[nsp] Backup on PRI

[Dmitri Kalintsev]

Your router wery well may be out of steam, this with segmentation and
reasembly of packets via many B-channels. Multilink PPP is extremely
resource-hungry. What kind of router is this one and one on the other side?
Check CPU utilization, buffers, etc.

On Tue, Aug 06, 2002 at 06:31:31PM +0800, Nick Kraal wrote:
> We have 6 E1 links between one of our PoPs and need extra bandwidth
> el-pronto to ease congestion before a bandwidth upgrade is commissioned to a
> T3. There is an ISDN PRI between them and would like to use this as a
> temporary E1 dial solution. The PRI dials perfectly but notice that the
> loading between the links is unbalanced -only about 500kbps on the PRI
> Virtual Interface. We use OSPF and have place "maximum-paths 8" in the OSPF
> configuration. Does OSPF loading over 6 links really work? Any ideas?
> 
> Much thanks in advance.
> 
> -nick/
> -----------------------------------------------------------
> 
> controller E1 5/0/7
>  pri-group timeslots 1-31
>  description *** ISDN PRI Temp dial ***
> !
> interface Serial5/0/7:15
>  bandwidth 2048
>  no ip address
>  no ip directed-broadcast
>  ip load-sharing per-packet
>  encapsulation ppp
>  ip route-cache distributed
>  dialer rotary-group 0
>  isdn switch-type primary-net5
> !
> interface Dialer0
>  bandwidth 2048
>  ip address 200.100.200.150 255.255.255.252
>  no ip redirects
>  no ip unreachables
>  no ip directed-broadcast
>  no ip proxy-arp
>  ip load-sharing per-packet
>  encapsulation ppp
>  ip ospf cost 48
>  carrier-delay 1
>  no keepalive
>  dialer in-band
>  dialer rotor best
>  dialer idle-timeout 300
>  dialer load-threshold 1 either
>  dialer-group 10
>  ppp authentication chap
>  ppp multilink
> !
> dialer-list 10 protocol ip permit
> 
> 
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---end quoted text---

-- 
 CCNP, CCDP (R&S)                          Dmitri E. Kalintsev
 CDPlayer@irc               Network Architect @ connect.com.au
 dek @ connect.com.au    phone: +61 3 9674 3913 fax: 9251 3666
 http://-UNAVAIL-         UIN:7150410    cell: +61 414 821 382