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=7&i=74448&t=74433 -------------------------------------------------- **Please support GroupStudy by purchasing from the GroupStudy Store: http://shop.groupstudy.com FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html
