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- About RASHID ASGHAR
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Member since
07-09-2013
5
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0
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Created by
RASHID ASGHAR
in Small Business Switches
in Small Business Switches
11-19-2014
10:25 PM
11-19-2014
10:25 PM
how to configure security against local network, internet threats in SG300-28 28-Port Gigabit Managed Switch?
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Created by
RASHID ASGHAR
in Other Wireless - Mobility Subjects
in Other Wireless - Mobility Subjects
02-26-2014
09:03 AM
02-26-2014
09:03 AM
Frame check sequence (FCS) errors indicate that frames of data are being corrupted during transmission. FCS error count is the number of frames that were transmitted/received with a bad checksum (CRC value) in the Ethernet frame. These frames are dropped and not propagated onto other ports. Could be caused by many different things.. Many performance issues with NICs can be related to data link errors. Excessive errors usually indicate a problem. When operating at half-duplex setting, some data link errors such as Frame Check Sequence (FCS), alignment, runts, and collisions are normal. Generally, a one percent ratio of errors to total traffic is acceptable for half-duplex connections. If the ratio of errors to input packets is greater than two or three percent, performance degradation may be noticed. In half-duplex environments, it is possible for both the switch and the connected device to sense the wire and transmit at exactly the same time and result in a collision. Collisions can cause runts, FCS, and alignment errors due to the frame not being completely copied to the wire which results in fragmented frames. When operating at full-duplex, FCS, Cyclic Redundancy Checks (CRC), alignment errors, and runt counters should be minimal. If the link is operating at full-duplex, the collision counter is not active. If the FCS, CRC, alignment, or runt counters are incrementing, check for a duplex mismatch. Duplex mismatch is a situation where the switch is operating at full-duplex and the connected device is operating at half-duplex, or vice versa. The result of a duplex mismatch will be extremely slow performance, intermittent connectivity, and loss of connection. Other possible causes of data link errors at full-duplex are bad cables, faulty switch port, or NIC software/hardware issues. Regards Rashid Asghar
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02-16-2014
10:59 PM
CAN ANYBODY GUIDE ME ABOUT THE BASICS OF IPV6 AND IPV6 SUBNETTING.........??? HOW IT,S WORK.
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- Tags:
- configuration
- design
- dhcp
- dhcpv6
- error_message
- example
- faq
- ios
- ios_ipv6_configuration_guide
- ip_multicast
- ip_routing
- ipsec
- ipv4
- ipv6
- ipv6_support_cisco_ios_device_router
- multicast
- ospf
- ospfv3
- pbr
- router
- routing
- telnet
- troubleshoot
- troubleshooting
- world_ipv6_day
Labels:
Created by
RASHID ASGHAR
in Other Wireless - Mobility Subjects
in Other Wireless - Mobility Subjects
02-11-2014
02:37 AM
02-11-2014
02:37 AM
