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PRI serial link problem

trinawong
Level 1
Level 1

Hi All,

Please advice why PRI serial link shows 'up down', but still can observe active ISDN call and E1 controller status is fine.

Serial3/0:14 unassigned YES unset down down

Serial3/0:15 unassigned YES NVRAM up down

R1#sh isdn a

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

ISDN ACTIVE CALLS

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

Call Calling Called Remote Seconds Seconds Seconds Charges

Type Number Number Name Used Left Idle Units/Currency

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

In 1111111111 5000 4444 Unavail -

In 1111111112 5000 1117 Unavail -

In 1111111113 5000 681 Unavail -

In 1111111114 5000 27 Unavail -

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

Thanks,

2 Replies 2

spremkumar
Level 9
Level 9

hi

Can you post the configuration of your box as well the o/p of show controllers ?

regds

Hi,

interface Serial3/0:15

no ip address

ip access-group 157 in

encapsulation ppp

dialer rotary-group 1

dialer-group 1

isdn switch-type primary-net5

isdn incoming-voice modem 64

no fair-queue

no cdp enable

!

interface Group-Async1

ip unnumbered Loopback0

ip access-group 100 in

encapsulation ppp

dialer in-band

dialer idle-timeout 3600

dialer-group 1

async dynamic routing

async mode interactive

peer default ip address pool pool0

ppp authentication chap pap

group-range 1 30

!

interface Dialer1

ip unnumbered Loopback0

ip access-group 160 in

encapsulation ppp

no ip mroute-cache

dialer in-band

dialer idle-timeout 360

dialer-group 1

peer default ip address pool pool0

no fair-queue

no cdp enable

ppp authentication pap chap

ppp multilink

R1#sh contr e1

E1 3/0 is up.

Applique type is Channelized E1 - balanced

No alarms detected.

alarm-trigger is not set

Framing is NO-CRC4, Line Code is HDB3, Clock Source is Line.

Data in current interval (57 seconds elapsed):

0 Line Code Violations, 0 Path Code Violations

0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins

0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs

Total Data (last 24 hours)

0 Line Code Violations, 0 Path Code Violations,

0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins,

0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs

Thanks