[nsp] Cisco 2600 IOS 12.010 only opening 5 vc at peak

From: Ben Duncan (ben@cpp.co.uk)
Date: Tue Nov 13 2001 - 06:03:41 EST


Cisco 2600 IOS 12.010 only opening 5 vc at peak

Configuration:

Local HOST------------>Cisco ROUTER----------->Remote HOST
              TCP TCP-->X25 Trans X25

Performing TCP to X.25 translation on port 7500 to remote host on 30 vc X.25
line. Maximum number of current transactions from the software is being
reported as 5. Results of a "show translate" command show 4/5 peak. Have
tried setting nvc to 8 but the number of max translations was still 4/5
peak. When using "debug x25 all" "debug translate" "debug serial interface"
the following messages are output. --tcppad67: pad state 7 not alive-- and
also --tcppad67: conntop not alive--
I have searched the web for information regarding these errors but haven't
had any joy. I have installed an Eicon x25 card in the local host and have
tested the x25 circuit and have opened all 30 channels. I have also tried
written a simple script to initiate multiple telnet instances to simulate
transactions as the local host TCP/IP driver would and it still only opens 5
channels. Does the IOS actually support 30 concurrent Vcs??

----------------------------------------------------------------------------

Config Excerpt:

x25 routing

Interface Serial0/0
 no ip address
 no ip directed-broadcast
 encapsulation x25
 no ip mroute-cache
 x25 address xxxxxxxxxxxxxx
 x25 ltc 1024
 x25 htc 1053
 no cdp enable

x25 route yyyyyyyyyyyyyy interface Serial0/0
         
translate tcp xx.xx.xx.xx port 7500 stream x25 yyyyyyyyyyyyyy quiet

----------------------------------------------------------------------------

show version

Cisco Internetwork Operating System Software
IOS (tm) C2600 Software (C2600-JS-M), Version 12.0(10), RELEASE SOFTWARE
(fc1)
Copyright (c) 1986-2000 by cisco Systems, Inc.
Compiled Tue 21-Mar-00 00:00 by phanguye
Image text-base: 0x80008088, data-base: 0x80B11694

ROM: System Bootstrap, Version 11.3(2)XA4, RELEASE SOFTWARE (fc1)

York-BMS uptime is 2 weeks, 2 minutes
System restarted by power-on
System image file is "flash:c2600-js-mz.120-10.bin"

cisco 2610 (MPC860) processor (revision 0x203) with 26624K/6144K bytes of
memory

Processor board ID JAD050414AJ (2087328745)
M860 processor: part number 0, mask 49
Bridging software.
X.25 software, Version 3.0.0.
SuperLAT software (copyright 1990 by Meridian Technology Corp).
TN3270 Emulation software.
Basic Rate ISDN software, Version 1.1.
1 Ethernet/IEEE 802.3 interface(s)
1 Serial network interface(s)
1 ISDN Basic Rate interface(s)
32K bytes of non-volatile configuration memory.
8192K bytes of processor board System flash (Read/Write)

Configuration register is 0x2102

----------------------------------------------------------------------------

show translate

Translate From: TCP 172.20.49.13 Port 7500 Stream
          To: X25 yyyyyyyyyyyyyy
          Quiet
          0/0 users active, 4 peak, 270 total, 0 failures