! version 15.2 no service pad service timestamps debug datetime msec service timestamps log datetime msec service password-encryption ! hostname Php ! ! logging rate-limit console 9 enable secret 5 $1$icM5$N/nc3E1UFeA6He0/WUtO/1 ! no aaa new-model no ip routing no ip cef ! ! ! ! dot11 syslog ! dot11 ssid Php authentication open guest-mode ! dot11 band-select parameters cycle-count 3 cycle-threshold 200 expire-supression 20 expire-dual-band 60 client-rssi 80 ! dot11 network-map dot11 adjacent-ap age-timeout 1000 dot11 guest ! ! ! username Cisco password 7 106D000A0618 username admin privilege 15 secret 5 $1$N9mw$Bzw6WJypMzG0hCc9XaRQV/ ! ! bridge irb ! ! ! interface Dot11Radio0 bandwidth 10000000 no ip address no ip route-cache ! encryption key 1 size 40bit 7 8A0DE8A0C95E transmit-key encryption mode wep optional ! ssid Php ! antenna gain 0 stbc speed basic-1.0 2.0 5.5 11.0 6.0 9.0 12.0 18.0 24.0 36.0 48.0 54.0 station-role root bridge-group 1 bridge-group 1 subscriber-loop-control bridge-group 1 spanning-disabled bridge-group 1 block-unknown-source no bridge-group 1 source-learning no bridge-group 1 unicast-flooding ! interface Dot11Radio1 bandwidth 10000000 no ip address no ip route-cache ! encryption key 1 size 40bit 7 D20EB4C0DC26 transmit-key encryption mode wep optional ! ssid Php ! antenna gain 128 peakdetect no dfs band block stbc speed basic-6.0 9.0 12.0 18.0 24.0 36.0 48.0 54.0 channel dfs station-role root bridge-group 1 bridge-group 1 subscriber-loop-control bridge-group 1 spanning-disabled bridge-group 1 block-unknown-source no bridge-group 1 source-learning no bridge-group 1 unicast-flooding ! interface GigabitEthernet0 no ip address no ip route-cache duplex auto speed auto bridge-group 1 bridge-group 1 spanning-disabled no bridge-group 1 source-learning ! interface BVI1 ip address 192.168.1.11 255.255.255.0 rate-limit input 2000000000 512000000 1024000000 conform-action transmit exceed -action transmit rate-limit output 2000000000 512000000 512000000 conform-action transmit exceed -action transmit no ip route-cache ! ip default-gateway 192.168.1.1 ip forward-protocol nd ip http server no ip http secure-server ip http help-path http://www.cisco.com/warp/public/779/smbiz/prodconfig/help/eag ! ! bridge 1 route ip ! ! ! line con 0 line vty 0 4 login local transport input all ! end
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Created by
RASHID ASGHAR
in Other Wireless - Mobility Subjects
in Other Wireless - Mobility Subjects
12-09-2013
01:49 AM
12-09-2013
01:49 AM
ap: boot Loading "flash:/ap3g2-k9w7-mx.152-4.JA1/ap3g2-k9w7-xx.152-4.JA1"...flash:/ap3g2- k9w7-mx.152-4.JA1/ap3g2-k9w7-xx.152-4.JA1: no such file or directory Error loading "flash:/ap3g2-k9w7-mx.152-4.JA1/ap3g2-k9w7-xx.152-4.JA1" Interrupt within 5 seconds to abort boot process. Loading "flash:/ap3g2-k9w7-mx.152-4.JA1/ap3g2-k9w7-mx.152-4.JA1"...############# ############## File "flash:/ap3g2-k9w7-mx.152-4.JA1/ap3g2-k9w7-mx.152-4.JA1" uncompressed and i nstalled, entry point: 0x2003000 executing... Secondary Bootloader - Starting system. Xmodem file system is available. ap: boot Loading "flash:/ap3g2-k9w7-mx.152-4.JA1/ap3g2-k9w7-xx.152-4.JA1"...flash:/ap3g2- k9w7-mx.152-4.JA1/ap3g2-k9w7-xx.152-4.JA1: no such file or directory Error loading "flash:/ap3g2-k9w7-mx.152-4.JA1/ap3g2-k9w7-xx.152-4.JA1" Interrupt within 5 seconds to abort boot process. Unable to locate IOS image with name **xx**. Boot CMD: 'flash:/ap3g2-k9w7-xx.152-4.JA1/ap3g2-k9w7-mx.152-4.JA1' Loading "flash:/ap3g2-k9w7-xx.152-4.JA1/ap3g2-k9w7-mx.152-4.JA1"...flash:/ap3g2- k9w7-xx.152-4.JA1/ap3g2-k9w7-mx.152-4.JA1: no such file or directory Error loading "flash:/ap3g2-k9w7-xx.152-4.JA1/ap3g2-k9w7-mx.152-4.JA1" Interrupt within 5 seconds to abort boot process. Boot process failed... ap: ap: ap: DEVICE IS NOW IN AP MODE HOW CAN I EASILY LOAD ANOTHER IOS............................TELL ME SOME AP MODE COMMANDS
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- Tags:
- 3602e
- cisco_aironet
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| Date Registered | 07-09-2013 03:44 AM |
| Date Last Visited | 08-18-2017 04:03 AM |
| Total Messages Posted | 5 |
