techwench
I Work For Food
Premium
join:2003-06-26
Sherman, TX
|  [Config] 1700 to 1700 routing - HELP
Hi all. Haven't posted in this forum before, so it his is not appropriate, please let me know.
I have been given this lab exercise by my boss, and basically, all he said was "make these talk to eachother".
It's 2 Cisco 1700s, connected by both ethernet and t1 crossover. Each router is connected to a PC via serial cable. And both with blank configurations. (excuse my crude mockup)
Here's what I understand:
•Each interface needs an IP address
•They have to be on the same subnet
•I need to "ip route" statements on both sides or I won't be able to get a reply back
Here's what I don't understand:
•Subnetting (in its entirety)
Basically, all my experience with networking is in home networking...i.e. DSL/Cable modem to Linksys, out to PC(s). I haven't worked with subnets (and don't fully understand it) other than a basic 255.255.255.0 class C subnet.
Can anyone point me in the right direction and/or offer some helpful hints? |
|
dpocoroba
Premium
join:2000-11-14
224.0.0.5
| First off seems rather strange that he would have you connect to the PC's with the serial cable and not ethernet :). Did he give you requirements you have to follow? Like ex: have to use the T1 and/or ethernet segment? Easiest way would be to use just the ethernet segment. and set up rip or ospf to be your routing protocol.
This might be a good starting point for you
!
hostname r1
!
interface Loopback0
ip address 200.1.1.1 255.255.255.0
!
interface Ethernet0/0
ip address 150.150.10.1 255.255.255.0
half-duplex
!
interface Serial0/0
no ip address
shutdown
!
interface Serial0/1
ip address 150.150.11.1 255.255.255.0
!
router ospf 110
log-adjacency-changes
network 0.0.0.0 255.255.255.255 area 0
!
end
!
hostname r2
!
!
!
interface Loopback0
ip address 200.2.2.2 255.255.255.0
!
interface Ethernet0/0
ip address 150.150.10.2 255.255.255.0
half-duplex
!
interface Serial0/0
no ip address
shutdown
!
interface Serial0/1
ip address 150.150.22.1 255.255.255.0
!
router ospf 110
log-adjacency-changes
network 0.0.0.0 255.255.255.255 area 0
!
end
Hope this points you in the right direction. Be sure to ask away if you have any other questions.
DP
--
"Knowledge is contagious, infect" |
|
techwench
I Work For Food
Premium
join:2003-06-26
Sherman, TX
| said by dpocoroba  :
First off seems rather strange that he would have you connect to the PC's with the serial cable and not ethernet  . Did he give you requirements you have to follow? Like ex: have to use the T1 and/or ethernet segment? Easiest way would be to use just the ethernet segment. and set up rip or ospf to be your routing protocol.
This might be a good starting point for you
Thanks for the quick reply, dpocoroba . I don't know why the PCs are connected with serial and not ethernet either. I guess it's because we work a lot with adtrans (which connect via serial) and he did it out of habit. 
Are both the t1 and ethernet connections between the two routers necessary? He didn't say specifically that either one should be used. I just didn't know if both were required.
But thanks, I will try that out...it's a lot more than my two days of constant bursting of blood vessels in my head produced. Thanks.  |
|
dpocoroba
Premium
join:2000-11-14
224.0.0.5
| said by techwench :
Are both the t1 and ethernet connections between the two routers necessary? He didn't say specifically that either one should be used. I just didn't know if both were required.
No both are not required. Its just easier to set up the ethernet segments. Since all you have to worry about is them being on the same subnet and not shut down The other thing you may have to worry about depending on physicly your Pc's will be connected to the serials. Is the encapsulation of those interfaces by default its HDLC, This may require some tweaking to maybe PPP.
DP
--
"Knowledge is contagious, infect" |
|
techwench
I Work For Food
Premium
join:2003-06-26
Sherman, TX
| Ooooookkkkaaaayyyy!
I haven't gotten over to the routers yet, but something just hit me on the head with a loud bang.
I just realized (and feel free to correct me if I'm wrong) that I cannot have 2 routers on the same class C. My problem before was I was trying to set the IP addresses of both routers to 10.100.1.x/24 and 10.100.1.n/24...not realizing that doing that is going to make the routers gripe. Instead, I have to set one router to 10.100.1.x and the other to 10.100.2.x
Am I on the right track here? |
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dpocoroba
Premium
join:2000-11-14
224.0.0.5
| reply to techwench
Acording to your diagram the ehternet segments MUST be on the same subnet. Your serial interfaces need to be on different subnets, hope that clears things up
DP
--
"Knowledge is contagious, infect" |
|
