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NAT - message length problem

gomes.c
Level 1
Level 1

Hello,

I tryed some H.323 calls between an H.323 client and CISCO 7200 running IOS v12.2 and I got the following error:

"NAT newly encoded message length(124) doesn't match original length(129)"

Any idea about this ?

CG

1 Reply 1

gomes.c
Level 1
Level 1

I would apreciate your help on this topic.

This is the RRQ message sent to GK via CISCO 7200:

Frame 3 (171 bytes on wire, 171 bytes captured)

Arrival Time: Dec 13, 2002 16:47:19.062111000

Time delta from previous packet: 76.914662000 seconds

Time relative to first packet: 76.918382000 seconds

Frame Number: 3

Packet Length: 171 bytes

Capture Length: 171 bytes

Ethernet II, Src: 00:01:e3:00:b0:fd, Dst: 00:30:19:d3:ac:38

Destination: 00:30:19:d3:ac:38 (Cisco_d3:ac:38)

Source: 00:01:e3:00:b0:fd (Siemens_00:b0:fd)

Type: IP (0x0800)

Internet Protocol, Src Addr: 10.1.1.5 (10.1.1.5), Dst Addr: 141.29.137.251 (141.29.137.251)

Version: 4

Header length: 20 bytes

Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00)

0000 00.. = Differentiated Services Codepoint: Default (0x00)

.... ..0. = ECN-Capable Transport (ECT): 0

.... ...0 = ECN-CE: 0

Total Length: 157

Identification: 0x0082

Flags: 0x00

.0.. = Don't fragment: Not set

..0. = More fragments: Not set

Fragment offset: 0

Time to live: 64

Protocol: UDP (0x11)

Header checksum: 0x57b0 (correct)

Source: 10.1.1.5 (10.1.1.5)

Destination: 141.29.137.251 (141.29.137.251)

User Datagram Protocol, Src Port: 1024 (1024), Dst Port: 1719 (1719)

Source port: 1024 (1024)

Destination port: 1719 (1719)

Length: 137

Checksum: 0xa0a6 (correct)

ITU-T Recommendation H.225.0

registrationRequest

requestSeqNum: 7834

protocolIdentifier: 0.0.8.2250.0.2

nonStandardData (NonStandardParameter)

nonStandardIdentifier (object)

object: 1.3.12.2.1107.2.7.40001

data:

discoveryComplete: False

callSignalAddress (TransportAddress)

Item 0 (ipAddress)

ipAddress

ip: 10.1.1.5 (10.1.1.5)

port: 1720

rasAddress (TransportAddress)

Item 0 (ipAddress)

ipAddress

ip: 10.1.1.5 (10.1.1.5)

port: 1024

terminalType (EndpointType)

vendor (VendorIdentifier)

vendor (H221NonStandard)

t35CountryCode: 4

t35Extension: 0

manufacturerCode: 130

productId: HiNet LP 5100

versionId: 3.0

terminal (TerminalInfo)

mc: False

undefinedNode: False

terminalAlias (AliasAddress)

Item 0 (e164)

e164: 214243001

Item 1 (h323_ID)

h323_ID: PURE1

endpointVendor (VendorIdentifier)

vendor (H221NonStandard)

t35CountryCode: 4

t35Extension: 0

manufacturerCode: 130

productId: HiNet LP 5100

versionId: 3.0

timeToLive: 300

keepAlive: False

willSupplyUUIEs: False

maintainConnection: False

alternateTransportAddresses (AlternateTransportAddresses)