Virtual-Access Interface Down

Unanswered Question

Hello everyone.


I have a DSL Implementation with PPP Dialer on my 1841. I have a problem with ISP, in some cases the PVC circuit goes down, then atm interfaces, flaps, after line issue, all interfaces goes UP again less Virtual Access. This is my ATM and Dialer 1 Config:


interface ATM0/0/0
no ip address
no ip mroute-cache
logging event atm pvc state
logging event subif-link-status
no atm auto-configuration
no atm ilmi-keepalive
no atm address-registration
no atm ilmi-enable
!
interface ATM0/0/0.1 point-to-point
no ip mroute-cache
snmp trap link-status
pvc 8/32
  oam-pvc 0
  encapsulation aal5snap
  pppoe-client dial-pool-number 1
!
!
interface Dialer1
mtu 1492
ip address negotiated
ip access-group 111 in
ip nat outside
ip virtual-reassembly
encapsulation ppp
ip tcp adjust-mss 1452
dialer pool 1
no cdp enable
ppp authentication chap callin
ppp chap hostname XXX
ppp chap password XXX
crypto map clientmap


As you can see, IP Addreess is negotiated and after failures, Virtual Access does not get IP from ISP and remains Down.

ATM0/0/0                    unassigned      YES NVRAM  up                    up
ATM0/0/0.1                 unassigned      YES unset  up                    up
NVI0                          10.X.X.X            YES unset  up                    up
Virtual-Access1           unassigned      YES unset  down                  down
Dialer1                        unassigned      YES IPCP   up                    up



The only way to restablish the connection is reloading the router.

My questions are:

1.- How can I avoid virtual-access interface gets without IP?

2.- How can a reset/restablish PPP session without reload the router?


Thanks a lot.

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Dasuntha Dinesh Thu, 06/24/2010 - 06:14

Hi Carlos,


Add below commands to Dialer1 interface & check.


no ip redirects
no ip unreachables

no ip proxy-arp


I hope it'll work after that.


Regards,

Dasuntha

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