Re: CCIE prep book [7:50]
Hi All, Yes, I was among the reviewers of this book and overall I was quite impressed. They covered a good variety of scenarios in each of the essential areas. It is a recommendable supplement to studying for the CCIE lab (along with my own Cisco book, I will boldly add!). However as you all know a good 80% of the CCIE prep work is lab work coupled with hands-on work experience. Best of luck, Cormac Long --- Alec Smiths wrote: > Hi all, > > Do you have any opinions about the book "CCIE Lab > Practice Kit" Book+CD Satterlee & Hutnik ? > > Regards, > > Alec, > > __ > Do You Yahoo!? > Get email at your own domain with Yahoo! Mail. > http://personal.mail.yahoo.com/ > FAQ, list archives, and subscription info: > http://www.groupstudy.com/list/cisco.html > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] = http://www.cormaclong.com __ Do You Yahoo!? Get email at your own domain with Yahoo! Mail. http://personal.mail.yahoo.com/ Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=204&t=50 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: Variance Question
A variance of 2 means that you will use the best path any any other path that is less than twice the best metric. In the case of 2 paths, you will then send twice as much traffic over the better path. BE VERY CAREFUL with variance, how it's implemented depends on whether the router is process switching or fast switching. For process switching, two packets are sent on the better path for every one packet on the other path. For fast switching, twice as many destinations are cached against the better path. But what if there is very little traffic to many of the destinations cached against the better path? This will result in what is termed pinhole congestion with too much traffic going over the slower path. Personally I do not like the variance feature. I have never seen it used on a real network- for good reason. Also, I would say that this is why your BSCN instructor did not pay much attention to it. Regards, Cormac Long CCSI#21600 http://www.cormaclong.com --- Babashola Madariola <[EMAIL PROTECTED]> wrote: > > > So how do you know the variance value, do you for > instance, just guess the value > 2? > Assuming you have more than 10 paths to a > destination, how do you arrive at the > variance value, what criteria do you use? > > > -- Forwarded by Babashola > Madariola/C/Africa/Mobil-Notes on > 07/06/2000 10:01 AM --- > > > "McCallum, Robert" > <[EMAIL PROTECTED]> on 07/06/2000 > 07:07:29 > AM > > Please respond to "McCallum, Robert" > <[EMAIL PROTECTED]> > > To: "'Brandon Carroll'" <[EMAIL PROTECTED]>, > [EMAIL PROTECTED] > cc:(bcc: Babashola > Madariola/C/Africa/Mobil-Notes) > Subject: RE: Variance Question > > > > > > Variance command is used to load share over unequal > paths. i.e. a 1mb and a > 2 mb circuit, in normal routing terms the 2mb > circuit would be used all the > time (unless specified otherwise). Putting a > variance in this case of 2 > will allow any the above circuits to load share. > Because 1 * 2 = 2. > > -Original Message- > From: Brandon Carroll [mailto:[EMAIL PROTECTED]] > Sent: 06 July 2000 22:52 > To: [EMAIL PROTECTED] > Subject: Varience Question > > > Hello, > > I am in the BSCN class right now and touched on the > term "Varience" > > Could someone pleas explain this to me. I don't > feel it was covered very > well and I am actually feeling a bit lost on this. > > Thanks, > > > > > ___ > 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] = http://www.cormaclong.com __ Do You Yahoo!? Send instant messages & get email alerts with Yahoo! Messenger. http://im.yahoo.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]
Re: policy routing
There are 2 problems with the route-map. 1. Syntax should be "set ip next-hop serial0" 2. There is no match in the map for 192.168.2.0 so those packets will get dropped. Correct config should be: route-map test permit 10 > match ip address 10 > set ip next-hop interface serial0 > > route-map test permit 20 > match ip address 11 set ip next-hop interface serial1 > > access-list 10 permit 192.168.1.0 0.0.0.255 access-list 11 permit 192.168.2.0 0.0.0.255 Regards, Cormac Long CCSI#21600 http://www.cormaclong.com --- Nurarif Wibawa <[EMAIL PROTECTED]> wrote: > Hi guys, > > Please see configurations below : > ISP A owned 192.168.1.0/24 and ISP B owned > 192.168.2.0/24 > > ISP AISP B >| | >| | > serial0 serial1 > ethernet0 -> using secondary > address > | | > | | > 