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6.2

GigabitEthernet Interface down

Asked by ciro711 in Network Switches & Hubs

Tags: down, line, protocol

I have two switches a 2960G and a 3560.  I am trying to connect these two via a 90 meter 62.5 MMF fiber using Cisco SFP's.
I can't figure out why I have no link between these switches.
This is what the interfaces look like at both switches:

GigabitEthernet0/21 is down, line protocol is down (notconnect)
  Hardware is Gigabit Ethernet, address is 0017.9534.1e15 (bia 0017.9534.1e15)
  MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA, loopback not set
  Keepalive not set
  Auto-duplex, Auto-speed, link type is auto, media type is 1000BaseSX SFP
  input flow-control is off, output flow-control is unsupported
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input never, output never, output hang never
  Last clearing of "show interface" counters never
  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
     0 packets input, 0 bytes, 0 no buffer
     Received 0 broadcasts (0 multicast)
     0 runts, 0 giants, 0 throttles
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
     0 watchdog, 0 multicast, 0 pause input
     0 input packets with dribble condition detected
     0 packets output, 0 bytes, 0 underruns
     0 output errors, 0 collisions, 3 interface resets
     0 babbles, 0 late collision, 0 deferred
     0 lost carrier, 0 no carrier, 0 PAUSE output
     0 output buffer failures, 0 output buffers swapped out

Here is the config on the 2960G
Current configuration : 2306 bytes
!
version 12.2
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname PPI2960G
!
enable secret
enable password
!
username ssmiley privilege 15 password
no aaa new-model
ip subnet-zero
!
ip domain-name ppidomain.local
ip name-server 10.1.1.200
cluster enable ppiswitch 0
!
!
!
errdisable recovery cause udld
errdisable recovery cause bpduguard
errdisable recovery cause security-violation
errdisable recovery cause channel-misconfig
errdisable recovery cause pagp-flap
errdisable recovery cause dtp-flap
errdisable recovery cause link-flap
errdisable recovery cause gbic-invalid
errdisable recovery cause psecure-violation
errdisable recovery cause dhcp-rate-limit
errdisable recovery cause unicast-flood
errdisable recovery cause vmps
errdisable recovery cause storm-control
errdisable recovery cause loopback
no file verify auto
spanning-tree mode pvst
spanning-tree extend system-id
!
vlan internal allocation policy ascending
!
interface GigabitEthernet0/1
!
interface GigabitEthernet0/2
!
interface GigabitEthernet0/3
!
interface GigabitEthernet0/4
!
interface GigabitEthernet0/5
!
interface GigabitEthernet0/6
!
interface GigabitEthernet0/7
!
interface GigabitEthernet0/8
!
interface GigabitEthernet0/9
!
interface GigabitEthernet0/10
!
interface GigabitEthernet0/11
!
interface GigabitEthernet0/12
!
interface GigabitEthernet0/13
!
interface GigabitEthernet0/14
!
interface GigabitEthernet0/15
!
interface GigabitEthernet0/16
!
interface GigabitEthernet0/17
!
interface GigabitEthernet0/18
!
interface GigabitEthernet0/19
!
interface GigabitEthernet0/20
!
interface GigabitEthernet0/21
!
interface GigabitEthernet0/22
!
interface GigabitEthernet0/23
!
interface GigabitEthernet0/24
 media-type sfp
!
interface Vlan1
 ip address 10.1.1.3 255.255.255.0
 no ip route-cache
!
ip default-gateway 10.1.1.254
ip http server
!
!
control-plane
!
banner login ^CAuthorized access only. Please enter your username and password.^
C
banner motd ^CThis is a secure site. Only authorized users are allowed. For acce
ss contact Park Place International.^C
!
line con 0
 logging synchronous
 login local
line vty 0 4
 password
 login local
line vty 5 15
 password
 no login
!
!
end
[+][-]02/11/07 02:55 PM, ID: 18511793Expert Comment

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[+][-]10/20/07 03:11 AM, ID: 20114314Accepted Solution

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About this solution

Zone: Network Switches & Hubs
Tags: down, line, protocol
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Solution Provided By: td_miles
Participating Experts: 2
Solution Grade: A
 
 
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