Cisco Support Community
Showing results for 
Search instead for 
Did you mean: 
Users might experience few discrepancies in Search results. We are working on this on our side. We apologize for the inconvenience it may have caused.
New Member

Slow PIX 501 performance

PIX 501 connected to a residential cable modem. Speedtests are giving me 3mbit down. When I plug a machine into the cable modem I am getting 10-12mbit.

Posting pertinent info:

interface ethernet0 auto

interface ethernet1 100full

nameif ethernet0 outside security0

nameif ethernet1 inside security100

pager lines 24

mtu outside 1500

mtu inside 1500

ip address outside dhcp setroute

ip address inside INSIDE_IP

ip audit info action alarm

ip audit attack action alarm

pdm logging informational 100

pdm history enable

arp timeout 14400

global (outside) 1 interface

nat (inside) 1 SUBNET1 0 0

nat (inside) 1 SUBNET2 0 0

nat (inside) 1 0 0

timeout xlate 0:05:00

timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h225 1:00:00

timeout h323 0:05:00 mgcp 0:05:00 sip 0:30:00 sip_media 0:02:00

timeout sip-disconnect 0:02:00 sip-invite 0:03:00

timeout uauth 0:05:00 absolute

aaa-server TACACS+ protocol tacacs+

aaa-server TACACS+ max-failed-attempts 3

aaa-server TACACS+ deadtime 10

aaa-server RADIUS protocol radius

aaa-server RADIUS max-failed-attempts 3

aaa-server RADIUS deadtime 10

aaa-server LOCAL protocol local

aaa authentication ssh console LOCAL

http server enable

no snmp-server location

no snmp-server contact

snmp-server community public

no snmp-server enable traps

floodguard enable

telnet timeout 30

ssh outside

ssh inside

ssh timeout 60

console timeout 0

terminal width 80


Re: Slow PIX 501 performance

Ensure that the speed and duplex negotioated for the outside are correct, issue a "show interface e0" and see if you have any input/output errors.



Re: Slow PIX 501 performance

remove these lines:

nat (inside) 1 SUBNET1 0 0

nat (inside) 1 SUBNET2 0 0

New Member

Re: Slow PIX 501 performance

No error on the sh int command. I will remove those nat commands and see what happens.

New Member

Re: Slow PIX 501 performance

No difference in speed with the NAT commands removed. :(

CreatePlease to create content