Newsgroup: it.comp.reti.cisco
Titolo: cisco 2610 + wic-1b-s/t

Ho riscontrato un'anomalia dopo aver installato una scheda ISDN
(WIC-1B-S/T) su un CISCO 2610.
Non riesco ad effettuare chiamate in ingresso verso il router in
oggetto, sebbene in debug sullo stesso venga registrata una chiamata
entrante.
- - - -
chiamato:
CISCO 2610: 12.0(5)T1, REL. fc1
1 Ethernet
1 Serial (WIC-1T)
8 terminal lines ('int Async' - MCOM Integrated Modem Controller)
*** aggiunta ISDN (WIC-1B-S/T) ***
chiamante:
CISCO 1000: 11.1(5), REL. fc1
1 Ethernet
ISDN (WIC-1B-S/T)
- - - -
Si noti che:
1) il problema è sulle chiamate in ingresso: tutte le chiamate uscenti
dal router via BRI0/0 vanno infatti a buon fine;
2) la borchia è una banalissima NT1Plus con configurazione
punto/multipunto ed utilizza solo una porta dgt: ho fatto controllare
ben tre volte da Telecom Italia - FullBusinessCompany (191) e non è
stata riscontrata alcuna anomalia;
3) noto che chiamando da un telefono il n. della borchia sento il tono
di 'libero' (TUUUT,PAUSA,TUUUT, =8P ), mentre su tutti i router
precedentemente configurati non avevo alcuna risposta e dopo 5 secondi
cadeva la linea (TUT-TUT-TUT rapido); il 191 ovviamente dice che tutto è
ok;
4) sostituita patch ISDN originale Cisco con banale RJ-45 UTP e variata
porta su borchia;
5) sul CISCO 1000 effettuo normalmente decine di chiamate via BRI su
router analoghi (di cui cito un paio di 3600) e non ho mai avuto
problemi;
6) ho variato sul CISCO 2610 il profilo da BRI0/0 a BRI0/0 (no ip
address) + Dialer0 con 'dialer pool-member 1': le chiamate verso
l'esterno vengono effettuate correttamente;
- - - -
CISCO 2610
no service pad
service timestamps debug datetime
service timestamps log datetime
no service password-encryption
hostname routerXY
enable secret 5 password1
enable password 5 password2
username modem password 0 password3
username router_remoto password 0 password4
ip subnet-zero
no ip domain-lookup
isdn switch-type basic-net3
isdn tei-negotiation first-call
process-max-time 200
interface Tunnel0
 description Tunnel REMOTO
 bandwidth 1024
 ip address 10.10.10.1 255.255.255.0
 no ip directed-broadcast
 tunnel source ip_eth_locale
 tunnel destination ip_eth_remota
interface Ethernet0/0
 ip address ip_eth_privato 255.255.255.0 secondary
 ip address ip_eth_pubblico 255.255.255.224
 no ip directed-broadcast
 ip nat inside
interface BRI0/0
 no ip address
 no ip directed-broadcast
 encapsulation ppp
 no ip route-cache
 no ip mroute-cache
 dialer pool-member 1
 isdn switch-type basic-net3
 no fair-queue
 compress stac
 ppp callback accept
 ppp authentication chap callin
interface Serial0/0
 bandwidth 1024
 no ip address
 no ip directed-broadcast
 encapsulation frame-relay
 no fair-queue
 cdp enable
interface Serial0/0.1 point-to-point
 description HDSL verso xxx
 bandwidth 1024
 ip address ip_seriale_pubblico 255.255.255.224
 no ip directed-broadcast
 ip nat outside
 frame-relay interface-dlci n_dlci IETF
interface Group-Async1
 ip unnumbered Ethernet0/0
 no ip directed-broadcast
 encapsulation ppp
 async mode interactive
 no peer default ip address
 ppp authentication pap chap callin
 group-range 33 40
interface Dialer0
 description QUESTA MI DA IL PROBLEMA IN INGRESSO!!!
