Interface Configuration

Unanswered Question
Jan 6th, 2008

Why is the being shown on eth0/0 and eth0/1 ?

Traffic Statistics for "inside":

12012747 packets input, 1762314015 bytes

15294460 packets output, 15323589877 bytes

317420 packets dropped

1 minute input rate 2 pkts/sec, 196 bytes/sec

1 minute output rate 1 pkts/sec, 388 bytes/sec

1 minute drop rate, 0 pkts/sec

5 minute input rate 1 pkts/sec, 219 bytes/sec

5 minute output rate 1 pkts/sec, 362 bytes/sec

5 minute drop rate, 0 pkts/sec

Interface Vlan2 "outside", is up, line protocol is up

Hardware is EtherSVI, BW 100 Mbps, DLY 100 usec

MAC address 001d.a2f4.d372, MTU 1500

IP address xx.xx.x.136, subnet mask 255.255.255.128

Traffic Statistics for "outside":

14662243 packets input, 15342849094 bytes

10872119 packets output, 1595307364 bytes

103835 packets dropped

1 minute input rate 1 pkts/sec, 435 bytes/sec

1 minute output rate 2 pkts/sec, 239 bytes/sec

1 minute drop rate, 0 pkts/sec

5 minute input rate 1 pkts/sec, 356 bytes/sec

5 minute output rate 1 pkts/sec, 203 bytes/sec

5 minute drop rate, 0 pkts/sec

Interface Ethernet0/0 "", is up, line protocol is up

Hardware is 88E6095, BW 100 Mbps, DLY 100 usec

Full-Duplex(Full-duplex), 100 Mbps(100 Mbps)

Available but not configured via nameif

MAC address 001d.a2f4.d36a, MTU not set

IP address unassigned

14662259 packets input, 15615045391 bytes, 0 no buffer

Received 1539 broadcasts, 0 runts, 0 giants

301 input errors, 301 CRC, 0 frame, 0 overrun, 301 ignored, 0 abort

0 L2 decode drops

0 switch ingress policy drops

10872138 packets output, 1835905059 bytes, 0 underruns

0 output errors, 0 collisions, 0 interface resets

0 babbles, 0 late collisions, 0 deferred

0 lost carrier, 0 no carrier

0 rate limit drops

0 switch egress policy drops

Interface Ethernet0/1 "", is up, line protocol is up

Hardware is 88E6095, BW 100 Mbps, DLY 100 usec

Full-Duplex(Full-duplex), 100 Mbps(100 Mbps)

Available but not configured via nameif

MAC address 001d.a2f4.d36b, MTU not set

IP address unassigned

12023333 packets input, 2030829022 bytes, 0 no buffer

Received 501322 broadcasts, 0 runts, 0 giants

8737 input errors, 8737 CRC, 0 frame, 0 overrun, 8737 ignored, 0 abort

0 L2 decode drops

0 switch ingress policy drops

15294460 packets output, 15613441291 bytes, 0 underruns

0 output errors, 0 collisions, 0 interface resets

0 babbles, 0 late collisions, 0 deferred

0 lost carrier, 0 no carrier

0 rate limit drops

0 switch egress policy drops

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JORGE RODRIGUEZ Sun, 01/06/2008 - 12:50

your interface errors is typical indications of speed/duplex missmatches, even though you have 100/full duplex hard coded on interface inside and outside check that whatever they connect to the speed and duplex is also hardcoded..

if your inside physical is connected to a switch make sure switch port is set to 100/full, same for outside, in some cases outside connects to unmanageable device where you cannot set the transmission speed, if this is the case then make your outside firewall physical interface is set to auto/auto.

after you check these and make proper speed corrections issue clear counters on firewall and look at the interfaces to see if problem is gone.

Rgds

Jorge

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