192.168.1.0/24 192.168.2.0/24 > > Customer which has 2 ISP using 2 serial interfaces > and 1 ethernet interface. > Lets say, user which configured with network > 192.168.1.0 should go through serial0 and user which > configured with network 192.168.2.0 should go > through serial1 > Please correct the router configuration below : > - > interface serial0 > ip address 192.168.3.1 255.255.255.252 > > interface serial1 > ip address 192.168.4.1 255.255.255.252 > > interface ethernet0 > ip address 192.168.1.1 255.255.255.0 > ip address 192.168.2.1 255.255.255.0 secondary > ip policy route-map test > > route-map test permit 10 > match ip address 10 > set interface serial0 > > route-map test permit 20 > set interface serial1 > > access-list 10 permit 192.168.1.0 0.0.0.255 > -- > > Did I miss something ? because it won't work. > > > Thank you > > > = http://www.cormaclong.com __ Do You Yahoo!? Kick off your party with Yahoo! Invites. http://invites.yahoo.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]
Re: BCMSN What Additional Switches Must One Know
I teach BCMSN and it is quite different to CLSC. It is far less focussed on hardware and there is no ATM or FDDI. Additional stuff you do need to know includes: 1. RSM configuration on the Cat 5500 2. HSRP 3. There tends to be quite a lot on VTP 4. IP Multicasting (IGMP, CGMP, Spase and Dense mode routing on the RSMs). Hope this guides you in the right direction. Cormac Long CCSI#21600 http://www.cormaclong.com --- Kari Nurdin <[EMAIL PROTECTED]> wrote: > Hi > > I am preparing to take the BCMSN exam. As many > of you I am using > material catered for the CLSC. > Besides knowing the Cat. 1900, 2820, 3000 and > 5000 series switches, > what new switches should one know prior to taking > the BSMSN. I looked at > the Outline and Preparation Guild for the BSMSN, > however, it makes no > mention of any particular series of switches. > > Thanks > > Kari Nurdin > CCNA CCDA > > 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] = http://www.cormaclong.com __ Do You Yahoo!? Kick off your party with Yahoo! Invites. http://invites.yahoo.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]
Re: Static Routing or Route Maps
There are a couple of issues to clarify here: 1. If the 2 routers are not on the same LAN, HSRP is irrelevant (as has been pointed out below). 2. If on the same LAN HSRP can work well because it IS capable of detecting WAN link failure (you can configure it to "track" the WAN interfaces). You can also use the preempt feature to ensure that the preferable link will always get used if it is available. 3. Are these static routes being redistributed into a dynamic routing protocol? If they are then you configure the redistribution metric to bias one over the other. 4. In any case running a dynamic routing protocol to an ISP is usually not a good idea (security, plus co-ordination with the ISP). Regards, Cormac Long CCSI#21600 http://www.cormaclong.com --- Evgeny Babanin <[EMAIL PROTECTED]> wrote: > The only problem with HSRP is that it can not > detect link failure,as its purpose is to create > router hardware redundancy. Plus, if routers are not > on the same Ethernet segment HSRP will not work. > So the configuration can look like that: > a) routers are on the same Ethernet segment > HSRP + floating static routes(or > any IGP between two routers - RIP for example) > HSRP Ip address is the default > gateway for the internal routers/workstations > Every router has statically > defined default pointing to the ISP and other > default with greater AD pointing to the neighbor > REAL (Not HSRP) address. > In this case if the router itself fails - HSRP > will take care of the traffic, if link fails - > router will insert floating static route in to the > routeing table an forward traffic to another router. > > b) routers are in different locations - No HSRP, so > no hardware redundancy > only floating static routes. > > > RGRDS, > Evgeny > ""Michael L. Williams"" <[EMAIL PROTECTED]> wrote > in message 8joa3u$mgm$[EMAIL PROTECTED]">news:8joa3u$mgm$[EMAIL PROTECTED]... > It seems to me using HSRP would be the best thing > to do. That way, not only do the two routers act > as redundant links for each other, they can load > balance across them. > > Mike W. > "Debbie Westall" <[EMAIL PROTECTED]> wrote in > message > 010b01bfe2bf$292b2eb0$[EMAIL PROTECTED]">news:010b01bfe2bf$292b2eb0$[EMAIL PROTECTED]... > Greetings, > > I have a customer that has two routers, each > with links to ISPs. The links are statically routed. > Using default routes in each router. They would like > to have one link switch over to the other if one > fails and when it comes up switch back. Is there a > way to do this using static routing still (maybe > floating static routes) or can I use route-maps OR > will I have to configure a routing protocol? > > Thank you for your assistance. > > > Debbie Westall Conxion > Corporation > Manager, Network Support 4201 Burton Drive > Voice: (408) 566-8534 Santa Clara, CA > 95054-1512 > Pager: (408) 407-2917 Email: > [EMAIL PROTECTED] >*** > > = http://www.cormaclong.com __ Do You Yahoo!? Kick off your party with Yahoo! Invites. http://invites.yahoo.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]
Re: how to configure VLAN on 2900 switch-how about full duplex an d spanning tree
A VLAN is logically the same as a physical routed LAN. Users on the same VLAN generally belong to the same IP subnet. VLANs are created for the following reasons: 1. Containing the propogation of broadcasts in a switched environment. 2. Security 3. VLANs can be more flexible than traditional routed LANs. For example, if a user needs to move from one VLAN to another (e.g employee changing departments) their PC can move to that VLAN by configuring the switch port to be in the appropriate VLAN. There is no need for re-patching. Cormac Long CCSI#21600 http://www.cormaclong.com --- brain at yahoo <[EMAIL PROTECTED]> wrote: > then what is the advantage of vlan? if we need a > router between vlans. > > > Gm > > - Original Message - > From: Dan West <[EMAIL PROTECTED]> > To: brain at yahoo <[EMAIL PROTECTED]>; A. Geoffrey > Cauchi > <[EMAIL PROTECTED]>; Luan Kim > <[EMAIL PROTECTED]>; Sim, CT (Chee Tong) > <[EMAIL PROTECTED]> > Cc: <[EMAIL PROTECTED]> > Sent: Monday, July 03, 2000 5:57 PM > Subject: Re: how to configure VLAN on 2900 > switch-how about full duplex an d > spanning tree > > > > I don't know a whole lot about VLANs, but > everything > > so far has said that you need a router to > communicate > > between VLANs. > > > > > > --- brain at yahoo <[EMAIL PROTECTED]> wrote: > > > But after configuring second VLAN, my different > > > can't talk to each other. > > > what colud be the problem and how i can solve > that. > > > > > > My net address are 192.168.1.x, 192.168.2.x, > > > 192.168.3.x, 192.168.4.x and > > > mail Enterprise sw is on 192.168.3.x and one > switch > > > for all other net. > > > > > > Gm > > > - Original Message - > > > From: A. Geoffrey Cauchi <[EMAIL PROTECTED]> > > > To: Luan Kim <[EMAIL PROTECTED]>; Sim, CT (Chee > > > Tong) > > > <[EMAIL PROTECTED]> > > > Cc: <[EMAIL PROTECTED]> > > > Sent: Monday, July 03, 2000 4:51 PM > > > Subject: Re: how to configure VLAN on 2900 > > > switch-how about full duplex an d > > > spanning tree > > > > > > > > > > Hi > > > > > > > > First you have to define VLAN 2. > > > > > > > > > > > > In the enable mode, (not the config mode!), > type > > > the following > > > > > > > > Vlan database > > > > Vlan vlan2 > > > > Vtp server > > > > Vtp domain domain_name > > > > Apply > > > > Exit > > > > > > > > Then continue as specified below > > > > > > > > Regards > > > > Geoffrey > > > > > > > > - Original Message - > > > > From: "Luan Kim" <[EMAIL PROTECTED]> > > > > To: "Sim, CT (Chee Tong)" > > > <[EMAIL PROTECTED]> > > > > Cc: <[EMAIL PROTECTED]> > > > > Sent: Monday, July 03, 2000 12:48 PM > > > > Subject: RE: how to configure VLAN on 2900 > > > switch-how about full duplex an > > > d > > > > spanning tree > > > > > > > > > > > > > Hi Chee Tong, > > > > > With your current "show run" below, you're > only > > > running one vlan1 on > > > your > > > > > catalyst 2924. By default, the catalyst > 2924 > > > comes with one VLAN1. By > > > > > adding another VLAN2 in your switch, you can > > > reduce broadcasts on your > > > > > network. Here is an example of placing port > > > fastethernet0/6 on VLAN2: > > > > > > > > > > conf t > > > > > int fastethernet0/2 > > > > > switchport access vlan 2 > > > > > > > > > > > > > > > And if you want to enable spanning-tree, > first > > > do this to see if it's > > > > > already enabled on the switch: > > > > > > > > > > sh span > > > > > > > > > > If it shows that it's "disabled", then you > can > > > do this to enable it: > > > > > > > > > > conf t > > > > > spanning > > > > > > > > > > Hope it'll help you. > > > > > > > > > > > > > > > Luan T. Kim, MCSE, CCNA
Re: ospf reconvergence issue .
