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| Gillie 2001-10-09, 6:33 pm |
| Hi,
Could someone please answer this for me:
What PPP feature binds multiple channels to form a single logical channel? 
My head is that full of new info I just can't think of the answer. I'll maybe get it if someone gives me a push in the right direction...CCNA exam on Friday - eek !
Thanks. | |
| dmaftei 2001-10-09, 7:47 pm |
| ppp multilink | |
| Gillie 2001-10-10, 12:58 am |
| That's the one !!!
Thanx. | |
| Retired-Mod 2001-10-12, 3:56 am |
| It really doesn't bind them into one logical channel. By my understanding it load balances the 2 64K channels. You will have BRI0/0:1 and BRI0/0:2 both up and passing traffic when it works. You also need the threshold command to make it work.
Retired | |
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| freak 2001-10-12, 11:45 am |
| great job  | |
| dmaftei 2001-10-16, 6:06 pm |
| quote:
Originally posted by Retired-Mod
By my understanding it load balances the 2 64K channels.
I'm pretty sure you can bundle PRI channels with 'ppp multilink' too. | |
| Retired-Mod 2001-10-17, 3:46 am |
| Yep you can bundle PRIs with the multilink command. We use BRIs at some remote sites for back up and they dial a PRI at one of the core routers with both ends using multilink.
Retired | |
| strikeattack 2001-10-17, 8:51 am |
| Also, MLPPP is not limited to BRI connections. I started using it several years ago with my dial-up ISP server. You need two modems, two phone lines, an ISP that supports MLPPP, and client software that supports MLPPP (Windows). When dial-up was the only viable option for Internet access, it certainly did double the speed... | |
| doctorcisco 2001-10-17, 12:20 pm |
| quote:
Originally posted by strikeattack
Also, MLPPP is not limited to BRI connections. I started using it several years ago with my dial-up ISP server. You need two modems, two phone lines, an ISP that supports MLPPP, and client software that supports MLPPP (Windows). When dial-up was the only viable option for Internet access, it certainly did double the speed...
... but if you double next to nothing, you still have ....
doc | |
| rdavies 2001-10-23, 7:10 am |
| From my understand multilink PPP can be setup on any serial link configured with PPP encapsulation, and an IOS that supports it (I believe it's 10.3 and after, don't quote me on that). Basically you create a virtual interface (Multilink 1), then under each serial interface configure it for "ppp multilink", and the group # "multilink-group 1".
I've used it to combine at least 4 T1's with no problems, and it does load balance them accordingly.
Rich |
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