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New Member

Multilink PPP -- CBAC, NAT, cache flow commands get applied where?

Switching to multilink ppp for our two serial interfaces, T1 lines, on a 3725 router with 12.3(7)T IOS. I understand that the ACLs we currently have applied to the serial interfaces get applied instead to the logical multilink interface. What about the CBAC, NAT, and cache-flow commands we currently have applied to each serial interface -- do they also now get applied to the logical multilink interface?

The commands are:

ip inspect <fw name> out

ip nat outside

ip route cache-flow

(Can't find answers in TAC docs, at least from docs my searches turned up.)

Thanks.

1 ACCEPTED SOLUTION

Accepted Solutions
Hall of Fame Super Bronze

Re: Multilink PPP -- CBAC, NAT, cache flow commands get applied

All commands should be applied to the multilink interface since this interface will contain the IP address information.

The bundle serials won't have any IP information and they will function just as layer2 interfaces hence any IP service will be discarded.

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Please rate helpful posts.

Thanks

2 REPLIES
Hall of Fame Super Bronze

Re: Multilink PPP -- CBAC, NAT, cache flow commands get applied

All commands should be applied to the multilink interface since this interface will contain the IP address information.

The bundle serials won't have any IP information and they will function just as layer2 interfaces hence any IP service will be discarded.

---

Please rate helpful posts.

Thanks

New Member

Re: Multilink PPP -- CBAC, NAT, cache flow commands get applied

Great, thanks. We're all set then, hopefully :-)

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