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Cisco 800
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02-07-2001 1:55pm#1<font face="Verdana, Arial" size="2">Originally posted by Canaboid:
Can't help ya with the problem Eric, sorry.
However you may be able to help me
I have an 800 on my desk here which i want to use at home. Any ideas on a config to connect to eircom's free dial up ?</font>
SAMPLE router configuration for Multi User Isdn.
Cisco-EIRCOM NET, Multi-user ISDN
no service finger
service password-encryption
no service udp-small-servers
no service tcp-small-servers
hostname
enable password router password This is the router password NOT the Eircom net password
*isdn switch-type basic-net3 (1)
ip subnet-zero
no ip source-route
interface Ethernet0
description Local LAN interface
*ip address 195.7.xxx.xxx 255.255.255.240 (2) router address on your LAN
* no ip directed-broadcast (3)
interface BRI0
description ISDN link to TINET
*ip unnumbered Ethernet0 (4)
*encapsulation ppp (5)
dialer idle-timeout 180 hang up after 3 inactive minutes
*dialer string 1891150150 (6)
dialer hold-queue 10 queue packets before dialling
*dialer load-threshold 255 (7) Maximum load threshold
dialer-group 1 see dialer-list below
*ppp authentication chap callin (8)
* ppp chap hostname (9)Username for connecting to eircom net
*ppp chap password (10) your Eircom net password
* ip name-server 159.134.237.6 (11)
* ip name-server 159.134.237.59 (11)
* ip classless (12)
no ip route-cache (13)
* ip route 0.0.0.0 0.0.0.0 BRI0 (14) send all traffic over isdn
dialer-list 1 protocol ip list 101 (15) allows access list 101 to dial
access-list 101 permit ip195.7.xxx.xxx 0.0.0.15 any (16) only IP traffic permitted
no snmp-server
line con 0
exec-timeout 5 0
line aux 0
transport input none
line vty 0 4
access-class 1 in
exec-timeout 5 0
password routerconsolepassword
(1) ISDN switch-type basic-net 3
This is the switch type that needs to configured to allow the router to establish
a connection .
(2) ip address 213.190.xxx.xxx 255.255.255.240
This is the IP address and the subnet mask that should be assigned to the ethernet
interface. The first available IP address from your range should be added here.
(3) no ip direct-broadcast
This command stops the client from responding to a possible DOS (Denial of Service)
attack and also stops client broadcasts from bringing up the line.
(4) ip unnumbered Ethernet0
This command is added to the brio interface as an ip address is not needed for this
interface, this commands tells the interface to use the ip address from the
Ethernet interface .
(5) Encapsulation ppp
Encapsulation takes packets or frames from one network system and places them
inside frames from another network system. This command has to be applied to the brio interface.
The Encapsulation type used to connect over an ISDN line is PPP
(6)dialer string 1891150150
The number that your router must dial for internet access.
(7)dialer load threshold 255
This is the command that keeps the second ISDN channel from coming up straight away.
If you have dual channel access you need to set the threshold to 1-130 instead of 255.
Setting the load to 1-130 sets the maximum load before the dialer places another call
through the second b channel. The command ppp multilink will also have to be added to
the router configuration if a second channel is to be used.
(8)ppp authentication chap callin
The protocol that has to be used to allow the router to connect. If PAP is configured the
router will not connect. CHAP is the authentication type used by Eircom Net.
9)ppp chap hostname
This is the Username for the eircom net dial up account.
10)ppp chap password
This is the password for the eircom net dial up account.
(11)ip name servers
These are the eircom net dns servers.
(12)ip classless
This command forwards packets to a network that has no network default route
It allows the router to establish a connection with ip addresses from the eircom
range. If this command is not added you will be unable to connect to any
eircom sites and will also be unable to collect smtp mail if they are using this service.
(13)no ip route-cache
ip route-cache this command enables fast switching on the cisco router. It is advisable
to include this command in the configuration for load balancing, but only if it is a Dual
Channel account (128 kps), if you have a single channel account (64Kps) then you would
use no ip route-cache.
(14)ip route 0.0.0.0 0.0.0.0 bri0
This ip route command creates a default route to the Eircom network via the remote
router's BRI interface. This also allows the clients to send traffic through the brio interface.
(15)dialer-list 1 protocol ip list 101
The dialer-group 1 command enables the dialer-list 1 on the BRI interface, which
determines which packets activate the ISDN connection.
(16) access-list 101 permit ip195.7.xx.xxx 0.0.0.15 any
Access lists can permit certain ip addresses to connect while denying other ip
addresses from connecting to the internet. If you are having problems connecting
you should temporarily remove the access lists to eliminate them as the cause of
the problem.
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Comments
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Thats really cool info guys. Big thanks.
But alas, even after setting the Dialer idle-timeout to 300, it keeps going back to 180! It tells me that SYS-5-CONFIG_I: Configured from console by console, so I think I have saved these details. But im still getting that problem, maybe im doing something completely arseways (asif!!)
If you can help further, It'd be great. Thanks.0 -
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