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-   -   Interface NVI0 (http://www.computerforums.org/forums/networking-dns/interface-nvi0-150635.html)

DJ-CHRIS 09-07-2006 07:23 PM

Interface NVI0
 
So, i was just wonderign what this was, this is a cut from my run command. It's a 10 gig interface on my router, and not a local loopback.

Quote:

CiscoGateway#show interface
NVI0 is up, line protocol is up
Hardware is NVI
MTU 1514 bytes, BW 10000000 Kbit, DLY 0 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation UNKNOWN, loopback not set
Last input never, output never, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out

systeq 09-15-2006 02:43 PM

Re: Interface NVI0
 
Quote:

Originally Posted by DJ-CHRIS
So, i was just wonderign what this was, this is a cut from my run command. It's a 10 gig interface on my router, and not a local loopback.

Straight from Cisco...

http://www.cisco.com/en/US/products/...08041d91a.html

The NAT Virtual Interface (NVI) feature removes the requirement to configure an interface as either Network Address Translation (NAT) inside or NAT outside. An interface can be configured to use NAT or not use NAT.

NVI allows traffic between overlapped VPN routing/forwarding (VRFs) in the same Provider Edge (PE) router, and traffic from inside to inside between overlapping networks.

DJ-CHRIS 09-15-2006 04:28 PM

Re: Interface NVI0
 
Thanks for the reply, i did try googling and cisco before but that didnt help (Probolly cuz i was dumb and i entered in the interface number as well).

I was origionally thinking it was a null interface to dispose packets, but it's never seen a packet in it's life

systeq 09-15-2006 04:34 PM

Re: Interface NVI0
 
i knew it referenced a virtual interface but didnt put NAT and NVI together til i ran across the cisco reference


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