[j-nsp] MLPPP link drop brings bundle down

Chris Cappuccio chris at nmedia.net
Mon Mar 26 17:36:27 EST 2007


Well, it turns out that you need ppp multilink fragment delay 500
on the Cisco side to keep mutilink negotiation alive, otherwise the
Cisco switches to non-ML PPP when only one T1 is up, while Juniper
does not...

Michael Wilson brought this to my attention, and the juniper manual
also shows it :)

Ebben Aries [earies at uci.net] wrote:
> I am running the same scenario terminating on a P-AS in L2 mode and have not 
> had any problems regarding the bundle going down if only 1 member T1 goes 
> down.
> 
> By default, only 1 link needs to be up for the bundle to be labeled as up.  
> The amount of minimum links however is a configurable option.
> 
> http://www.juniper.net/techpubs/software/junos/junos82/swconfig82-services/html/link-services-config10.html
> 
> Do you have a copy of your mlppp config ?


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