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7.8

Metro E connection

Asked by TermEcho in Network Routers

Tags: Cisco Router

I have two routers a Cisco 1841 and a Cisco 3620. We have just invested in a Metro e 3.0 meg connection to replace a T1. I have put this connection into production last week only to have to revert back to my T1. The metro e connection started acting sluggish, I could not print across it to my print server, access files etc. here is my configurations:

Cisco 1841:
interface FastEthernet0/1
 description Metro E
 ip address 172.16.255.14 255.255.255.252
 speed auto
 full-duplex

Cisco 3620:
interface Ethernet1/0
 description Metro E
 ip address 172.16.255.13 255.255.255.252
 full-duplex

Any ideas on what would cause the connection to degrade? It almost seems like I have a bottle neck. After looking at each interface the 1841 was at 100 and the 3620 was at 10, I could not set the speed to 100 on the 3620 so I set the speed on the 1841 at 10 instead.

Here is the show interface for each BEFORE making the changes

Here is the show interface for each:

Cisco 3620:
show interface ethernet1/0
Ethernet1/0 is up, line protocol is up
  Hardware is AmdP2, address is 00e0.1e84.7671 (bia 00e0.1e84.7671)
  Description: Metro E
  Internet address is 172.16.255.13/30
  MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA, loopback not set
  Keepalive set (10 sec)
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 00:00:46, output 00:00:09, output hang never
  Last clearing of "show interface" counters 14:09:57
  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
  Queueing strategy: fifo
  Output queue: 0/40 (size/max)
  5 minute input rate 0 bits/sec, 0 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
     855 packets input, 302050 bytes, 0 no buffer
     Received 852 broadcasts, 0 runts, 0 giants, 0 throttles
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
     0 input packets with dribble condition detected
     5952 packets output, 647820 bytes, 0 underruns
     0 output errors, 0 collisions, 0 interface resets
     0 babbles, 0 late collision, 0 deferred
     0 lost carrier, 0 no carrier
     0 output buffer failures, 0 output buffers swapped out

Cisco 1841:
show interface FastEthernet0/1
FastEthernet0/1 is up, line protocol is up
  Hardware is Gt96k FE, address is 0022.5554.42d5 (bia 0022.5554.42d5)
  Description: Metro E
  Internet address is 172.16.255.14/30
  MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA, loopback not set
  Keepalive set (10 sec)
  Full-duplex, 100Mb/s, 100BaseTX/FX
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 00:00:00, output 00:00:04, output hang never
  Last clearing of "show interface" counters 14:25:36
  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
  Queueing strategy: fifo
  Output queue: 0/40 (size/max)
  5 minute input rate 8000 bits/sec, 17 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
     1090008 packets input, 65815314 bytes
     Received 1090005 broadcasts, 0 runts, 0 giants, 0 throttles
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
     0 watchdog
     0 input packets with dribble condition detected
     6149 packets output, 625872 bytes, 0 underruns
     0 output errors, 0 collisions, 0 interface resets
     0 babbles, 0 late collision, 0 deferred
     0 lost carrier, 0 no carrier
     0 output buffer failures, 0 output buffers swapped out

I have made a few changes, but would like to see if I have covered all areas before this network starts to get a lot more traffic on it. I have included each show interface and interface configuration out put as of now. Any suggestions would be great.

Cisco 3620:
show interfaces ethernet1/0
Ethernet1/0 is up, line protocol is up
  Hardware is AmdP2, address is 00e0.1e84.7671 (bia 00e0.1e84.7671)
  Description: Metro E
  Internet address is 172.16.255.13/30
  MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA, loopback not set
  Keepalive set (10 sec)
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 00:00:34, output 00:00:00, output hang never
  Last clearing of "show interface" counters 1d10h
  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
  Queueing strategy: fifo
  Output queue: 0/40 (size/max)
  5 minute input rate 1000 bits/sec, 3 packets/sec
  5 minute output rate 1000 bits/sec, 2 packets/sec
     9428 packets input, 1674660 bytes, 0 no buffer
     Received 2070 broadcasts, 0 runts, 0 giants, 0 throttles
     5 input errors, 5 CRC, 3 frame, 0 overrun, 0 ignored
     0 input packets with dribble condition detected
     19751 packets output, 2183182 bytes, 0 underruns
     0 output errors, 0 collisions, 0 interface resets
     0 babbles, 0 late collision, 0 deferred
     0 lost carrier, 0 no carrier
     0 output buffer failures, 0 output buffers swapped out

Cisco 1841:
show interface fastethernet0/1
FastEthernet0/1 is up, line protocol is up
  Hardware is Gt96k FE, address is 0022.5554.42d5 (bia 0022.5554.42d5)
  Description: Cox P2P
  Internet address is 172.16.255.14/30
  MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA, loopback not set
  Keepalive set (10 sec)
  Full-duplex, 10Mb/s, 100BaseTX/FX
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 00:00:00, output 00:00:00, output hang never
  Last clearing of "show interface" counters 00:45:58
  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
  Queueing strategy: fifo
  Output queue: 0/40 (size/max)
  5 minute input rate 12000 bits/sec, 24 packets/sec
  5 minute output rate 2000 bits/sec, 5 packets/sec
     63293 packets input, 4127677 bytes
     Received 57746 broadcasts, 0 runts, 0 giants, 0 throttles
     4 input errors, 4 CRC, 0 frame, 0 overrun, 0 ignored
     0 watchdog
     0 input packets with dribble condition detected
     8146 packets output, 1017549 bytes, 0 underruns
     0 output errors, 0 collisions, 6 interface resets
     0 babbles, 0 late collision, 0 deferred
     0 lost carrier, 0 no carrier
     0 output buffer failures, 0 output buffers swapped out

Here is my 1841 ethernet interface configuration:

interface FastEthernet0/1
 description Metro E
 ip address 172.16.255.14 255.255.255.252
 speed 10
 full-duplex
end

Here is my 3620 ethernet interface configuration:

interface Ethernet1/0
 description Metro E
 ip address 172.16.255.13 255.255.255.252
 full-duplex

Thanks,
[+][-]07/04/09 12:31 PM, ID: 24777783Accepted Solution

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About this solution

Zone: Network Routers
Tags: Cisco Router
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Solution Provided By: BinarySvant
Participating Experts: 2
Solution Grade: B
 
[+][-]07/03/09 05:04 PM, ID: 24775000Expert Comment

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[+][-]07/03/09 08:45 PM, ID: 24775654Author Comment

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[+][-]07/04/09 05:56 AM, ID: 24776771Expert Comment

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[+][-]07/13/09 02:36 PM, ID: 24844241Author Comment

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