 ip address 8.0.0.17 255.0.0.0
 no ip directed-broadcast
 encapsulation ppp
 no ip route-cache
 no ip mroute-cache
 dialer remote-name router_remoto
 dialer idle-timeout 180
 dialer string 051123456789 class cliente
 dialer pool 1
 dialer-group 1
 no fair-queue
 pulse-time 0
 compress stac
 no cdp enable
 ppp callback accept
 ppp authentication chap callin
ip nat inside source list 101 interface Ethernet0/0 overload
ip classless
ip route 0.0.0.0 0.0.0.0 Serial0/0.1
ip route subnet_eth_remota 255.255.255.0 Tunnel0
no ip http server
map-class dialer cliente
 dialer callback-server username
access-list 1 permit 0.0.0.0 0.0.0.0
access-list 10 permit subnet_eth_privato 0.0.0.255
access-list 101 permit ip subnet_eth_privato 0.0.0.255 any
access-list 101 permit ip subnet_eth_remota 0.0.0.255 any
dialer-list 1 protocol ip permit
banner motd ^
    CLIENTE (I) - VIETATO L'ACCESSO NON AUTORIZZATO
^C
line con 0
 transport input none
line 33 40
 autoselect ppp
 login local
 modem InOut
 modem autoconfigure type microcom_hdms
 transport input all
 flowcontrol hardware
line aux 0
line vty 0 4
 access-class 10 in
 exec-timeout 0 0
 password password5
 login
end
- - - -
CISCO 1000
username routerXY password password4
interface BRI0
 dialer map ip 8.0.0.17 name routerXY 051987654321
 no ip directed-broadcast
 encapsulation ppp
 no ip route-cache
 dialer idle-timeout 30
 dialer fast-idle 10
 dialer enable-timeout 5
 dialer-group 1
 compress stac
 ppp callback request
 ppp authentication chap
no ip classless
no cdp run
dialer-list 1 protocol ip list 101
ip route subnet_eth_privato 255.255.255.0 8.0.0.17
- - - -
Attivando:
- debug isdn q931
- debug isdn events
- debug ppp auth
- - - -
*** CHIAMANTE CISCO 1000 ***
router_remoto#ping 8.0.0.17
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echoes to 8.0.0.17, timeout is 2 seconds:
Jun  3 13:13:33: ISDN BR0: Event: Call to 051987654321 at 64 Kb/s
Jun  3 13:13:33: ISDN BR0: TX ->  SETUP pd = 8  callref = 0x32
Jun  3 13:13:33:         Bearer Capability i = 0x8890
Jun  3 13:13:33:         Channel ID i = 0x83
Jun  3 13:13:33:         Called Party Number i = 0x80, '051987654321'
Jun  3 13:13:34: ISDN BR0: RX <-  CALL_PROC pd = 8  callref = 0xB2
Jun  3 13:13:34:         Channel ID i = 0x8A
Jun  3 13:13:34: ISDN BR0: received HOST_PROCEEDING
        Channel ID i = 0x0102
Jun  3 13:13:34:        -------------------
        Channel ID i = 0x8A.....
Success rate is 0 percent (0/5)
... e dopo 30 secondi...
Jun  3 13:14:02: ISDN BR0: RX <-  DISCONNECT pd = 8  callref = 0xB2
Jun  3 13:14:02:         Cause i = 0x8090 - Normal call clearing
Jun  3 13:14:02:         Facility i =
0x91A10F0202009306060400826701010201FF
Jun  3 13:14:02: ISDN BR0: received HOST_DISCONNECT
Jun  3 13:14:02: ISDN BR0: Event:  Call to 051987654321 was hung up.
Jun  3 13:14:02: ISDN BR0: TX ->  RELEASE pd = 8  callref = 0x32
Jun  3 13:14:02:         Cause i = 0x80E31C - IE not implemented
Jun  3 13:14:02: ISDN BR0: RX <-  RELEASE_COMP pd = 8  callref = 0xB2
NOTATE:
*** Cause i = 0x80E31C - IE not implemented ***
- - - -
CHIAMATO CISCO 2610
*Mar  3 14:40:04: ISDN BR0/0: L1 is IF_ACTIVE
*Mar  3 14:40:04: ISDN BR0/0: Recvd MPH_EI2_IND from L1
*Mar  3 14:40:04: ISDN BR0/0: RX <-  SETUP pd = 8  callref = 0x36
*Mar  3 14:40:04:         Sending Complete
*Mar  3 14:40:04:         Bearer Capability i = 0x8890
*Mar  3 14:40:04:         Channel ID i = 0x89
*Mar  3 14:40:04:         Calling Party Number i = 0x2183,
'051123456789'
*Mar  3 14:40:04:         Called Party Number i = 0xA1, '051987654321'
