Of course, if you're in the UK, you are (I think) probably using ETSI ISDN,
so the physical config would actually be something like...
controller E1 0
clock source line primary
pri-group timeslots 1-31
interface Serial0:15
isdn switch-type primary-net5
! rest of interface config...
That's from an AS5300 running 12.2 - you may want to check that the defaults
for framing etc match the 2611XM and your IOS.
Dunno about the UK, but here it's possible to purchase PRI services in 10,
20 or 30 channels. I assume that's what you're referring to with 15 channels?
JMcL
Dave Madland wrote:
Robert Bentley wrote:
Hi
I'm slowly getting my teeth into the world of cisco - but I am
struggling to
set up the following.
I have two Cisco 2611XM routers, each with a serial card and a
PRI card.
I have set up the serial interfaces with a 30 bit IP address
range, and the
2Mb serial link works well. I would now like to setup the PRI
interfaces, to
connect if ever the serial link fails. I have done this before
with BRI
ISDN, but not with PRI. The plan is to get all 15 channels to
come into use,
giving me 15x64k=1Mb link (approx)
I can't find any examples on the cisco site - they all talk
about a PRO
dialling multiple BRI's.
Can anyone assist with two sample configurations, showing the
simplest way
to achieve this?
Many Thanks,
Rob Bentley
Bournemouth, UK
You configure the PRI's roughly the same as two BRI's. You
won't find
it on CCO, at least I didn't either a few years back when I
multilinked
4 PRI'a together. Also you have 24 channels in a PRI not 15.
controller T1 1/0
framing esf
linecode b8zs
pri-group timeslots 1-24
!
interface Serial1/0:23
ip address 4.1.1.1 255.255.255.0
no ip directed-broadcast
encapsulation ppp
dialer idle-timeout 300
dialer string 3599327
dialer load-threshold 3 either
dialer-group 1
isdn switch-type primary-ni
fair-queue 64 256 0
ppp authentication chap
ppp multilink
no ppp multilink fragmentation
OTHER SIDE:
controller T1 1/0
framing esf
linecode b8zs
pri-group timeslots 1-24
!
interface Serial1/0:23
ip address 4.1.1.2 255.255.255.0
no ip directed-broadcast
encapsulation ppp
dialer load-threshold 3 either
dialer-group 1
isdn switch-type primary-ni
fair-queue 64 256 0
ppp authentication chap
ppp multilink
no ppp multilink fragmentation
Dave
--
David Madland
CCIE# 2016
Sr. Network Engineer
Qwest Communications
612-664-3367
Emotion should reflect reason not guide it
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7i=74692t=74433
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