Re: BGP study question

2000-09-14 Thread luobin Yang
It depends on whether you want to control inbound traffic or outbound traffic. If you want to control inbound traffic, use MED, if you want to control outbound traffic, use Local Preference. Luobin Yang "Kristopher B. Climie" wrote: > Here is a question I am just going to th

Why External type 5 LSA is distributed to a totally stubby area ?

2000-09-12 Thread luobin Yang
Dear group, I have such a scenerio: RouterB is connected to RouterA using Serial 0, RouterC is connected to RouterA using Serial 1. Interface E0 of Router A is configured as Area 0, Serial0(to RouterC) of RouterA is configured as Area 2 (nssa area) , Serial1(to RouterB) of RouterA is configured

How does cisco router load-balancing?

2000-09-09 Thread luobin Yang
Hi, group, I have question quite confused about. I learnt that per-packet load-balancing is used when process-switching is enabled and per-destination load-balancing is used when fast-switching is enabled. My question is, If there are two equal-cost routes between RouterA and RouterB, let's say

RE: the free CCIE lab web site

2000-09-07 Thread Luobin Yang
Thanks, I tried that site, but it doesn't provide ATM stuff, does it? Luobin >From: "Jake Oude-Reimerink" <[EMAIL PROTECTED]> >Reply-To: <[EMAIL PROTECTED]> >To: "Luobin Yang" <[EMAIL PROTECTED]>, <[EMAIL PROTECTED]> >Subject: R

Re: the free CCIE lab web site

2000-09-07 Thread Luobin Yang
I am also looking for that. BTW, have you eve got a chance to practice ATM stuff? Luobin zhan wang wrote: > Hi, > > i just passed the ccie Written exam and preparing the > lab exam. anybody here know the free web site of lab > please? i need your help > > thanks > Zhan > >

Re: the free CCIE lab web site

2000-09-07 Thread Luobin Yang
I am also looking for that. BTW, have you eve got a chance to practice ATM stuff? Luobin zhan wang wrote: > Hi, > > i just passed the ccie Written exam and preparing the > lab exam. anybody here know the free web site of lab > please? i need your help > > thanks > Zhan > >

Re: the free CCIE lab web site

2000-09-07 Thread Luobin Yang
I am also looking for that. BTW, have you eve got a chance to practice ATM stuff? Luobin zhan wang wrote: > Hi, > > i just passed the ccie Written exam and preparing the > lab exam. anybody here know the free web site of lab > please? i need your help > > thanks > Zhan > >

Re: the free CCIE lab web site

2000-09-07 Thread Luobin Yang
I am also looking for that. BTW, have you eve got a chance to practice ATM stuff? Luobin zhan wang wrote: > Hi, > > i just passed the ccie Written exam and preparing the > lab exam. anybody here know the free web site of lab > please? i need your help > > thanks > Zhan > >

Re: OSPF Priority

2000-09-07 Thread Luobin Yang
I think you use the following command: (config-if) ip ospf priority to change the router priority Luobin Speigner Thomas wrote: > Can anyone tell me how to set the priority of a router in an OSPF area? > It is for telling a router to be a DR with priority 1 and the other routers > to be norm

Where I can find a lab with ATM module

2000-09-07 Thread Luobin Yang
Dear group, I am learning something about LANE, but seems it's hard to find labs with ATM module or ATM switch. Does any have any information about this? Thanks a lot! Luobin ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list arch

Re: BCSN

2000-09-05 Thread luobin Yang
I don't see why D is preferable than E cslx wrote: > if it is a single choice,it is D,otherwise it is D,E > "Donald B Johnson Jr" <[EMAIL PROTECTED]> wrote in message > 02c001c0178c$1643b450$[EMAIL PROTECTED]">news:02c001c0178c$1643b450$[EMAIL PROTECTED]... > > What would be the right answer to

Re: Diff. b/w Static Route and Default Route

2000-08-29 Thread luobin Yang
Static routes are defined by the command "ip route prefix mask next-hop", it goes directly into routing table. Default route is 0.0.0.0/0, you can define a default route as static route. Some routing protocol also generate default route dynamically, like OSPF , you can use "ip default-information

Re: Thanks : Passed BCRAN

2000-08-27 Thread luobin Yang
What material have you studied for BCRAN? Ole Drews Jensen wrote: > I just wanted to thank those of you who has helped me prepare for the BCRAN > exam, which I passed this morning with a good score. > > I will now continue my expedition towards CCNP 2.0. > > Thanks, > > Ole > > ~

Does EIGRP neighbor relationship need to be reset?

2000-08-27 Thread luobin Yang
Dear group, When I use command "no default-information in" under EIGRP router configuration, I found the default candidates are still carried over to the ip routing table. But when I reset the EIGRP neighbor relationship, the default candidate mark was removed. Does this mean it's always need

Does EIGRP redistributes connected network marked as ip default-network automatically?

2000-08-27 Thread luobin Yang
Dear group, I learnt from the book <> that EIGRP redistributes connected network marked as ip default-network automatically. But from the lab result, it seems it does not redistribute ip default-network automatically. Does anybody have experience on this? Luobin

hold time and keepalive interval in BGP?

2000-08-27 Thread luobin Yang
Does anybody know the default value of hold time and keepalive interval in BGP4? ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure viol

How to configure hold time in BGP?