When a link changes state within an OPSF area. LSA's propogate throughout the area immediately afterwards. Assuming no fundamental design or configuration problems there should be no problems on anything other than the affected link. If routers with static routes are generating LSAs then they must clearly be runnign OSPF also. The cascading or receipt of an LSA will not generate an entry in the router's log unless the link that changed state was directly attached. The only other way there would be an entry in the log is if OSPF event debugging was enabled (NOT advisable unless absolutely necessary for troubleshooting). It's not clear from your e-mail if there is a real connectivity problem or not. If there's not then the only issue is the potentially excessive SNMP messages. The scope of these messages can be reduced by modifying the Spectrum and Remedy configurations. The manuals will detail how to do this. Cormac Long, CCSI#21600 http://www.cormaclong.com --- Ben Tang <[EMAIL PROTECTED]> wrote: > HI , all : > I have a ospf area 0 which has area 100 . > area 100 has several routers monitord by spetrum and > remedy . > The problem is when a interface of the routers > change status , all routers > creat a ticket annoucing lost contact . > And even the routers using static route in the same > subnet lost contact . > But in the router's log, there are no event logged . > Why ? > When the router recaculate the route table , will > the route unaffected still > working ? > thanks > > Ben Tang > > ___ > 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] = http://www.cormaclong.com __ Do You Yahoo!? Get Yahoo! Mail - Free email you can access from anywhere! http://mail.yahoo.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]
Re: Calculate Bandwidth
Folks, One very important point to note when calculating bandwidth utilization on a serial interface. The default BW on Cisco serial i/f's is 1.544M (i.e. a T1). In this case it seems to happily coincide with the CIR. However in many cases the CIR or leased line speed is less than this. Management packages will gauge utilization against the T-1 value. For example a 56k linked could be almost maxed out in real terms but the management station would see it running at 56/T-1 which is less than 5%. You should change the BW to the real physical speed where possible using the interface 'bandwidth' command -values are in kbps. Note that the bandwidth parameter also influences routing metric values for IGRP/EIGRP/OSPF. Regards, Cormac Long http://www.cormaclong.com --- News Cisco <[EMAIL PROTECTED]> wrote: > For this purpose MRTG tops all the products, > dont go for CW2000, or Cisco View or IPM!! > 'Bliss' > > "Nicholas Langevin" <[EMAIL PROTECTED]> wrote > in message > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > > How would I calculate bandwidth utilization on a > serial interface? The > > interface is encap frame and the CIR is 1544. > What would be the formula > for > > such a calculation? > > > > > 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] = http://www.cormaclong.com __ Do You Yahoo!? Get Yahoo! Mail - Free email you can access from anywhere! http://mail.yahoo.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]
Re: destination address on point to point
Interface-based static routes are allowed regardless of the interface type. However if the next hop for the static or default route is out an Ethernet (or any LAN for that matter) a MAC address must be specified for the destination station or router. This is because the Ethernet is a multi-access broadcast medium, and it must be specified which exact station on the segemnt to send the packets to. If the next hop were a serial link, the issue would not arise since there is only one other station on the link. Regards, Cormac Long, CCSI#21600 http://www.cormaclong.com --- ElephantChild <[EMAIL PROTECTED]> wrote: > On Sat, 3 Jun 2000, cisco cabanaboy wrote: > > > if you > > ip route 0.0.0.0 0.0.0.0 e0 > > what dest mac address does it put in the header? > > > > ? > > I would have thought interface routes made sense and > were allowed only > on point-to-point (sub)interfaces, which neither > have nor require a MAC > address, but I checked and it's also allowed on LAN > interfaces. deb ip > pa and deb arp indicate that the router sends out an > ARP request for the > destination (not next stage router, which isn't > defined in that case), > presumably hoping that some router on the LAN will > proxy ARP the > address. IMHO, that's ugly with a capital UG, even > if it works. > > HTH > > -- > Bungee jumping and skydiving are for wimps. If you > want to experience > true gut-wrenching terror, have children. --Dusty > Rhoades. > > ___ > 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] = http://www.cormaclong.com __ Do You Yahoo!? Yahoo! Photos -- now, 100 FREE prints! http://photos.yahoo.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]
