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S7_T203_EXPIRY ?

verrante
Level 1
Level 1

I have this message but what is?

Dec 17 23:22:45 UTC: ISDN BR3/1 Q921: S7_T203_EXPIRY: Lost communication with remote.

Dec 17 23:22:45 UTC: ISDN BR3/1 Q921: User TX -> RRp sapi=0 tei=0 nr=0

Dec 17 23:22:45 UTC: ISDN BR3/1 Q921: User RX <- RRf sapi=0 tei=0 nr=0

Dec 17 23:22:46 UTC: ISDN BR2/1 Q921: S7_T203_EXPIRY: Lost communication with remote.

the system is a 1760

c1700-ipvoice-mz.123-11.XL.bin

switch-type basic-net3

static-tei 0

point-to-point (same problem with other bri point-to-multipoint)

carrier Telecom Italia

4 Replies 4

thisisshanky
Level 11
Level 11

T203 is Link Integrity timer.Its the maximum time without any frame exchange. It could be a telco issue..

Is your layer 1 and layer 2 status up ?? (show isdn status)

Sankar Nair
UC Solutions Architect
Pacific Northwest | CDW
CCIE Collaboration #17135 Emeritus

lnthompson
Level 1
Level 1

I get this same exact problem on some ISDN BRI's in the Netherlands. I still haven't found a solution and the ISDN lines appear to be up and Multi-Frame-Esablished when I do show isdn status.

But they flap all the time with those EXPIRY's.

I am getting this same message with a PRI in Canada. Did you ever find a solution?

iziks
Level 4
Level 4

Hi,

I had a same problem.May be you gays have another vic on you router in aditional to vic bri?

On my router it was E1 (data) i remove it,

no problem till now.

By.