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ISDN + RADIUS

azinatulin
Level 1
Level 1

Hello.

I can't configure remote access to 3745 over ISDN-modem with autentication on RADIUS.

Remote access over analog-modem work fine.

When I try connect over ISDN-modem on "interface BRI2/0", after autetication, ISDN-modem dissconnected.

This is show ver:

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

Cisco IOS Software, 3700 Software (C3745-IPVOICE-M), Version 12.3(11)T2, RELEASE SOFTWARE (fc1)

Technical Support: http://www.cisco.com/techsupport

Copyright (c) 1986-2004 by Cisco Systems, Inc.

Compiled Fri 29-Oct-04 06:38 by cmong

ROM: System Bootstrap, Version 12.2(8r)T2, RELEASE SOFTWARE (fc1)

Router uptime is 1 week, 21 hours, 5 minutes

System returned to ROM by power-on

System restarted at 13:45:37 PRM Tue Apr 5 2005

System image file is "flash:c3745-ipvoice-mz.123-11.T2.bin"

Cisco 3745 (R7000) processor (revision 2.0) with 118784K/12288K bytes of memory.

Processor board ID JHY0807K0QR

R7000 CPU at 350MHz, Implementation 39, Rev 3.3, 256KB L2, 2048KB L3 Cache

2 FastEthernet interfaces

16 ISDN Basic Rate interfaces

24 terminal lines

2 Voice FXS interfaces

DRAM configuration is 64 bits wide with parity disabled.

151K bytes of NVRAM.

31744K bytes of ATA System CompactFlash (Read/Write)

Configuration register is 0x2102

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

In attach:

config - current configuration 3745

dabug_radius - debug AAA Authentication

Anybody can help me?

2 Replies 2

smahbub
Level 6
Level 6

I guess there is some configuration issue on the Radius authentication configuration part. Please check the configuration on the Radius server. If all the Radius configuration have been verified and still the problem persists then it could be a hardware prioblem with the ISDN modem. Check with another ISDN modem if it works.

This is radius (freeradius 1.0.1) config:

== start ==

DEFAULT Pool-Name := "main_pool"

Fall-Through = 1

DEFAULT Service-Type == Framed-User

Service-Type = Framed-User,

Framed-Protocol = PPP,

Framed-IP-Address = 255.255.255.254,

Framed-IP-Netmask = 255.255.255.255,

Framed-Compression = "VJ TCP/IP header compression",

Cisco-AVPair = "ip:dns-servers=195.222.*.*",

Fall-Through = 1

testuser Auth-Type := Local, User-Password == "*****", Service-Type

== Framed-User

== stop ==

This config have any errors?

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