Re: Very interesting RIP issue
Not sure what the nature of the problem is here, but here are a couple of points to note: 1. The TTL field is in the IP header and not the UDP header. 2. The TTL is only decremented after the packet crosses a router hop ( a switch hop does NOT count). 3. The inital TTL=15, and it gets decremented after that as it crosses routers. This makes it surprising that you're seeing TTL=1 or 2. It implies alot of router hops. Cormac Cormac Long, CCSI#21600 http://www.cormaclong.com --- Lance Simon <[EMAIL PROTECTED]> wrote: > Hi group! > > I am a lurker at best here, but today I saw > something that really > puzzled me. While I was looking at a trace file I > noticed something > unusual about the ttl values for RIP updates on a > PacketEngines switch. > This switch is connected to a Cat5000 and I had a > sniffer in between the > > two. > My understanding of RIP is that the ttl value = 2 > and that it is > decremented as it enters a switch/router and then it > is looked at. > Therefore, a ttl=2 would become ttl=1 before the > packet is even looked > at. If the ttl=1 it would become ttl=0 and then, > instead of being > looked at, it would be discarded. Is this correct? > First, let me say that the Packet Engines 2200 > switch is a very good box > > and it is communicating well with the Cat5k. The > RIP updates are being > handled well by both sides, but; when looking at > the sniff, the ttl > value from the packet Engines box is set to =1. How > can this be? > Do I totally misunderstand the UDP ttl value in > relationship to RIP? > Any insights would be helpful. BTW, I have got a > call into a > PacketEngines s/w engineer and am waiting for a > response. > > Thanks, > > Lance > > > > ___ > 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] = http://www.cormaclong.com __ Do You Yahoo!? Yahoo! Photos -- now, 100 FREE prints! http://photos.yahoo.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]
Re: Network Troubleshooting
Just some points to note here before you get into any fancy management software. 1. You should not trust autonegotiation of speed or duplex. The autonegotiation protocols are very poorly standardized. Be clear on what speed and duplex each port/station can support and configure the switch settings accordingly. 2. A speed mismatch will render the port inoperable. A duplex mismatch won't (i.e. the light will remain green) but performance will suffer badly due to the duplex mismatch which makes it very dangerous. 3. When you connect to a switchport initally it will remain orange for about 50 seconds in any case while it waits for spanning tree to resolve itself. So don't be fooled by this. You can put it into immediate forwarding using the "portfast" feature. However don't disable spanning tree on inter-switch links! 4. In terms of the value gained by a switch, it is also important to understand your client-server traffic flows. For example a switch would give limited benefit if most traffic had to cross the WAN to a remote server. Regards, Cormac Long, CCSI#21600 http://www.cormaclong.com --- imran obaidullah <[EMAIL PROTECTED]> wrote: > Hi, > > I have a network of around 20 macs connected to the > hub and all accessing > the internet through a single internet box which is > ip based. I have > replaced the hub with catalyst 3500 and when I > connect the mac to the switch > the led on the port is showing orange colour and > then I made the all the > port to full duplex, speed 100 then the switch > started working. > > I think the nic in mac is not auto negotiating with > switch port. But the > users are complaining that the network is very slow > and internet access > speed also has come down. > > I really could not diagnoise the problem because the > switch should give > better performance than hub. Is there any > troubleshooting procedues through > which I can find out the problem. is there any > software on the net which > will show me the bottleneck. If any body has got > information, please send it > to me. > > regards > > imran > > 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] = http://www.cormaclong.com __ Do You Yahoo!? Send instant messages & get email alerts with Yahoo! Messenger. http://im.yahoo.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]
Re: SNMP syntax
