LAN, Switching and Routing

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Module status shows unsupported module when installed in slot 10 of the Catalyst 4510R Switch chassis with Supervisor V
Last Reply 8 years 1 month ago.
1159
0.0
0 SunilKhanna
MAC Addresses used by the Cisco 3750
Last Reply 8 years 1 month ago.
1966
0.0
0 Oliver Gorwits
SFP
Last Reply 8 years 1 month ago.
4410
0.0
0 ITA Terms
CEF
Last Reply 8 years 1 month ago.
1192
0.0
0 ITA Terms
Error Message received, but is not currently listed in the LAN Switching knowledge base.
Last Reply 8 years 1 month ago.
176
0.0
0 TCC_2
The %SYS-3-PORT_OUT_DISCARD: intermittent port error messages are received in Catalyst 6500 Series Switches that run CatOS software
Last Reply 8 years 1 month ago.
2996
0.0
0 TCC_2
The WS-X6724-SFP module with DFC3A resets with the "%SYS-DFC7-2-MALLOCFAIL" error message in Cisco Catalyst 6500 switches that run Cisco IOS Software
Last Reply 8 years 1 month ago.
376
0.0
0 TCC_2
How to configure a Voice-over-IP (VoIP) network on the Cisco Catalyst 6500 series switches
Last Reply 8 years 1 month ago.
1103
0.0
0 TCC_2
The MSFC reloads and goes into ROMmon mode after the PFC version detected does not match configured version error appears
Last Reply 8 years 1 month ago.
599
0.0
0 TCC_2
A Cisco Catalyst 6500 or 6000 series switch running CatOS logs the SYS-3-SYS_LCPERR3 syslog error message
Last Reply 8 years 4 weeks ago.
336
0.0
0 TCC_2
A Catalyst 6000 family switch with dual MSFCs displays the %IPC-5-NULL: Registering Control Port Id=0x2210003 message approximately every 30 seconds
Last Reply 8 years 4 weeks ago.
193
0.0
0 TCC_2
Users receive the "%ONLINE-SP-6-DNLDFAIL" error message in the logs of a Catalyst 6500 series switch
Last Reply 8 years 4 weeks ago.
725
0.0
0 TCC_2
Input errors on the Layer-3 interface of Catalyst 6500 switch running Cisco IOS when connected to the Layer-2 switchport of CatOS switch
Last Reply 8 years 4 weeks ago.
1443
0.0
0 TCC_2
Output scrolls by and does not stop when "show" commands are issued
Last Reply 8 years 4 weeks ago.
17827
5.0
0 TCC_2
Create VLAN In Text Mode
Last Reply 8 years 3 weeks ago.
795
0.0
0 Justin Reeve
Comparison Cisco Catalyst and Cisco IOS Operating Systems
Last Reply 8 years 3 weeks ago.
1661
0.0
0 SunilKhanna
Cisco Catalyst 4500 E-Series Switches
Last Reply 8 years 3 weeks ago.
2107
0.0
0 Roberto Cruz
Cisco Catalyst 2950T 48 SI Switch
Last Reply 8 years 3 weeks ago.
1489
0.0
0 Ashley Price
How NetFlow works when only one of the two supervisors has a NetFlow Services Card (WS-F4531) in Cisco Catalyst 4500/4000 running Cisco IOS
Last Reply 8 years 6 days ago.
785
0.0
0 TCC_2
Configuring EtherChannel results in ports being errdisabled, and fails to form channels due to spanning tree loops caused by VLAN misconfiguration
Last Reply 8 years 6 days ago.
441
0.0
0 TCC_2
User receives the "%SYS-5-SYS_LCPERR5:Coil Pinnacle Header Checksum" error message on a 6248 or 6348 line card installed in a Catalyst 6000 Series platform due to either a hardware or software issue
Last Reply 8 years 6 days ago.
1028
0.0
0 TCC_2
High CPU utilization on a Catalyst 4500 when connected to an IP phone that uses trunk ports
Last Reply 8 years 6 days ago.
623
0.0
0 TCC_2
How to keep a VLAN in an "UP/UP" state with no clients or hosts connected in that VLAN
Last Reply 8 years 6 days ago.
2058
0.0
0 TCC_2
A Catalyst 6500 or 7600 switch with Sup720 that runs native Cisco IOS can reload with a breakpoint exception (signal=5)
Last Reply 8 years 6 days ago.
1221
0.0
0 TCC_2
Supervisor 720 based Catalyst 6500 and 7600 Series Switches running Cisco IOS display the "SP: Linecard endpoint of Channel [dec] lost Sync. to Lower fabric and trying to recover now" error message
Last Reply 8 years 6 days ago.
1627
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0 TCC_2

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