08-19-2011 03:52 AM - edited 03-04-2019 01:20 PM
Hi ,
I m not able to add 4th link in multilink group .while adding getting below errors -
routerA
---------
Cisco 3845
flash:c3845-adventerprisek9-mz.124-15.T1.bin
routerB-
-----------
Cisco 7206VXR (NPE-G1)
disk2:c7206-VXR--advipservicesk9-mz.124-24.T3.bin
error Logs from routerA while adding 4th link in multilink ==>
-----------------------------
CR01#sh ppp multilink
Multilink2
Bundle name: MUM
Remote Endpoint Discriminator: [1] MLD
Local Endpoint Discriminator: [1] RAN
Bundle up for 9w4d, total bandwidth 6144, load 47/255
Receive buffer limit 36000 bytes, frag timeout 1000 ms
0/0 fragments/bytes in reassembly list
61 lost fragments, 43440 reordered
57/27662 discarded fragments/bytes, 0 lost received
0x9DFE23 received sequence, 0x618A6C sent sequence
Member links: 3 active, 1 inactive (max not set, min not set)
Se0/2/1:0, since 2w3d
Se0/2/0:0, since 2w3d
Se0/1/0:0, since 1w2d
Se0/0/1:0 (inactive)
No inactive multilink interfaces
CR01#
AI-CR01#sh log
Syslog logging: enabled (12 messages dropped, 9 messages rate-limited,
0 flushes, 0 overruns, xml disabled, filtering disabled)
No Active Message Discriminator.
No Inactive Message Discriminator.
Console logging: level critical, 29 messages logged, xml disabled,
filtering disabled
Monitor logging: level debugging, 54106 messages logged, xml disabled,
filtering disabled
Buffer logging: level debugging, 525039 messages logged, xml disabled,
filtering disabled
Logging Exception size (4096 bytes)
Count and timestamp logging messages: disabled
Persistent logging: disabled
No active filter modules.
ESM: 0 messages dropped
Trap logging: level notifications, 8086 message lines logged
Logging to 10.89.16.102 (udp port 514, audit disabled,
authentication disabled, encryption disabled, link up),
8086 message lines logged,
0 message lines rate-limited,
0 message lines dropped-by-MD,
xml disabled, sequence number disabled
filtering disabled
Logging to 10.2.26.156 (udp port 514, audit disabled,
authentication disabled, encryption disabled, link up),
8086 message lines logged,
0 message lines rate-limited,
0 message lines dropped-by-MD,
xml disabled, sequence number disabled
filtering disabled
Logging to 10.2.26.157 (udp port 514, audit disabled,
authentication disabled, encryption disabled, link up),
8086 message lines logged,
0 message lines rate-limited,
0 message lines dropped-by-MD,
xml disabled, sequence number disabled
filtering disabled
Log Buffer (4096 bytes):
2 MLP: Dropped link Se0/3/1:0 from bundle MUM_CR01_MLD
Aug 12 23:50:50.301 IST: Se0/3/1:0 MLP: Request add link to bundle
Aug 12 23:50:50.301 IST: Se0/3/1:0 MLP: Adding link to bundle
Aug 12 23:50:50.301 IST: Se0/3/1:0 MLP: Computed frag size 7672 exceeds MTU, changed to 1496
Aug 12 23:50:50.301 IST: Mu2 MLP: Added link Se0/3/1:0 to bundle MUM_CR01_MLD
Aug 12 23:50:50.301 IST: Se0/3/1:0 MLP: Request drop link from bundle Mu2
Aug 12 23:50:50.301 IST: Mu2 MLP: Removing link Se0/3/1:0 from bundle MUM_CR01_MLD
Aug 12 23:50:50.301 IST: Mu2 MLP: Dropped link Se0/3/1:0 from bundle MUM_CR01_MLD
Aug 12 23:50:52.357 IST: Se0/3/1:0 MLP: Request add link to bundle
Aug 12 23:50:52.357 IST: Se0/3/1:0 MLP: Adding link to bundle
Aug 12 23:50:52.357 IST: Se0/3/1:0 MLP: Computed frag size 7672 exceeds MTU, changed to 1496
Aug 12 23:50:52.357 IST: Mu2 MLP: Added link Se0/3/1:0 to bundle MUM_CR01_MLD
Aug 12 23:50:52.357 IST: Se0/3/1:0 MLP: Request drop link from bundle Mu2
