PREFIX LISTS
Hi! everybody, Could someone tell me which is the earlieast ios release that supports prefix lists. thanks anil **NOTE: New CCNA/CCDA List has been formed. For more information go to http://www.groupstudy.com/list/Associates.html _ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
IOS-troubles.(may be)
Hi!! everybody, Of late I am facing a strange problem. Im using IOS 12.0 (12.3)(7206 router) &unning ospf . Ifails to redistribute certain routes (not same always) to the neigbors Once I clear ip ospf redistribution it works fine & after random time the problem repeats. Iave tried certain optoins (but no success) Iad faced a similar problem with 3640 router but that was solved after Ihanged the IOS. I shall appreciate yor help. Thanks anil _ FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
SNMP
hi can u please send me any article on snmp, which gives complete detail about it. if u know url please forward it to me. thanks in advance! thanks anil **NOTE: New CCNA/CCDA List has been formed. For more information go to http://www.groupstudy.com/list/Associates.html _ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Can you recommend a good IP addressing book ???
try this link. http://www.3com.com/nsc/501302s.html anil On Tue, 16 May 2000, Circusnuts wrote: > Can anyone recommend a IP addressing book that is good for the remedial & for >teaching others (I have the 3Com stuff already)... > > Thanks !!! > Phil > ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Whitepaper BGP Part One ?
Let me too know ab't the same... thanks On Thu, 1 Jun 2000, Hans Schimek wrote: > Hi ! > > does anybody have the whitepaper BGP Part ONE ? > > thanx > hans > > ___ > UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html > FAQ, list archives, and subscription info: http://www.groupstudy.com > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] > ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: ip unnumbered
So can I use the command interface serial 1 ip unnumbered serial 0 Anil so as to assifgn same ip address to the two serial interfaces. On Tue, 6 Jun 2000, ALI SHEERAZ wrote: > > The "ip unnumbered" configuration command allows you to enable IP processing > on a serial interface without assigning it an explicit IP address. This is a > good way to conserve network and address space. > > Consider a class B network subnetted with eight bits. Every interface in the > network including the serial lines will require a subnet. Since each serial > line has only two nodes, this wastes 252 addresses on each serial line. > Here's where IP unnumbered comes in handy. For any point-to-point serial > link or point-to-point sub- interface, IP unnumbered lets you borrow the > address of some LAN interface to use as a source address for routing updates > and packets from that interface. No network is wasted, and precious address > space is conserved. > > IP Unnumbered is used for point-to-point links. > > > Command Syntax > --- > > interface Ethernet0 > ip address 171.68.178.196 255.255.255.192 > interface Serial1 ip unnumbered Ethernet0 > > router igrp 10 network 171.68.0.0 > > > >Hi fellows > >could anybody explain to me what "ip unnumbered" command is, and how it is > >used? > >thanks in advance. > > > Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com > > ___ > UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html > FAQ, list archives, and subscription info: http://www.groupstudy.com > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] > ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: collision on cut-through switch
How to avoid late collisions ? thanks Anil On Tue, 20 Jun 2000, Heskett, Tony wrote: > > Not a white paper, but let's see whether *I* understand > how it's supposed to work > > Cut-thru waits for the dest addy, then starts forwarding. > > Frag-free waits for 64bytes, then starts forwarding. > > Store'n'forward waits for the whole packet and CRC's it, > so will only forward truly valid (tm) packets. > > Sooo... cut-thru will forward runts, and you'll get > those if there's a collision after the dest addy but > within the first 64. > > Frag-free will /not/ forward runts, so will protect > you from collisions that really should have happened. > It won't protect you from 'late collisions' (that > shouldn't have happened), but you're gonna fix your > cable plant to remedy those (aren't you? :-) > > Or am I lying ? :-) > > (big quote for context, below; sorry) > > Tone > > > From: Barry Hofland [mailto:[EMAIL PROTECTED]] > > > Hi, Priscilla, > > > > I think the best way to find this out is to just get yourself > > a network > > tester to connect between the transmitting host on port 1 and > > the CISCO box. > > ( like a FLUKE ) You will be able to see ( or not ) the JAMS > > on port 1. When > > you connect the host in that segment only and there's a jam during a > > collision on port 2 you know enough... > > > > In my humble opinion you are right, but that's male intuition ;-) > > > Priscilla Oppenheimer <[EMAIL PROTECTED]> wrote in message > > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > > > > I got into a discussion with a knowledgeable Sniffer > > instructor