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New Member

X.25 CUD problem

Hello,

We want our Cisco 3640 to accept only X.25 calls with specific CUD, so we placed a x.25 alias on a serial interface:

interface serial 1/7

encapsulation x25

x25 address 111111

x25 alias 1590274 cud LM

The cisco accepts calls with CUD "LM" but also accepts calls without any CUD in the packet.

Is this normal behaviour or is this a bug.

We are using IOS 12.1.15.

Thanks in advance for any help.

1 REPLY
New Member

Re: X.25 CUD problem

The CUD designates protocol, and is a hex value. 0xCC for IP, 0xD3 for IPX, etc. It is possible you are trying to use CUD for something other than it was designed for.

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