Aug 12 23:50:52.357 IST: Mu2 MLP: Removing link Se0/3/1:0 from bundle MUM_CR01_MLD
Aug 12 23:50:52.357 IST: Mu2 MLP: Dropped link Se0/3/1:0 from bundle MUM_CR01_MLD
Aug 12 23:50:54.417 IST: Se0/3/1:0 MLP: Request add link to bundle
Aug 12 23:50:54.417 IST: Se0/3/1:0 MLP: Adding link to bundle
Aug 12 23:50:54.417 IST: Se0/3/1:0 MLP: Computed frag size 7672 exceeds MTU, changed to 1496
Aug 12 23:50:54.417 IST: Mu2 MLP: Added link Se0/3/1:0 to bundle MUM_CR01_MLD
Aug 12 23:50:54.417 IST: Se0/3/1:0 MLP: Request drop link from bundle Mu2
Aug 12 23:50:54.417 IST: Mu2 MLP: Removing link Se0/3/1:0 from bundle MUM_CR01_MLD
Aug 12 23:50:54.417 IST: Mu2 MLP: Dropped link Se0/3/1:0 from bundle MUM_CR01_MLD
Aug 12 23:50:56.477 IST: Se0/3/1:0 MLP: Request add link to bundle
Aug 12 23:50:56.477 IST: Se0/3/1:0 MLP: Adding link to bundle
Aug 12 23:50:56.477 IST: Se0/3/1:0 MLP: Computed frag size 7672 exceeds MTU, changed to 1496
Aug 12 23:50:56.477 IST: Mu2 MLP: Added link Se0/3/1:0 to bundle MUM_CR01_MLD
Aug 12 23:50:56.481 IST: Se0/3/1:0 MLP: Request drop link from bundle Mu2
Aug 12 23:50:56.481 IST: Mu2 MLP: Removing link Se0/3/1:0 from bundle MUM_CR01_MLD
Aug 12 23:50:56.481 IST: Mu2 MLP: Dropped link Se0/3/1:0 from bundle MUM_CR01_MLD
Aug 12 23:50:57.161 IST: Se0/3/1:0 MLP: Removed interface from multilink group Mu2
Aug 12 23:50:58.821 IST: %SYS-5-CONFIG_I: Configured from console by kailashs on vty1 (10.89.16.110)
Aug 12 23:50:59.425 IST: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/3/1:0, changed state to up
Aug 12 23:55:02.708 IST: Se0/3/1:0 MLP: Added interface to multilink group Mu2
Aug 12 23:55:03.708 IST: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/3/1:0, changed state to down
Aug 12 23:55:05.276 IST: %SYS-5-CONFIG_I: Configured from console by kailashs on vty1 (10.89.16.110)
Aug 12 23:55:05.768 IST: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/3/1:0, changed state to up
Aug 12 23:57:49.332 IST: Mu2 MLP: Lost fragment timeout, seq 9BAC33
Aug 12 23:57:49.332 IST: Mu2 MLP: Discard reassembled packet
Aug 12 23:58:01.324 IST: Mu2 MLP: Lost fragment 9BB323 (all links out of sequence)
Aug 12 23:58:01.324 IST: Mu2 MLP: Begin bit lost, discard fragment 9BB324
Aug 12 23:58:46.146 IST: Mu2 MLP: Lost fragment 9BBF35 (all links out of sequence)
Aug 12 23:58:46.146 IST: Mu2 MLP: Begin bit lost, discard fragment 9BBF36
Aug 13 00:07:39.588 IST: Mu2 MLP: Lost fragment 9BCC6A (all links out of sequence)
Aug 13 00:07:39.588 IST: Mu2 MLP: Begin bit lost, discard fragment 9BCC6B
Aug 13 00:11:03.245 IST: %SYS-5-CONFIG_I: Configured from console by kailashs on vty1 (10.89.16.110)
Aug 13 10:39:49.626 IST: %SYS-5-CONFIG_I: Configured from console by navaneethr on vty0 (10.89.16.110)
Aug 13 10:40:11.371 IST: %SYS-5-CONFIG_I: Configured from console by navaneethr on vty0 (10.89.16.110)
Aug 13 22:35:01.747 IST: %SYS-5-CONFIG_I: Configured from console by kailashs on vty0 (10.89.16.110)
Aug 14 00:24:47.620 IST: %SEC_LOGIN-4-LOGIN_FAILED: Login failed [user: ashoks] [Source: 10.44.61.16] [localport: 22] [Reason: Login Authentication Failed] at 00:24:47 IST Sun Aug 14 2011
Thanks for any help
==============
08-21-2011 09:32 AM
If possible I would advise you to rebuild the mutlilink,
Delete existing MUltilink and add one by one again-- all 4 links.
Those lost fragments and reordered errors are ok,it will not cause 4th link to be inactive.
~Jyoti
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