----------------------------------------------------------------------------

debug x25 all, debug translate, debug serial interface

6d: From (14): xxxxxxxxxxxxxx To (14): yyyyyyyyyyyyyy
1w6d: Facilities: (0)
1w6d: Call User Data (4): 0x01000000 (pad)
1w6d: Serial0/0: X.25 I R1 Call Confirm (3) 8 lci 1053
1w6d: tcppad68: fork started
1w6d: Serial0/0: X.25 O R1 Call (23) 8 lci 1052
1w6d: From (14): xxxxxxxxxxxxxx To (14): yyyyyyyyyyyyyy
1w6d: Facilities: (0)
1w6d: Call User Data (4): 0x01000000 (pad)
1w6d: Serial0/0: X.25 I R1 Call Confirm (3) 8 lci 1052
1w6d: tcppad69: fork started
1w6d: Serial0/0: X.25 O R1 Call (23) 8 lci 1051
1w6d: From (14): xxxxxxxxxxxxxx To (14): yyyyyyyyyyyyyy
1w6d: Facilities: (0)
1w6d: Call User Data (4): 0x01000000 (pad)
1w6d: Serial0/0: X.25 I R1 Call Confirm (3) 8 lci 1051
1w6d: Serial0/0: X.25 I R1 Clear (5) 8 lci 1053
1w6d: Cause 0, Diag 0 (DTE originated/No additional information)
1w6d: Serial0/0: X.25 O R1 Clear Confirm (3) 8 lci 1053
1w6d: tcppad67: pad state 7 not alive
1w6d: tcppad67: fork started
1w6d: Serial0/0: X.25 O R1 Call (23) 8 lci 1053
1w6d: From (14): xxxxxxxxxxxxxx To (14): yyyyyyyyyyyyyy
1w6d: Facilities: (0)
1w6d: Call User Data (4): 0x01000000 (pad)
1w6d: Serial0/0: X.25 I R1 Call Confirm (3) 8 lci 1053
1w6d: tcppad70: fork started
1w6d: Serial0/0: X.25 O R1 Call (23) 8 lci 1050
1w6d: From (14): xxxxxxxxxxxxxx To (14): yyyyyyyyyyyyyy
1w6d: Facilities: (0)
1w6d: Call User Data (4): 0x01000000 (pad)
1w6d: Serial0/0: X.25 I R1 Call Confirm (3) 8 lci 1050
1w6d: Serial0/0: X.25 I R1 Clear (5) 8 lci 1052
1w6d: Cause 0, Diag 0 (DTE originated/No additional information)
1w6d: Serial0/0: X.25 O R1 Clear Confirm (3) 8 lci 1052
1w6d: tcppad68: pad state 7 not alive
1w6d: tcppad68: fork started
1w6d: Serial0/0: X.25 O R1 Call (23) 8 lci 1052
1w6d: From (14): xxxxxxxxxxxxxx To (14): yyyyyyyyyyyyyy
1w6d: Facilities: (0)
1w6d: Call User Data (4): 0x01000000 (pad)
1w6d: Serial0/0: X.25 I R1 Call Confirm (3) 8 lci 1052
1w6d: Serial0/0: X.25 I R1 Clear (5) 8 lci 1051
1w6d: Cause 0, Diag 0 (DTE originated/No additional information)
1w6d: Serial0/0: X.25 O R1 Clear Confirm (3) 8 lci 1051
1w6d: tcppad69: pad state 7 not alive
1w6d: tcppad69: fork started
1w6d: Serial0/0: X.25 O R1 Call (23) 8 lci 1051
1w6d: From (14): xxxxxxxxxxxxxx To (14): yyyyyyyyyyyyyy
1w6d: Facilities: (0)
1w6d: Call User Data (4): 0x01000000 (pad)
1w6d: Serial0/0: X.25 I R1 Call Confirm (3) 8 lci 1051
1w6d: Serial0/0: X.25 I R1 Clear (5) 8 lci 1053
1w6d: Cause 0, Diag 0 (DTE originated/No additional information)
1w6d: Serial0/0: X.25 O R1 Clear Confirm (3) 8 lci 1053
1w6d: tcppad67: pad state 7 not alive
1w6d: Serial0/0: X.25 I R1 Clear (5) 8 lci 1050
1w6d: Cause 0, Diag 0 (DTE originated/No additional information)
1w6d: Serial0/0: X.25 O R1 Clear Confirm (3) 8 lci 1050
1w6d: tcppad70: pad state 7 not alive
1w6d: Serial0/0: X.25 I R1 Clear (5) 8 lci 1052
1w6d: Cause 0, Diag 0 (DTE originated/No additional information)
1w6d: Serial0/0: X.25 O R1 Clear Confirm (3) 8 lci 1052
1w6d: tcppad68: pad state 7 not alive
1w6d: Serial0/0: X.25 I R1 Clear (5) 8 lci 1051
1w6d: Cause 0, Diag 0 (DTE originated/No additional information)
