Ethereal-users: RE: [ethereal-users] EIGRP decodes

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From: Eric Lenz <eglenz@xxxxxxxxxx>
Date: Fri, 1 Sep 2000 14:25:19 -0500 
Thanks Breen, but I apparently don' t have access to the cisco doc mentioned
below and a programmer will need much more info than the protocol number.

Here are some EIGRP packets from a Sniffer sniff if anyone will find that
helpful:

- - - - - - - - - - - - - - - - Frame 307 - - - - - - - - - - - - - - - - -

SUMMARY  Delta T     Destination   Source        Summary
   307    0.02561  [224.0.0.10]    router           EIGRP  Query AS=100
Seq=76

EIGRP:  ----- EIGRP Header -----
EIGRP:  
EIGRP:  Version        = 2
EIGRP:  Opcode         = 3 (Query)
EIGRP:  EIGRP Checksum = 13C7 (correct)
EIGRP:  Subnets in Local Net                  = 0 
EIGRP:  Networks in Autonomous System         = 0 
EIGRP:  Sequence number                       = 76 
EIGRP:  Autonomous System number              = 100
EIGRP:  
EIGRP:  Type           = 1
EIGRP:  Subtype        = 2
EIGRP:  Length         = 28 Bytes
EIGRP:  ROUTING ENTRY  #1 
EIGRP:   Delay                    = FFFFFFFF (Unreachable)
EIGRP:   Bandwidth                = 1000 (10 Mbits/sec)
EIGRP:   MTU                      = 1500 Bytes

Sniffer Network Analyzer data from 25-Aug-100 at 10:27:44, unsaved capture
data, Page 2


EIGRP:   Hopcount                 = 0
EIGRP:   Reliability = 255/255          Load = 1/255
EIGRP:   IP prefix                = 20
EIGRP:   Network                  = [172.16.176.0] 
EIGRP:  


- - - - - - - - - - - - - - - - Frame 308 - - - - - - - - - - - - - - - - -

SUMMARY  Delta T     Destination   Source        Summary
   308    0.00249  router          [172.16.208.21]  EIGRP  Ack AS=100 Seq=76

EIGRP:  ----- EIGRP Header -----
EIGRP:  
EIGRP:  Version        = 2
EIGRP:  Opcode         = 5 (Ack)
EIGRP:  EIGRP Checksum = FD4A (correct)
EIGRP:  Subnets in Local Net                  = 0 Unused
EIGRP:  Networks in Autonomous System         = 0 Unused
EIGRP:  Sequence number                       = 0 Unused
EIGRP:  Ack sequence number                   = 76
EIGRP:  Autonomous System number              = 100
EIGRP:  
EIGRP:  


- - - - - - - - - - - - - - - - Frame 309 - - - - - - - - - - - - - - - - -

SUMMARY  Delta T     Destination   Source        Summary
   309    0.26344  router          [172.16.208.21]  EIGRP  Reply to query=76
AS=100 Seq=44027

EIGRP:  ----- EIGRP Header -----
EIGRP:  
EIGRP:  Version        = 2
EIGRP:  Opcode         = 4 (Reply)
EIGRP:  EIGRP Checksum = 67CA (correct)
EIGRP:  Subnets in Local Net                  = 0 
EIGRP:  Networks in Autonomous System         = 0 
EIGRP:  Sequence number                       = 44027 
EIGRP:  Reply to query sequence               = 76
EIGRP:  Autonomous System number              = 100
EIGRP:  
EIGRP:  Type           = 1
EIGRP:  Subtype        = 2
EIGRP:  Length         = 28 Bytes
EIGRP:  ROUTING ENTRY  #1 
EIGRP:   Delay                    = FFFFFFFF (Unreachable)
EIGRP:   Bandwidth                = 1000 (10 Mbits/sec)
EIGRP:   MTU                      = 1500 Bytes
EIGRP:   Hopcount                 = 0
EIGRP:   Reliability = 255/255          Load = 1/255

Sniffer Network Analyzer data from 25-Aug-100 at 10:27:44, unsaved capture
data, Page 3


EIGRP:   IP prefix                = 20
EIGRP:   Network                  = [172.16.176.0] 
EIGRP:  


- - - - - - - - - - - - - - - - Frame 310 - - - - - - - - - - - - - - - - -

SUMMARY  Delta T     Destination   Source        Summary
   310    0.00126  [172.16.208.21] router           EIGRP  Ack AS=100
Seq=44027

EIGRP:  ----- EIGRP Header -----
EIGRP:  
EIGRP:  Version        = 2
EIGRP:  Opcode         = 5 (Ack)
EIGRP:  EIGRP Checksum = 519B (correct)
EIGRP:  Subnets in Local Net                  = 0 Unused
EIGRP:  Networks in Autonomous System         = 0 Unused
EIGRP:  Sequence number                       = 0 Unused
EIGRP:  Ack sequence number                   = 44027
EIGRP:  Autonomous System number              = 100
EIGRP:  
EIGRP:  


- - - - - - - - - - - - - - - - Frame 311 - - - - - - - - - - - - - - - - -

SUMMARY  Delta T     Destination   Source        Summary
   311    0.01424  [224.0.0.10]    router           EIGRP  Update AS=100
Seq=80

EIGRP:  ----- EIGRP Header -----
EIGRP:  
EIGRP:  Version        = 2
EIGRP:  Opcode         = 1 (Update)
EIGRP:  EIGRP Checksum = AFC4 (correct)
EIGRP:  Subnets in Local Net                  = 0 
EIGRP:  Networks in Autonomous System         = 0 
EIGRP:  Sequence number                       = 80 
EIGRP:  Autonomous System number              = 100
EIGRP:  
EIGRP:  Type           = 1
EIGRP:  Subtype        = 2
EIGRP:  Length         = 28 Bytes
EIGRP:  ROUTING ENTRY  #1 
EIGRP:   Delay                    = 25600 (256 millisec)
EIGRP:   Bandwidth                = 1000 (10 Mbits/sec)
EIGRP:   MTU                      = 1500 Bytes
EIGRP:   Hopcount                 = 0
EIGRP:   Reliability = 255/255          Load = 1/255
EIGRP:   IP prefix                = 20
EIGRP:   Network                  = [172.16.176.0] 
EIGRP:  

Sniffer Network Analyzer data from 25-Aug-100 at 10:27:44, unsaved capture
data, Page 4



-----Original Message-----
From: Breen Mullins [mailto:bmullins@xxxxxxxxxx]
Sent: Friday, September 01, 2000 1:50 PM
To: Eric Lenz
Subject: RE: [ethereal-users] EIGRP decodes


At 12:30 PM -0500 9/1/00, Eric Lenz wrote:

>I have not had much luck, excuse me, I have had NO luck when I have tried
to
>locate this in the past.  I have just completed another search to no avail.

[the protocol spec for EIGRP]

Hmm...

The latest protocol-numbers file from IANA shows:


88     EIGRP       EIGRP                           [CISCO,GXS]

[CISCO] Cisco Systems, "Gateway Server Reference Manual", Manual
        Revision B, January 10, 1988.

[GXS] Guenther Schreiner  <snmp-admin@xxxxxxxxxx>

Don't know if this is helpful or not...


Breen