Inter Vlan Communication

lex0429

I have a 2924 with 2 PC's connected to it, along with a 1760. I am trying to provide inter vlan communication with the 2 PC's, is the 1760 capable of this? I thought it was but i remember reading somewere that the 1700 series wont support ISL which i bleieve is necessary

bighornsheep

It seems like according to this:
http://www.cisco.com/warp/public/473/50.shtml

As long as your switch supports Trunking, and your router has a fastethernet (100mb) connection, you can do it.

lex0429

even on that they only mention models 2600 and higher though

dtlokee

Acording to the feature navigator it is available on the 1760, it may be your IOS version. You may need an IOS upgrade, what version do you have?

lex0429

Version 12.2(15)T5

mgeorge

do a sh ver and post it plz

lex0429

Cisco Internetwork Operating System Software
IOS (tm) C1700 Software (C1700-Y-M), Version 12.2(15)T5,  RELEASE SOFTWARE (fc1)

TAC Support: [url]http://www.cisco.com/tac[/url]
Copyright (c) 1986-2003 by cisco Systems, Inc.
Compiled Thu 12-Jun-03 08:20 by eaarmas
Image text-base: 0x80008120, data-base: 0x80991480

ROM: System Bootstrap, Version 12.2(7r)XM2, RELEASE SOFTWARE (fc1)

Cairo uptime is 0 minutes
System returned to ROM by power-on
System restarted at 13:37:44 UTC Mon Jul 5 2004
System image file is "flash:c1700-y-mz.122-15.T5.bin"

cisco 1760 (MPC860P) processor (revision 0x500) with 54148K/11388K bytes of memo
ry.
Processor board ID FOC08130U3E (2493369937), with hardware revision 0000
MPC860P processor: part number 5, mask 2
Bridging software.
X.25 software, Version 3.0.0.
1 FastEthernet/IEEE 802.3 interface(s)
1 Serial network interface(s)
WIC T1-DSU
32K bytes of non-volatile configuration memory.
32768K bytes of processor board System flash (Read/Write)

Configuration register is 0x2102

bighornsheep

lex0429 wrote:

even on that they only mention models 2600 and higher though

Cisco 3600 and 4500/4700 series routers, or other members of the Cisco 2600 series routers, with FastEthernet interfaces, and any Catalyst 2900XL, 3500XL, 2940, 2950 or 2970 can be used in the scenarios presented in this document to obtain the same results.

lex0429

here is the config im working with

Router

int fa 0/0
no ip address
int fa 0/0.2
encapsulation dot1q 2
ip address 192.168.1.129 255.255.255.240
int fa 0/0.3
encapsulation dot1q 3
ip address 192.168.1.33 255.255.255.240


Switch

int fa 0/1 - connected to fa 0/0 of router
switchport mode trunk
int fa 0/10 - connected to PC1
switchport access vlan 2
int fa 0/12 - Connected to PC2
switchport access vlan 3


PC1 Ip Config
192.168.1.142
255.255.255.240
192.168.1.129

PC2 Ip Config
192.168.1.34
255.255.255.240
192.168.1.33

i cant even ping the gateways from each computer

Darthn3ss

can you ping the switch? is there an IP applied on it anywhere?

lex0429

yes the switch has an ip 192.168.1.2 255.255.255.240 but i cant ping it. I assume thats because given the network mask, the switch is on a different segment. Is this incorrect thinking?

when i change the ip address of the computer from 192.168.1.47 to 192.168.1.10 i can ping the switch fine

networker050184

Ensure the switchport is encapsulated for dot1q and not isl.

lex0429

networker050184 wrote:

Ensure the switchport is encapsulated for dot1q and not isl.

Looks like that did the trick. Thanks so much

networker050184

No problem, or you could have switched the router encapsulation to isl. Either way as long as they match.

mgeorge

Apparently it looks like you got everything working

but in the mean time you should try to upgrade to enterprise base

example;
c1700-entbasek9-mz.124-12.bin

or if your wanting to preform everything on the router, upgrade your ram to 128 and get adv enterprise

lex0429

what are the benefits to enterprise base? i actually have it but never upgraded