1w6d: Serial0/0: X.25 O R1 Clear Confirm (3) 8 lci 1051
1w6d: tcppad69: pad state 7 not alive
1w6d: tcppad67: fork started
1w6d: Serial0/0: X.25 O R1 Call (23) 8 lci 1053
1w6d: From (14): xxxxxxxxxxxxxx To (14): yyyyyyyyyyyyyy
1w6d: Facilities: (0)
1w6d: Call User Data (4): 0x01000000 (pad)
1w6d: Serial0/0: X.25 I R1 Call Confirm (3) 8 lci 1053
1w6d: Serial0/0: X.25 I R1 Clear (5) 8 lci 1053
1w6d: Cause 0, Diag 0 (DTE originated/No additional information)
1w6d: Serial0/0: X.25 O R1 Clear Confirm (3) 8 lci 1053
1w6d: tcppad67: pad state 7 not alive
1w6d: tcppad67: fork started
1w6d: Serial0/0: X.25 O R1 Call (23) 8 lci 1053
1w6d: From (14): xxxxxxxxxxxxxx To (14): yyyyyyyyyyyyyy
1w6d: Facilities: (0)
1w6d: Call User Data (4): 0x01000000 (pad)
1w6d: Serial0/0: X.25 I R1 Call Confirm (3) 8 lci 1053
1w6d: tcppad67: conntop not alive
1w6d: Serial0/0: X.25 O D1 Data (4) Q 8 lci 1053 PS 0 PR 0
1w6d: Serial0/0: X.25 I R1 Clear (5) 8 lci 1053
1w6d: Cause 0, Diag 0 (DTE originated/No additional information)
1w6d: Serial0/0: X.25 O R1 Clear Confirm (3) 8 lci 1053
1w6d: tcppad68: fork started
1w6d: Serial0/0: X.25 O R1 Call (23) 8 lci 1053
1w6d: From (14): xxxxxxxxxxxxxx To (14): yyyyyyyyyyyyyy
1w6d: Facilities: (0)
1w6d: Call User Data (4): 0x01000000 (pad)
1w6d: Serial0/0: X.25 I R1 Call Confirm (3) 8 lci 1053
1w6d: tcppad68: conntop not alive
1w6d: Serial0/0: X.25 O D1 Data (4) Q 8 lci 1053 PS 0 PR 0
1w6d: Serial0/0: X.25 I R1 Clear (5) 8 lci 1053
1w6d: Cause 0, Diag 0 (DTE originated/No additional information)
1w6d: Serial0/0: X.25 O R1 Clear Confirm (3) 8 lci 1053
1w6d: tcppad67: fork started
1w6d: Serial0/0: X.25 O R1 Call (23) 8 lci 1053
1w6d: From (14): xxxxxxxxxxxxxx To (14): yyyyyyyyyyyyyy
1w6d: Facilities: (0)
1w6d: Call User Data (4): 0x01000000 (pad)
1w6d: Serial0/0: X.25 I R1 Call Confirm (3) 8 lci 1053
1w6d: tcppad67: conntop not alive
1w6d: Serial0/0: X.25 O D1 Data (4) Q 8 lci 1053 PS 0 PR 0
1w6d: Serial0/0: X.25 I R1 Clear (5) 8 lci 1053
1w6d: Cause 0, Diag 0 (DTE originated/No additional information)
1w6d: Serial0/0: X.25 O R1 Clear Confirm (3) 8 lci 1053
1w6d: tcppad68: fork started
1w6d: Serial0/0: X.25 O R1 Call (23) 8 lci 1053
1w6d: From (14): xxxxxxxxxxxxxx To (14): yyyyyyyyyyyyyy
1w6d: Facilities: (0)
1w6d: Call User Data (4): 0x01000000 (pad)
1w6d: Serial0/0: X.25 I R1 Call Confirm (3) 8 lci 1053
1w6d: tcppad68: conntop not alive
1w6d: Serial0/0: X.25 O D1 Data (4) Q 8 lci 1053 PS 0 PR 0
1w6d: Serial0/0: X.25 I R1 Clear (5) 8 lci 1053
1w6d: Cause 0, Diag 0 (DTE originated/No additional information)
1w6d: Serial0/0: X.25 O R1 Clear Confirm (3) 8 lci 1053
1w6d: tcppad67: fork started
1w6d: Serial0/0: X.25 O R1 Call (23) 8 lci 1053
1w6d: From (14): xxxxxxxxxxxxxx To (14): yyyyyyyyyyyyyy
1w6d: Facilities: (0)
1w6d: Call User Data (4): 0x01000000 (pad)
1w6d: Serial0/0: X.25 I R1 Call Confirm (3) 8 lci 1053
1w6d: tcppad67: conntop not alive
1w6d: Serial0/0: X.25 O D1 Data (4) Q 8 lci 1053 PS 0 PR 0
1w6d: Serial0/0: X.25 I R1 Clear (5) 8 lci 1053
1w6d: Cause 0, Diag 0 (DTE originated/No additional information)
1w6d: Serial0/0: X.25 O R1 Clear Confirm (3) 8 lci 1053
