On Mon, 6 Dec 1999, Bilge Karabacak wrote:
> I configured a Cisco 2621 router. The problem with this router is its
> throughput. It is ten times slower than a linux machine acting as a
> gateway with two ethernet interfaces. The properties of linux machine is
> Intel celeron 400, 64 MByte RAM. The second important point is that,
> the router gave this result with no access-lists. The last one to say is
> that,, NAT operation at this cisco 2621 degrades performance by 60%
> percent. This is ridicilous, if all cisco routers are like this one.
> May you please comment on this, after examining the configuration of the
> router? Is it normal? What should I do to increase performance?
> Below, you will find
Interesting,
Please show us the output of "sh interfaces switching". Also you may wish
to check bugs on ciscos site since NAT bugs are common in 12.0
Brian
>
> -----------------SHOW STARTUP-CONFIG------------------------
> !
> ! Last configuration change at 12:20:40 UTC Thu Nov 30 2000
> ! NVRAM config last updated at 13:01:17 UTC Thu Nov 30 2000
> !
> version 12.0
> service tcp-keepalives-in
> service timestamps debug datetime msec
> service timestamps log datetime msec
> service password-encryption
> !
> hostname router2
> !
> no logging buffered
> no logging console
> no logging monitor
> enable secret 5 ***********
> !
> !
> !
> !
> !
> memory-size iomem 15
> ip subnet-zero
> no ip source-route
> no ip finger
> ip tcp selective-ack
> ip tcp path-mtu-discovery
> ip telnet quiet
> !
> no ip bootp server
> ip audit notify log
> ip audit po max-events 100
> !
> !
> !
> !
> !
> !
> !
> !
> interface FastEthernet0/0
> ip address 192.168.1.89 255.255.255.0
> no ip unreachables
> no ip directed-broadcast
> ip nat inside
> no ip mroute-cache
> duplex auto
> speed auto
> no cdp enable
> !
> interface Serial0/0
> no ip address
> no ip directed-broadcast
> no ip mroute-cache
> shutdown
> no cdp enable
> !
> interface FastEthernet0/1
> ip address 193.177.77.77 255.255.255.0
> no ip unreachables
> no ip directed-broadcast
> ip nat outside
> no ip mroute-cache
> duplex auto
> speed auto
> no cdp enable
> !
> interface Serial0/1
> no ip address
> no ip directed-broadcast
> no ip mroute-cache
> shutdown
> no cdp enable
> !
> ip nat inside source list 2 interface FastEthernet0/1 overload
> ip classless
> ip route 0.0.0.0 0.0.0.0 FastEthernet0/1
> no ip http server
> !
> logging trap debugging
> logging facility local6
> logging source-interface FastEthernet0/0
> access-list 2 permit 192.168.1.0 0.0.0.255
> dialer-list 1 protocol ip permit
> dialer-list 1 protocol ipx permit
> no cdp run
> !
> line con 0
> password 7 ***************
> login
> transport input none
> line aux 0
> password 7 ****************
> login
> line vty 0 4
> password 7 **********************
> login
> transport input none
> !
> scheduler interval 500
> no scheduler allocate
> end
>
>
> --------------------SHOW VERSION-------------------
>
> Cisco Internetwork Operating System Software
> IOS (tm) C2600 Software (C2600-IO3S56I-M), Version 12.0(7)XK1, EARLY
> DEPLOYMENT
> RELEASE SOFTWARE (fc1)
> TAC:Home:SW:IOS:Specials for info
> Copyright (c) 1986-2000 by cisco Systems, Inc.
> Compiled Wed 15-Mar-00 08:53 by phanguye
> Image text-base: 0x80008088, data-base: 0x80EB7238
>
> ROM: System Bootstrap, Version 11.3(2)XA4, RELEASE SOFTWARE (fc1)
> ROM: C2600 Software (C2600-IO3S56I-M), Version 12.0(7)XK1, EARLY
> DEPLOYMENT RELE
> ASE SOFTWARE (fc1)
>
> router2 uptime is 4 days, 18 hours, 16 minutes
> System returned to ROM by reload at 15:57:01 UTC Fri Dec 1 2000
> System restarted at 15:58:42 UTC Fri Dec 1 2000
> System image file is "flash:aaa1321.bin"
> Host configuration file is "tftp://192.168.5.78/router2_acl"
>
> cisco 2621 (MPC860) processor (revision 0x102) with 41984K/7168K bytes
> of memory
> .
> Processor board ID JAB040906MD (3523830294)
> M860 processor: part number 0, mask 49
> Bridging software.
> X.25 software, Version 3.0.0.
> 2 FastEthernet/IEEE 802.3 interface(s)
> 2 Low-speed 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
>
>
> _________________________________
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>
-----------------------------------------------
Brian Feeny, CCNP+ATM, CCDP [EMAIL PROTECTED]
Network Administrator
ShreveNet Inc. (ASN 11881)
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Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
