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New Member

877W - Lost SDM access

My new 877W router was configured by a technitian using command line interface. As a consequence I have now lost the use of the SDM program that came with the router.

The error message says that http/https access must have been disabled.

Not being too familiar with IOS commands I am not even able to change the original username and password (which warries me greatly).

Can any advise how I can get the use of the SDM program back on this router? Will greatly appreciate any help


New Member

Re: 877W - Lost SDM access


Here what you can do,

1- Get a connection to router console

You can use following link how can you do this,

2- Router> ena

This will get you to privilidge mode. If it asks for a password enter password.

3- Router# conf t

This will get you to Configuration mode

4- Router(config)# ip http server

5- Router(config)# ip http secure-server

These commands will enable HTTP and HTTPS

6- Router(config)# end

7- Router# copy run start

You can find more information about SDM by clicking the following link

New Member

Re: 877W - Lost SDM access


Thanks for your suggestion. It still doesn't work. It appears there are some discrepencies in ip settings in the configurstion.

Here is a copy of the config settings. For obvious reasons I have removed or blocked out the security info.

Any ideas what is wrong with this config?

Current configuration : 4847 bytes


version 12.4

no service pad

service timestamps debug datetime msec

service timestamps log datetime msec

no service password-encryption


hostname yourname





logging buffered 51200 warnings


no aaa new-model


resource policy


ip subnet-zero

ip cef

no ip dhcp use vrf connected

ip dhcp excluded-address


ip dhcp pool sdm-pool

import all



lease 0 2



no ip domain lookup

ip domain name



crypto pki trustpoint

username cisco privilege 15 secret xxx

username <******> privilege 15 secret 5 <***********************>.






interface ATM0

no ip address

no atm ilmi-keepalive

dsl operating-mode auto


interface ATM0.1 point-to-point

pvc 0/100

encapsulation aal5mux ppp dialer

dialer pool-member 1



interface FastEthernet0


interface FastEthernet1


interface FastEthernet2


interface FastEthernet3


interface Dot11Radio0

no ip address


speed basic-1.0 basic-2.0 basic-5.5 6.0 9.0 basic-11.0 12.0 18.0 24.0 36.0 48.0


station-role root


interface Vlan1


ip address

ip nat inside

ip virtual-reassembly

ip tcp adjust-mss 1452


interface Dialer1

ip address negotiated

ip nat outside

ip virtual-reassembly

encapsulation ppp

dialer pool 1

no cdp enable

ppp authentication chap pap callin

ppp chap hostname <*******>

ppp chap password 0 <*******>

ppp pap sent-username <*******> password 0 <********>


ip classless

ip classless

ip route Dialer1


ip http server

ip http access-class 23

ip http authentication local

ip http secure-server

ip http timeout-policy idle 60 life 86400 requests 10000

ip nat inside source list 1 interface Dialer1 overload

ip nat inside source static tcp 443 interface Dialer1 443

ip nat inside source static tcp 25 interface Dialer1 25

ip nat inside source static tcp 80 interface Dialer1 80


access-list 1 permit

access-list 23 permit

no cdp run




banner login ^C


Cisco Router and Security Device Manager (SDM) is installed on this device.

This feature requires the one-time use of the username "cisco"

with the password "cisco". The default username and password have a privilege le

vel of 15.

Please change these publicly known initial credentials using SDM or the IOS CLI

Here are the Cisco IOS commands.

username privilege 15 secret 0

no username cisco

Replace and with the username and password you want to use


For more information about SDM please follow the instructions in the QUICK START

GUIDE for your router or go to




line con 0

login local

no modem enable

line aux 0

line vty 0 4

access-class 23 in

privilege level 15

password cisco


transport input telnet ssh


scheduler max-task-time 5000