 2 Pause frames 0 Cos 2 Pause frames
0 Cos 3 Pause frames 0 Cos 3 Pause frames
0 Cos 4 Pause frames 0 Cos 4 Pause frames
0 Cos 5 Pause frames 0 Cos 5 Pause frames
0 Cos 6 Pause frames 0 Cos 6 Pause frames
0 Cos 7 Pause frames 0 Cos 7 Pause frames
0 Oam frames 0 OamProcessed frames
0 Oam frames 0 OamDropped frames
9205 Minimum size frames 2313 Minimum size frames
2617 65 to 127 byte frames 12504 65 to 127 byte frames
10 128 to 255 byte frames 0 128 to 255 byte frames
3594 256 to 511 byte frames 3593 256 to 511 byte frames
0 512 to 1023 byte frames 0 512 to 1023 byte frames
0 1024 to 1518 byte frames 0 1024 to 1518 byte frames
0 1519 to 2047 byte frames 0 1519 to 2047 byte frames
0 2048 to 4095 byte frames 0 2048 to 4095 byte frames
0 4096 to 8191 byte frames 0 4096 to 8191 byte frames
0 8192 to 16383 byte frames 0 8192 to 16383 byte frames
0 16384 to 32767 byte frame 0 16384 to 32767 byte frame
0 > 32768 byte frames 0 > 32768 byte frames
0 Late collision frames 0 SymbolErr frames
0 Excess Defer frames 0 Collision fragments
0 Good (1 coll) frames 0 ValidUnderSize frames
0 Good (>1 coll) frames 0 InvalidOverSize frames
0 Deferred frames 0 ValidOverSize frames
0 Gold frames dropped 0 FcsErr frames
0 Gold frames truncated
0 Gold frames successful
0 1 collision frames
0 2 collision frames
0 3 collision frames
0 4 collision frames
0 5 collision frames
0 6 collision frames
0 7 collision frames
0 8 collision frames
0 9 collision frames
0 10 collision frames
0 11 collision frames
0 12 collision frames
0 13 collision frames
0 14 collision frames
0 15 collision frames
0 Excess collision frames
LAST UPDATE 128125 msecs AGO
x-xx-xx-021#sh int t1/1/2 controller
TenGigabitEthernet1/1/2 is down, line protocol is down (err-disabled)
Hardware is Ten Gigabit Ethernet, address is 7486.0bbc.380e (bia 7486.0bbc.380e)
Description: R-UK-CH-011
MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive not set
Full-duplex, 1000Mb/s, link type is auto, media type is 1000BaseSX SFP
input flow-control is off, output flow-control is unsupported
ARP type: ARPA, ARP Timeout 04:00:00
Last input never, output 00:02:12, output hang never
Last clearing of "show interface" counters never
Input queue: 0/2000/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
1146230 packets input, 83374465 bytes, 0 no buffer
Received 1146103 broadcasts (1146055 multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 1146055 multicast, 0 pause input
0 input packets with dribble condition detected
637505 packets output, 45908770 bytes, 0 underruns
0 output errors, 0 collisions, 2 interface resets
8 unknown protocol drops
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier, 0 pause output
0 output buffer failures, 0 output buffers swapped out
Transmit TenGigabitEthernet1/1/2 Receive
45908770 Total bytes 83374465 Total bytes
6918 Unicast frames 127 Unicast frames
443132 Unicast bytes 15681 Unicast bytes
630586 Multicast frames 1146055 Multicast frames
45465570 Multicast bytes 83355528 Multicast bytes
1 Broadcast frames 48 Broadcast frames
68 Broadcast bytes 3256 Broadcast bytes
0 System FCS error frames 0 IpgViolation frames
0 MacUnderrun frames 0 MacOverrun frames
0 Pause frames 0 Pause frames
0 Cos 0 Pause frames 0 Cos 0 Pause frames
0 Cos 1 Pause frames 0 Cos 1 Pause frames
0 Cos 2 Pause frames 0 Cos 2 Pause frames
0 Cos 3 Pause frames 0 Cos 3 Pause frames
0 Cos 4 Pause frames 0 Cos 4 Pause frames
0 Cos 5 Pause frames 0 Cos 5 Pause frames
0 Cos 6 Pause frames 0 Cos 6 Pause frames
0 Cos 7 Pause frames 0 Cos 7 Pause frames
0 Oam frames 0 OamProcessed frames
0 Oam frames 0 OamDropped frames
43688 Minimum size frames 2360 Minimum size frames
590201 65 to 127 byte frames 1140250 65 to 127 byte frames
16 128 to 255 byte frames 4 128 to 255 byte frames
3599 256 to 511 byte frames 3611 256 to 511 byte frames
1 512 to 1023 byte frames 5 512 to 1023 byte frames
0 1024 to 1518 byte frames 0 1024 to 1518 byte frames
0 1519 to 2047 byte frames 0 1519 to 2047 byte frames
0 2048 to 4095 byte frames 0 2048 to 4095 byte frames
0 4096 to 8191 byte frames 0 4096 to 8191 byte frames
0 8192 to 16383 byte frames 0 8192 to 16383 byte frames
0 16384 to 32767 byte frame 0 16384 to 32767 byte frame
0 > 32768 byte frames 0 > 32768 byte frames
0 Late collision frames 0 SymbolErr frames
0 Excess Defer frames 0 Collision fragments
0 Good (1 coll) frames 0 ValidUnderSize frames
0 Good (>1 coll) frames 0 InvalidOverSize frames
0 Deferred frames 0 ValidOverSize frames
0 Gold frames dropped 0 FcsErr frames
0 Gold frames truncated
0 Gold frames successful
0 1 collision frames
0 2 collision frames
0 3 collision frames
0 4 collision frames
0 5 collision frames
0 6 collision frames
0 7 collision frames
0 8 collision frames
0 9 collision frames
0 10 collision frames
0 11 collision frames
0 12 collision frames
0 13 collision frames
0 14 collision frames
0 15 collision frames
0 Excess collision frames
LAST UPDATE 134803 msecs AGO
errdisable recovery cause udld
09-12-2018 06:19 AM
09-12-2018 11:55 PM
Hi
I fixed the error, of UDLD.
Image was installed in Bundel mode.
I have changed to Install mode now everything is working.
Thanks for your suggestion and now I have disabled UDLD aggressive on these devices.
Since yesterday night devices are working fine. :)
Have a nice day.
09-13-2018 12:30 AM
Glad to hear all working and good for your inputs.
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