recently. > > > When he teaches cut-through-switching theory, he warns his > > students that a > > > cut-through switch does not really isolate collision > > domains. Consider this example: > > > > > > * The switch is receiving a frame from port 1 destined for > > a station out > > > port 2. > > > * The switch recognizes the destination address and starts > > forwarding the > > > frame to port 2 ASAP. > > > * There is a collision on port 2. (It's a shared and/or half-duplex > > Ethernet.) > > > > > > According to the instructor, the Switch sends a jam signal > > back to port 1 > > > to let the initial sender know that the frame experienced a > > collision. > > This > > > allows the sender to retransmit. > > > > > > If you read some of the books on switching, you would think > > that this is > > > true. The books make it sound like the frame is passing > > through the switch > > > and disappearing out the destination port as soon as the destination > > > address is recognized. > > > > > > I don't think the Sniffer instructor's conclusion is true, > > however. I > > > believe that a Cisco cut-through switch buffers the frame > > and hence has > > the > > > ability to retransmit. There is no requirement to send a jam to the > > > original sender because port 2 in our example retransmits > > after sensing > > the > > > collision. > > > > > > I believe that Cisco switches store frames, even when doing > > cut-through, > > > whereas the instructor assumed that the frame has passed > > through and out > > > the port and is no longer available for retransmission by > > the switch. > > > > > > Cisco positions cut-through as reducing delay, not reducing > > the need for > > > buffering, so I'm contending that I'm right. > > > > > > Who do you think is right? Can you point me to any white > > papers that would > > > prove who is right? > > ___ > UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html > FAQ, list archives, and subscription info: http://www.groupstudy.com > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] > ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Serial0 is up, line protocol is down!
Hi!! everybody I'm facing a starnge problem. Even if I put a physical loop oan the serial interface my protocol doesn't come up it shows me something like this Serial1 is up, line protocol is down (looped) tried varios options but doesn' help. thanks anil On Fri, 23 Jun 2000, Omer Shommo wrote: > Hello to All, > > If Serial0 is up, line protocol is down, then what should I check? Give me as many >answers as you can. > > BTW what is the line protocol? is it a network protocol like ip, ipx? or is it the >data link layer protocol? > > Omer > > > ___ > Why pay for something you could get for free? > NetZero provides FREE Internet Access and Email > http://www.netzero.net/download/index.html > > ___ > UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html > FAQ, list archives, and subscription info: http://www.groupstudy.com > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] > ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: Serial0 is up, line protocol is down!
I'm doing this loopback test on the back side of interface, its aphysical loop. earlier I thought it could be because of different protocols being used at the other end of the serial link. thanks. On Tue, 4 Jul 2000, Mike Narine wrote: > How are you connecting? Are the routers back-to-back or are you connecting > to a Frame/T1/etc? > Make sure your encaps are the same (do a show int s0 to verify). Also, are > both ends showing the same stats for the Serial interface. > Line Protocol might not be coming up when there's a loop because the command > "down-when-looped" might be on... check your running cofig. > Good luck. > > -Mike > > -Original Message- > From: ANIL.YADAV [mailto:[EMAIL PROTECTED]] > Sent: Monday, July 03, 2000 11:23 PM > To: Omer Shommo > Cc: Cisco Group Study > Subject: Re: Serial0 is up, line protocol is down! > > > > Hi!! > everybody > > I'm facing a starnge problem. Even if I put a physical loop oan the serial > interface my protocol doesn't come up it shows me something like this > > Serial1 is up, line protocol is down (looped) > > tried varios options but doesn' help. > > > thanks > anil > > > On Fri, 23 Jun 2000, Omer Shommo wrote: > > > Hello to All, > > > > If Serial0 is up, line protocol is down, then what should I check? Give me > as many answers as you can. > > > > BTW what is the line protocol? is it a network protocol like ip, ipx? or > is it the data link layer protocol? > > > > Omer > > > > > > ___ > > Why pay for something you could get for free? > > NetZero provides FREE Internet Access and Email > > http://www.netzero.net/download/index.html > > > > ___ > > UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html > > FAQ, list archives, and subscription info: http://www.groupstudy.com > > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] > > > > ___ > UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html > FAQ, list archives, and subscription info: http://www.groupstudy.com > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] > ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
