From: Hunt Lee (ciscoforme3@yahoo.com.au)
Date: Sun Mar 09 2003 - 10:15:09 GMT-3
Hi Group,
I saw the following config from a VoIP config...
RTA --- RTB
PPP
64kbps
Does anyone know what does a Multilink interface do? I have used ppp multilink &
dialer-load threshold under BRI interface to combined 2 x 64k to a faster ISDN link
before, but I have no idea what this Multilink interface do...
interface Multilink1
ip unnumbered Ethernet1/0
no ip directed-broadcast
ip tcp header-compression iphc-format
no ip mroute-cache
fair-queue 64 16 0
no cdp enable
ppp multilink
ppp multilink fragment-delay 10 <---- Also, what does this do?
ppp multilink interleave <---- & this?
multilink-group 1
ip rtp header-compression iphc-format
ip rtp priority 16384 16383 48
!
interface Ethernet1/0
ip address 172.16.110.1 255.255.255.0
no ip directed-broadcast
!
interface Serial1/0
bandwidth 64
no ip address
no ip directed-broadcast
encapsulation ppp
no ip mroute-cache
no fair-queue
clockrate 64000
ppp multilink
multilink-group 1
Any help / ideas would be greatly appreciated.
Regards,
Hunt
> Hi Group,
>
> Does anyone know when one should use "ip split-horizon" for EIGRP?
>
> RTD
> /
> RTA---- RTB
> \
> RTC
>
> RTA, RTB & RTD are using OSPF, while RTA & RTC are both using EIGRP...
>
> RTA & RTC are point-to-point, while..
>
> RTA, RTB & RTD are point-to-multipoint
>
> On the solutions, I was told that I need to use "ip split-horizon" on
> RTC
> outgoing interface (to RTA), why??? I thought we only need to use
this
> command on the hub if it is point-to-multipoint sub-interface...
>
> anyway, here's the config:-
>
> On RTC:-
>
> interface Serial0
> ip address 137.20.200.18 255.255.255.240
> ip nat outside
> encapsulation frame-relay
> ip split-horizon <------ Do we need this???
> no ip mroute-cache
> keepalive 15
> no fair-queue
> frame-relay lmi-type ansi
>
>
> router eigrp 10
> network 137.20.0.0
> no auto-summary
>
>
> And on RTA:-
>
> interface Serial0.1 multipoint
> ip address 137.20.100.34 255.255.255.224
> ip ospf network point-to-multipoint
> frame-relay de-group 1 502
> frame-relay map ip 137.20.100.33 502 broadcast
> frame-relay map ip 137.20.100.35 503 broadcast
> !
> interface Serial0.2 point-to-point
> bandwidth 2000
> ip address 137.20.200.17 255.255.255.240
> frame-relay interface-dlci 504
>
> router eigrp 10
> redistribute ospf 10 metric 2000 100 255 1 1500
> passive-interface BRI0
> passive-interface Ethernet0
> passive-interface Serial0.1
> passive-interface Serial1
> network 137.20.0.0
> no auto-summary
> no eigrp log-neighbor-changes
>
>
> Any help / ideas would be greatly appreciated.
>
> Regards,
> Hunt
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