2000-08-27 Thread luobin Yang
Does anybody know how to configure the hold time in BGP? ___ 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 PROTECT

Re: CCIE WRITTEN

2000-08-27 Thread luobin Yang
I also received it, but I have no intention to try it out at the moment. Luobin "McCallum, Robert" wrote: > Hi, > > I got this email through the other day. Any one else received it or indeed > tried it out? > > Cheers > > begin > > http://www.cciewritten.bigstep.com/ > > The collection of mate

what is this match statement matching?

2000-08-17 Thread Luobin Yang
Hi, group I have a configuration as following router ospf 10 default-information originate route-map send_default_if access-list 1 permit 0.0.0.0 access-list 2 permit 172.16.20.1 route-map send_default_if permit 10 match ip address 1 match ip next-hop 2 My question is, what routes

Re: Default routes

2000-08-17 Thread Luobin yang
Hi, helena, ip default-network is used for IGRP, because IGRP doesn't understand 0.0.0.0 0.0.0.0 is the default network, you have to use the command ip default-network to specify the default route. For other protocols like RIP, OSPF, EIGRP, you can use ip route 0.0.0.0 0.0.0.0 to define the defau

Re: Default routes

2000-08-17 Thread Luobin yang
ip default-network is used for IGRP, because IGRP doesn't understand 0.0.0.0 0.0.0.0 is the default network, you have to use the command ip default-network to specify the default route. For other protocols like RIP, OSPF, EIGRP, you can use ip route 0.0.0.0 0.0.0.0 to define the default route.

Re: default network and default route?

2000-08-17 Thread Luobin yang
se my another qn is why not use ip default-n/w > it saves time having to type in so many default routes into every individual > routers in the same AS rt? > > Jason > ""Luobin Yang"" <[EMAIL PROTECTED]> wrote in message > [EMAIL PROTECTED]">news:[E

Why couldn't ping to this address?

2000-08-16 Thread Luobin Yang
I have the following problem, two routers are connected by ethernet. Here are my configurations for RouterA and RouterB RouterA: interface ethernet0 ip address 172.16.20.1 255.255.255.0 no shut int loopback0 ip address 192.68.11.1 255.255.255.0 router bgp 1 neighbor 172.16.20.2 remote-as 1 netw

Why the route in BGP table doesn't appear in IP table.

2000-08-16 Thread Luobin Yang
I found a lot times, some routes in BGP table don't show up in IP table. When I use "show ip bgp", I can see the route to a destination, but when I use "sh ip route", I can't find the route to the destination. Does anybody know the reason? ___ UPDATED Posting Guid

Default Route in BGP

2000-08-16 Thread Luobin Yang
I remember somebody mentioned how to create default routes in BGP4. I found the following way to inject default routes into BGP. 1. use the command default-originate. this command is used in the neighbor command. It originates a default route for the neighbor bgp speaker. 2. use the network 0.0.

Re: BGP Tutorial

2000-08-16 Thread Luobin Yang
What kind of tutorial is that? I am studying BGP4 these days. [EMAIL PROTECTED] wrote: > Hi guys/Gals > I have tutroial for BGP anyone wants it send me an email. > > Regards, > amir > > ___ > UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html >

Re: default network and default route?

2000-08-16 Thread Luobin Yang
ip route 0.0.0.0 0.0.0.0 172.16.2.0 is used to define a default route so packet can be delivered when no route is matched. ip default-network 172.16.2.0 is used to propogate the previous default route throughout the whole IGP, so all the routers in the IGP have a default route via 172.16.2.0

Re: default network and default route?

2000-08-16 Thread Luobin Yang
Jason wrote: > sorry the e.g for default route shd be ip route 0.0.0.0 0.0.0.0 172.16.2.0 > ""Jason"" <[EMAIL PROTECTED]> wrote in message > 8nfmbt$jdt$[EMAIL PROTECTED]">news:8nfmbt$jdt$[EMAIL PROTECTED]... > > Hi guys, > > > > Can anyone tell me what is the difference between default route e.

Re: default network and default route?

2000-08-16 Thread Luobin Yang
ip route 0.0.0.0 0.0.0.0 172.16.2.0 is used to define a default route so packet can be delivered when no route is matched. ip default-network 172.16.2.0 is used to propogate the previous default route throughout the whole IGP, so all the routers in the IGP have a default route via 172.16.2.0

A question about BGP

2000-08-16 Thread Luobin Yang
Hi, group, When reading Halabi's book on "Internet Routing Architecture", I couldn't understand the following paragraph from P340 : For BGP learned routes, an AS can also advertise these routes to another AS with the internal IGP metric carried into BGP. This is achieved by using the followin

Re: Is Peer group in BGP useful?

2000-08-15 Thread Luobin Yang
Thanks for your reply. I say "useful", I mean is this function used frequently or just in case? Luobin "Howard C. Berkowitz" wrote: > >Hi, group, > > > >Now I am studying BGP4 from Cisco Website. I have one question about > >peer group. From the material that I am studying, it seems peer > >grou

Is Peer group in BGP useful?

2000-08-15 Thread Luobin Yang
Hi, group, Now I am studying BGP4 from Cisco Website. I have one question about peer group. From the material that I am studying, it seems peer group function(Internal or External) is not that useful. Cause I have no experience on BGP4, so I was wondering if anybody who has experience on BGP