1w6d: tcppad67: fork started
1w6d: Serial0/0: X.25 O R1 Call (23) 8 lci 1053
1w6d: From (14): xxxxxxxxxxxxxx To (14): yyyyyyyyyyyyyy
1w6d: Facilities: (0)
1w6d: Call User Data (4): 0x01000000 (pad)
1w6d: Serial0/0: X.25 I R1 Call Confirm (3) 8 lci 1053
1w6d: tcppad67: conntop not alive
1w6d: Serial0/0: X.25 O D1 Data (4) Q 8 lci 1053 PS 0 PR 0
1w6d: Serial0/0: X.25 I R1 Clear (5) 8 lci 1053
1w6d: Cause 0, Diag 0 (DTE originated/No additional information)
1w6d: Serial0/0: X.25 O R1 Clear Confirm (3) 8 lci 1053
1w6d: tcppad67: fork started
1w6d: Serial0/0: X.25 O R1 Call (23) 8 lci 1053
1w6d: From (14): xxxxxxxxxxxxxx To (14): yyyyyyyyyyyyyy
1w6d: Facilities: (0)
1w6d: Call User Data (4): 0x01000000 (pad)
1w6d: Serial0/0: X.25 I R1 Call Confirm (3) 8 lci 1053
1w6d: tcppad67: conntop not alive
1w6d: Serial0/0: X.25 O D1 Data (4) Q 8 lci 1053 PS 0 PR 0
1w6d: Serial0/0: X.25 I R1 Clear (5) 8 lci 1053
1w6d: Cause 0, Diag 0 (DTE originated/No additional information)
1w6d: Serial0/0: X.25 O R1 Clear Confirm (3) 8 lci 1053
1w6d: tcppad67: fork started
1w6d: Serial0/0: X.25 O R1 Call (23) 8 lci 1053
1w6d: From (14): xxxxxxxxxxxxxx To (14): yyyyyyyyyyyyyy
1w6d: Facilities: (0)
1w6d: Call User Data (4): 0x01000000 (pad)
1w6d: Serial0/0: X.25 I R1 Call Confirm (3) 8 lci 1053
1w6d: tcppad67: conntop not alive
1w6d: Serial0/0: X.25 O D1 Data (4) Q 8 lci 1053 PS 0 PR 0
1w6d: Serial0/0: X.25 I R1 Clear (5) 8 lci 1053
1w6d: Cause 0, Diag 0 (DTE originated/No additional information)
1w6d: Serial0/0: X.25 O R1 Clear Confirm (3) 8 lci 1053
1w6d: tcppad67: fork started
1w6d: Serial0/0: X.25 O R1 Call (23) 8 lci 1053
1w6d: From (14): xxxxxxxxxxxxxx To (14): yyyyyyyyyyyyyy
1w6d: Facilities: (0)
1w6d: Call User Data (4): 0x01000000 (pad)
1w6d: Serial0/0: X.25 I R1 Call Confirm (3) 8 lci 1053
1w6d: tcppad67: conntop not alive
1w6d: Serial0/0: X.25 O D1 Data (4) Q 8 lci 1053 PS 0 PR 0
1w6d: Serial0/0: X.25 I R1 Clear (5) 8 lci 1053
1w6d: Cause 0, Diag 0 (DTE originated/No additional information)
1w6d: Serial0/0: X.25 O R1 Clear Confirm (3) 8 lci 1053
1w6d: tcppad67: fork started
1w6d: Serial0/0: X.25 O R1 Call (23) 8 lci 1053
1w6d: From (14): xxxxxxxxxxxxxx To (14): yyyyyyyyyyyyyy
1w6d: Facilities: (0)
1w6d: Call User Data (4): 0x01000000 (pad)
1w6d: Serial0/0: X.25 I R1 Call Confirm (3) 8 lci 1053
1w6d: tcppad67: conntop not alive
1w6d: Serial0/0: X.25 O D1 Data (4) Q 8 lci 1053 PS 0 PR 0
1w6d: Serial0/0: X.25 I R1 Clear (5) 8 lci 1053
1w6d: Cause 0, Diag 0 (DTE originated/No additional information)
1w6d: Serial0/0: X.25 O R1 Clear Confirm (3) 8 lci 1053
1w6d: tcppad67: fork started
1w6d: Serial0/0: X.25 O R1 Call (23) 8 lci 1053
1w6d: From (14): xxxxxxxxxxxxxx To (14): yyyyyyyyyyyyyy
1w6d: Facilities: (0)
1w6d: Call User Data (4): 0x01000000 (pad)
1w6d: Serial0/0: X.25 I R1 Call Confirm (3) 8 lci 1053
1w6d: tcppad67: conntop not alive
1w6d: Serial0/0: X.25 O D1 Data (4) Q 8 lci 1053 PS 0 PR 0
1w6d: Serial0/0: X.25 I R1 Clear (5) 8 lci 1053
1w6d: Cause 0, Diag 0 (DTE originated/No additional information)
1w6d: Serial0/0: X.25 O R1 Clear Confirm (3) 8 lci 1053

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