From: Michael Snyder (msnyder@xxxxxxx)
Date: Mon May 27 2002 - 13:02:53 GMT-3
Thinking about getting me a pair of 827-4V's. We have a plain 827 in
our office, and the IOS seems mostly intact. I mean it runs IOS and
most of the commands seem to be there. See bottom for sample 827
config.
They are going for about $750, new on the internet. Which is much
cheaper than adding voice to a 2600 or a 3600.
Figure I can run the voip traffic out of the Ethernet interface, back to
back, or thru my other routers.
The DSL/ATM interface would be useless in a home lab, unless you are
going to use DSL anyway to connect to the internet. Wonder if I could
get a dsl provider to provide two lines, and by the way, point those atm
pvc's back at each other.
Side Note - Also wonder if anyone is replacing private T1's with private
DSL circuits. There's no reason anyone running a ATM cloud couldn't
transport atm pvc traffic coast to coast, starting at a dsl router and
ending at a dsl router. By passing the phone company and the internet
completely, but still have the new cheaper technology.
Any chance anyone knows how to do DSL/ATM back to back without a DSLAM?
It would suck a bit, to have atm interfaces that you couldn't use, in a
home lab where it could be nice to have atm running.
Maybe Simline could come out with a two port DSL emulator. That would
be sweet. A pair of 827-4V's that you could do both voip and atm on. I
sense a business opportunity.
Anyway, anyone else thinking about using the 827-v4 in their lab to do
voip?
http://www.nextag.com/Cisco_827_4V_Adsl~413652z3znzzz1zmainz2-htm
Below is the config that came on our 827 from the DSL provider. I have
edited out our information.
version 12.1
no service single-slot-reload-enable
no service pad
service tcp-keepalives-in
service timestamps debug uptime
service timestamps log uptime
service password-encryption
!
hostname asdf
!
logging rate-limit console 10 except errors
!
ip subnet-zero
no ip source-route
no ip finger
!
no ip dhcp-client network-discovery
!
!
!
interface Ethernet0
ip address 192.168.1.1 255.255.255.0
ip adjust-mss 1452
ip nat inside
ip tcp adjust-mss 1452
no cdp enable
!
interface ATM0
no ip address
no atm ilmi-keepalive
pvc asdf 1/132
encapsulation aal5mux ppp dialer
dialer pool-member 1
!
bundle-enable
dsl operating-mode auto
!
interface Dialer1
ip address negotiated
ip mtu 1492
ip nat outside
encapsulation ppp
ip tcp adjust-mss 1452
dialer pool 1
dialer string adsl
dialer-group 1
no cdp enable
ppp pap sent-username asdf pass 0 changed
!
ip classless
ip route 0.0.0.0 0.0.0.0 Dialer1
no ip http server
!
ip nat inside source list 101 interface Dialer1 overload
access-list 101 permit ip 192.168.1.0 0.0.0.255 any
dialer-list 1 protocol ip permit
no cdp run
!
line con 0
exec-timeout 120 0
transport input none
stopbits 1
line vty 0 4
exec-timeout 0 0
login
length 0
!
scheduler max-task-time 5000
end
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