-----Original Message----- From: cisc...@puck.nether.net [mailto:cisc...@puck.nether.net] On Behalf Of ege iyioglu Sent: Tuesday, November 23, 2004 3:15 PM To: cisc...@puck.nether.net Subject: [c-nsp] cisco 1721 & load sharing across unequal paths.

Hi there We have a Cisco 1721 router with a serial interface and an ethernet interface.. You can find the run and ver info below. The serial interface is connected to an ISP through a 1mbit leased line connection. The ethernet interface is connected to the inside network. We do NAT. We'd like to add another ethernet interface and connect it to a wireless access point that will receive an 8mbit connection from another ISP. Both connections will provide access to the internet. We also would like to implement load sharing and redundancy between those 2 interfaces (the serial interface and the 2nd ethernet interface..) our router has 32 MB of ram. I'm planning to run IGRP or EIGRP with the maximum-paths 2 command. First of all, do you think this is a feasible scenario that would provide load sharing and redundancy? And if it is, would our router's cpu and memory be enough for all of this or do we need an upgrade? I'm open to suggestions since this is the first time I will be doing this.

Deep Regards Ege

------- sh run -------- Building configuration...

Current configuration : 1230 bytes ! ! No configuration change since last restart ! version 12.2 service timestamps debug uptime service timestamps log uptime no service password-encryption ! hostname ##### ! logging buffered 16380 debugging no logging console enable password ##### ! username ##### callback-dialstring ##### password 0 ##### ip subnet-zero ! ! ! ! chat-script callback ABORT ERROR ABORT BUSY "" "ATDT\T" TIMEOUT 30 "CONNECT" \c modemcap entry usrmodem:MSC=&FS0=1&C1&D3&H1&R2&B1 ! ! ! interface FastEthernet0 ip address 212.58.x.x 255.255.255.240 speed auto ! interface Serial0 description ##### bandwidth 1024 ip address 212.2.x.x 255.255.255.252 no ip route-cache no ip mroute-cache ! interface Async5 ip address 192.168.x.x 255.255.255.0 encapsulation ppp async default routing async mode interactive ppp callback accept ppp authentication pap ! ip classless ip classless no ip http server ip pim bidir-enable ! ! ! ! line con 0 line aux 0 script callback callback login local modem InOut modem autoconfigure type usrmodem transport input all autoselect during-login speed 300 flowcontrol hardware line vty 0 4 password ##### login ! no scheduler allocate end

--------- sh ver -----------

Cisco Internetwork Operating System Software IOS (tm) C1700 Software (C1700-SY-M), Version 12.2(8)YJ, EARLY DEPLOYMENT RELEAS E SOFTWARE (fc1) Synched to technology version 12.2(8.5)T TAC Support: http://www.cisco.com/tac Copyright (c) 1986-2002 by cisco Systems, Inc. Compiled Fri 21-Jun-02 15:38 by ealyon Image text-base: 0x80008124, data-base: 0x80B64A38

ROM: System Bootstrap, Version 12.2(7r)XM1, RELEASE SOFTWARE (fc1) ROM: C1700 Software (C1700-SY-M), Version 12.2(8)YJ, EARLY DEPLOYMENT RELEASE SO FTWARE (fc1)

bilfenrtr uptime is 1 day, 2 hours, 31 minutes System returned to ROM by power-on System restarted at 16:27:54 UTC Fri Nov 5 2004 System image file is "flash:c1700-sy-mz.122-8.YJ.bin"

cisco 1721 (MPC860P) processor (revision 0x100) with 29492K/3276K bytes of memor y. Processor board ID FOC06330050 (1457551649), 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(sync/async) network interface(s) 32K bytes of non-volatile configuration memory. 16384K bytes of processor board System flash (Read/Write)

Configuration register is 0x2102