There is no default SNMP engineID. If you are configuring it then it is very good practice to use the serial number of the shipped router. Often when arranging a replacement part with Cisco they seem to require the serial# for some reason. Cormac http://www.cormaclong.com --- Warren Shubin <[EMAIL PROTECTED]> wrote: > For the command: > > snmp-server engineID local > > Is the something particular to the > router in use, or can > one be "made up" like 00123 etc. > > I have always configured SNMP as part of the intial > setup. Does the setup > just generate a random ID? Or, is it a number based > on something particular > to the router? > > W. > > ___ > 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] = http://www.cormaclong.com __ Do You Yahoo!? Send instant messages & get email alerts with Yahoo! Messenger. http://im.yahoo.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]
Re: a question about ip connectivity
Sounds like your station cannot ping to other networks. Check that there is a default gateway configured on your station - it should point at the local router's ip address which should be in the form 167.65.107.x regards, Cormac http://www.cormaclong.com --- "Cai, Land" <[EMAIL PROTECTED]> wrote: > Hi, > > Supposed to have a desktop, whose ether Card ip > is 167.65.107.42 and > have a smooth IP connectivity with other hosts. Now > I need to dial up to > PPP server, and get the IP 167.65.107.12. But at > this time, I can only do > ping 167.65.107.X, while can't ping 167.65.104.X. > That's why? And how to > enable to ping the both IP segments. All the mask > is 255.255.255.0. > > Thanks in advance. > CCNA, MSCE. > > Cai, land > > ___ > 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] = http://www.cormaclong.com __ Do You Yahoo!? Send instant messages & get email alerts with Yahoo! Messenger. http://im.yahoo.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]
Re: cannot ping over frame relay
If the problem is only from the ethernet hosts then check their default gateways. It should point at the local router. If there is a problem pinging over frame relay. Then do a "show frame map" to see if the ip addresses have been resolved to the DLCI's via inverse arp. Or are you configuring static "frame map ip a.b.c.d. DLCI" on the routers? Also remember that you can't ping your local frame relay serial interface without a static mapping statement. This sometimes causes confusion. You can also check out my website at http://www.cormaclong.com for some frame relay configurations. Cormac --- Abdullah Al Faruq <[EMAIL PROTECTED]> wrote: > Hello Josh, > > Did you map ip with fr ?? > > Thanks/Brgds > > Abdullah Al Faruq > Engineer > SITA EQUANT SC. > http://www.sita.int > http://www.equant.com > > > Josh wrote: > > > heres my setup. > > > > Host-+R1+--+Frame > Switch+--+R2+Host > > > > from r1 and r2 i can ping anywhere but from either > host i am > > unable to ping anything except the local > interface. any ideas? > > > > ___ > > 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] = http://www.cormaclong.com __ Do You Yahoo!? Send instant messages & get email alerts with Yahoo! Messenger. http://im.yahoo.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]
Re: Runts and Gaints
Hi all, runts and giants can also occur on a ethernet segment due to a bad NIC card on router/hub/switch/PC/Server. In such a case the NIC card may not be capable of forming an Ethernet frame within the 64k-1518k range of valid frame sizes. Also watch out for Cisco's ISL protocol causing "mini-giants" on switched trunk link. The 26 bytes of ISL header can put the frame into the giant range although since the ISL header is immediately stripped off at the other end of the trunk link, this does not usually cause actual problems in practice. Regards, Cormac http://www.cormaclong.com --- Jacob thomas <[EMAIL PROTECTED]> wrote: > i had experienced a huge increase in runts in a > router which came from a novell server after > groupwise was installed.Later some configuration > changes were made and this reduced the runts but the > runts only disappeared after it was unnstalled . > > > > On Monday, May 22, 2000 at 11:06:41 PM, Jacques Lee > wrote: > > > Thx, final got the expected one. > > > > "Dave" wrote in message > <8gbbgk$1ob$[EMAIL PROTECTED]>... > > >Yes a collision can cause a runt !! > > > > > >-- > > >Dave > > >CCNP/CCDP/CCAI > > >""Jacques Lee"" <[EMAIL PROTECTED]> wrote in > message > > >8gau5h$ehp$[EMAIL PROTECTED]">news:8gau5h$ehp$[EMAIL PROTECTED]... > > >> Dear all, > > >> > > >> Anyone can tell me what causes runts and gaints > on an ethernet interface? > > >> > > >> > > >> > > >> Thx > > >> > > >> Jacques > > >> > > >> > > >> ___ > > >> 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] > > > > Jacob thomas > e-mail: [EMAIL PROTECTED] > > > -- > mailmetoday is a free e-mail service from India > Today Group Online that also rewards you with cool > gifts. Sign up now at http://www.mailmetoday.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] = http://www.cormaclong.com __ Do You Yahoo!? Send instant messages & get email alerts with Yahoo! Messenger. http://im.yahoo.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]
