Bilge, I notice that you have spped and duplex set to "auto". Are the FE interfaces running at 100Mb/s? If not, might explain 10 time slower throughput. "Show int" might help here. Hope this helps. Regards Pete S. --- Original Message --- Bilge Karabacak <[EMAIL PROTECTED]> Wrote on Mon, 06 Dec 1999 16:07:25 +0200 ------------------ Here you can find the output of "sh interfaces switching" ---------------SHOW INTERFACES SWITCHING-------------------- FastEthernet0/0 Throttle count 0 Drops RP 0 SP 0 SPD Flushes Fast 0 SSE 0 SPD Aggress Fast 0 SPD Priority Inputs 0 Drops 0 Protocol Path Pkts In Chars In Pkts Out Chars Out Other Process 9270 1271276 43202 2592120 Cache misses 0 Fast 0 0 0 0 Auton/SSE 0 0 0 0 IP Process 31582 2805762 8549 1442358 Cache misses 0 Fast 1210 78738 0 0 Auton/SSE 0 0 0 0 ARP Process 3204 192240 1085 65100 Cache misses 0 Fast 0 0 0 0 Auton/SSE 0 0 0 0 Interface Serial0/0 is disabled FastEthernet0/1 Throttle count 0 Drops RP 0 SP 0 SPD Flushes Fast 0 SSE 0 SPD Aggress Fast 0 SPD Priority Inputs 0 Drops 0 Protocol Path Pkts In Chars In Pkts Out Chars Out Other Process 65846 7862889 44130 2609371 Cache misses 0 Fast 0 0 0 0 Auton/SSE 0 0 0 0 IP Process 38088 4002553 190 13123 Cache misses 0 Fast 245624 42909834 1210 78738 Auton/SSE 0 0 0 0 ARP Process 238106 14285130 58 3480 Cache misses 0 Fast 0 0 0 0 Auton/SSE 0 0 0 0 Interface Serial0/1 is disabled Loopback0 Throttle count 0 Drops RP 0 SP 0 SPD Flushes Fast 0 SSE 0 SPD Aggress Fast 0 SPD Priority Inputs 0 Drops 0 Protocol Path Pkts In Chars In Pkts Out Chars Out No traffic sent or received on this interface. Brian wrote: > 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 > > > > > > _________________________________ > > FAQ, list archives, and subscription info: >http://www.groupstudy.com/list/cisco.html > > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] > > > > ----------------------------------------------- > Brian Feeny, CCNP+ATM, CCDP [EMAIL PROTECTED] > Network Administrator > ShreveNet Inc. (ASN 11881) _________________________________ FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] ----- Sent using MailStart.com ( http://MailStart.Com/welcome.html ) The FREE way to access your mailbox via any web browser, anywhere! _________________________________ FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]