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ISIS Adj Change

Mavrick25
Level 1
Level 1

Hey Guys,

I am looking for some reference material that can help me understand the different states of an ADjacency change..

example..

%CLNS-3

%CLNS-4

%CLNS-4

Each one of these has a reason to interrupt isis.. would like to know what they are..

Please and thank you..

PR

1 Accepted Solution

Accepted Solutions

Hello Paolo,

from

http://www.cisco.com/en/US/docs/routers/access/ics7750/software/25/troubleshooting/guide/monitor2.html#wp1031391

a brief explanation of the severity levels:

Table 1-3 Log Message Severity Level Keywords

Keyword Level Description Syslog Definition

emergency

0

System unusable

LOG_EMERG

alert

1

Immediate action required

LOG_ALERT

critical

2

Critical condition

LOG_CRIT

error

3

Error condition

LOG_ERR

warning

4

Warning condition

LOG_WARNING

notification

5

Normal but significant condition

LOG_NOTICE

informational

6

Information-no action required

LOG_INFO

debugging

7

Debugging message

LOG_DEBUG

Ciao

Giuseppe

View solution in original post

6 Replies 6

Giuseppe Larosa
Hall of Fame
Hall of Fame

Hello Paolo,

you have more then guest access on CCO you can use the error message decoder to find info about the messages

http://www.cisco.com/pcgi-bin/Support/Errordecoder/index.cgi

if you want to understand why an IS-IS adj is not stable you can use:

debug isis adj-packets

as a reference link you can use

http://www.cisco.com/en/US/docs/ios/iproute/configuration/guide/isinitcf.html#wp1054967

Hope to help

Giuseppe

Giuseppe,

you are 100% correct, I used the device already but it did give a great description as what the clns numbers mean..

thanks for the reference..

Hello Paolo,

if you mean

%CLNS-3

the 3 here is the severity level of the event

with 3 more important then 4

Otherwise you should look at TAC case studies for example

best regards

Giuseppe

Giuseppe,

Thanks again..

That is what I am looking for..

Is chart with the severity levels.. does this exisit..

Or do I have to open a TAC case??

Sei italiano.. grande..

Hello Paolo,

from

http://www.cisco.com/en/US/docs/routers/access/ics7750/software/25/troubleshooting/guide/monitor2.html#wp1031391

a brief explanation of the severity levels:

Table 1-3 Log Message Severity Level Keywords

Keyword Level Description Syslog Definition

emergency

0

System unusable

LOG_EMERG

alert

1

Immediate action required

LOG_ALERT

critical

2

Critical condition

LOG_CRIT

error

3

Error condition

LOG_ERR

warning

4

Warning condition

LOG_WARNING

notification

5

Normal but significant condition

LOG_NOTICE

informational

6

Information-no action required

LOG_INFO

debugging

7

Debugging message

LOG_DEBUG

Ciao

Giuseppe

Giuseppe,

Grazie..

thank you so much...

I highly appreciate it..

Paolo R

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