*Mar  3 14:40:04: ISDN BR0/0: Incoming call id = 0x7, dsl 0
*Mar  3 14:40:04: ISDN BR0/0: received HOST_INCOMING_CALL call_id 0x7
*Mar  3 14:40:04: ISDN BR0/0: HOST_INCOMING_CALL: voice_answer_data =
FALSE
*Mar  3 14:40:04: ISDN BR0/0: Event: Received a DATA call from
051123456789 on B1 at 64 Kb/s
*Mar  3 14:40:04: %DIALER-6-BIND: Interface BRI0/0:1 bound to profile
Dialer0
*Mar  3 14:40:04: ISDN BR0/0: RM returned call_type 0 resource type 0
*Mar  3 14:40:04: ISDN BR0/0: isdn_send_connect(): msg 4, call id 0x7,
ces 1 bchan 0, call type DATA
*Mar  3 14:40:04: %LINK-3-UPDOWN: Interface BRI0/0:1, changed state to
up
*Mar  3 14:40:04: %ISDN-6-CONNECT: Interface BRI0/0:1 is now connected
to 051123456789
*Mar  3 14:40:04: BR0/0:1 PPP: Treating connection as a callin
*Mar  3 14:40:04: %ISDN-6-LAYER2UP: Layer 2 for Interface BR0/0, TEI 65
changed to up
*Mar  3 14:40:04: ISDN BR0/0: TX ->  CALL_PROC pd = 8  callref = 0xB6
*Mar  3 14:40:10: %ISDN-6-CONNECT: Interface BRI0/0:1 is now connected
to 051123456789
... e dopo 30 secondi...
*Mar  3 14:40:28: BR0/0:1 PPP: Treating connection as a callin
*Mar  3 14:40:28: %DIALER-6-UNBIND: Interface BRI0/0:1 unbound from
profile Dialer0
*Mar  3 14:40:28: ISDN BR0/0: Event: Hangup call to call id 0x7
*Mar  3 14:40:28: ISDN BR0/0: process_disconnect(): call id 0x7, call
type is DATA, b_idb 0x80B55F44, ces 1
*Mar  3 14:40:28: %ISDN-6-DISCONNECT: Interface BRI0/0:1  disconnected
from 051123456789 , call lasted 24 seconds
*Mar  3 14:40:28: ISDN BR0/0: TX ->  DISCONNECT pd = 8  callref = 0xB6
*Mar  3 14:40:28:         Cause i = 0x8090 - Normal call clearing
*Mar  3 14:40:28: ISDN BR0/0: RX <-  RELEASE pd = 8  callref = 0x36
*Mar  3 14:40:28: ISDN BR0/0: TX ->  RELEASE_COMP pd = 8  callref = 0xB6
*Mar  3 14:40:28: ISDN BR0/0: received HOST_DISCONNECT_ACK call_id 0x7
*Mar  3 14:40:28: ISDN BR0/0: HOST_DISCONNECT_ACK: call type is DATA
*Mar  3 14:40:28: %LINK-3-UPDOWN: Interface BRI0/0:1, changed state to
down
*Mar  3 14:40:28: ISDN BR0/0: received HOST_DISCONNECT_ACK call_id 0x7
*Mar  3 14:40:28: ISDN BR0/0: HOST_DISCONNECT_ACK: call type is DATA
*Mar  3 14:40:43: %ISDN-6-LAYER2DOWN: Layer 2 for Interface BR0/0, TEI
65 changed to down
- - - -
In tutto questo, scusandomi per la mole di informazioni, non riesco a
pingare l'ip della BRI del router remoto SE LA CHIAMATA E' USCENTE (1000
-> 2610); tutto ok SE LA CHIAMATA E' USCENTE (2610 -> 1003).
- - - -
Grazie a chi volesse contribuire a risolvere tale problematica.
Enrico DINELLI
echo "reboot" > /etc/rc.local | reboot
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P.S.: ho reperito anche le seguenti info
http://www.cisco.com/warp/public/129/isdn_disc_code.html
Cause i = 0x80E31C - IE not implemented
***
80
Normal Disconnect
The call has been disconnected normally
E3
IE not implemented
The remote equipment receives a message that includes information
elements, that are not recognized.
This cause indicates that the equipment sending this cause has received
a message that includes information elements not recognized because the
information element identifier is not defined or it is defined but not
implemented by the equipment sending the cause. However, the information
element is not required to be present in the message in order for the
equipment sending the cause to process the message.
This is due to a D-channel error. If the error occurs systematically,
report it to your ISDN service provider.
1C
Viene rivelato come 'optional code'.
- - - -
Proverò appena possibile a rimuovere la scheda 8 modem MicroCOM.
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