Category:Routers

C

• [+] Cisco 1000 Series Routers
• [+] Cisco 10000 Series Routers
• [+] Cisco 10700 Series Routers
• [+] Cisco 1100 Series Routers
• [+] Cisco 12000 Series Routers
• [+] Cisco 1400 Series Routers
• [+] Cisco 1600 Series Routers
• [+] Cisco 1700 Series Modular Access Routers
• [+] Cisco 1800 Series Integrated Services Routers
• [+] Cisco 2000 Series Routers
• [+] Cisco 2500 Series Routers
• [+] Cisco 2600 Series Multiservice Platforms
• [+] Cisco 2800 Series Integrated Services Routers
• [+] Cisco 3000 Series Routers
• [+] Cisco 3200 Series Wireless and Mobile Routers

C cont.

• [+] Cisco 3600 Series Multiservice Platforms
• [+] Cisco 3700 Series Multiservice Access Routers
• [+] Cisco 3800 Series Integrated Services Routers
• [+] Cisco 4000 Series Routers
• [+] Cisco 5700 Series Routers
• [+] Cisco 600 Series DSL Customer Premises Equipment Routers
• [+] Cisco 6400 Series Broadband Aggregators
• [+] Cisco 700 Series ISDN Access Routers
• [+] Cisco 7000 Series Routers
• [+] Cisco 7200 Series Routers
• [+] Cisco 7300 Series Routers
• [+] Cisco 7400 Series Routers
• [+] Cisco 7500 Series Routers
• [+] Cisco 7600 Series Routers
• [+] Cisco 800 Series Routers
• [+] Cisco AGS Plus Routers

C cont.

• [+] Cisco Carrier Routing System
• [+] Cisco Compatible Micro Router Series
• [+] Cisco Compatible RISC Router Series
• [+] Cisco IGS Router Series
• [+] Cisco IOS XR Software
• [+] Cisco MC3810 Multiservice Access Concentrators
• [+] Cisco MWR 1900 Mobile Wireless Routers
• [+] Cisco Power Supplies
• [+] Cisco Router and Security Device Manager
• [+] Cisco SB 100 Series Small-Business Routers
• [+] Cisco SOHO 70 Series Routers
• [+] Cisco SOHO 90 Series Secure Broadband Routers
• [+] Cisco XR 12000 Series Router
• [+] CiscoPro CPA 900 Series Routers

3

• 3600 and 2600 IMA deletes member links from the group due to T1 differential delay

7

• 7200 series router reloads unexpectedly during normal operation

A

• A 1700 series router with a VPN module installed fails at bootup and displays the SYSTEM INIT INSUFFICIENT MEMORY TO BOOT THE IMAGE! error message due to a shortage of I/O memory
• A 3600 series router displays the OIRINT OIR Event has occurred error message
• A 3600 series router displays the OIRINT: OIR Event has occurred error message
• A C7200-3-PACONFIGExceeds message is displayed on a Cisco 7200 series router
• A Cannot communicate boot variable to slave error message appears when issuing the write memory command on a Cisco 7500 series router due to a communication issue with the slave RSP
• A Catalyst 6500 or 7600 switch with Sup720 that runs native Cisco IOS can reload with a breakpoint exception (signal=5)
• A Cisco 1700, 2600, 3600 or 3700 series router is unable to boot from a TFTP server from ROMmon mode due to no Cisco IOS image being in Flash
• A Cisco 2600, 3600 or 3700 series router goes into a boot loop with ERR-1-GT64010 Fatal error, PCI Master read error messages due to defective or mis-seated hardware
• A Cisco 7200 series router displays the Bad CPU ID error message at bootup
• A Cisco 7500 series router displays a CI-4-ENVWARN or CI-2-ENVCRIT message
• A Cisco 7500 series router displays the RSP-3-ERROR MD error message
• A Cisco 7500 series router displays the RSP-3-RESTART cbus complex error message
• A Cisco Catalyst 2950 switch that runs Cisco IOS system software reloads with the System returned to ROM by error - Signal 10, Exception code (0x001C)!, PC 0x8055D560 bus error
• A Cisco Catalyst 6500 switch that runs Cisco IOS Software reloads, and the ALIGN-1-FATAL error message is displayed
• A Cisco router is stuck in ROMmon mode
• A DBUS-3-DBUSINTERRSWSET error message appears in the log
• A Not enough space in NVRAM error message occurs when attempting to save the configuration because the configuration size is larger than NVRAM
• A SYS-3-CPUHOG error message is displayed on a Cisco router
• A Supervisor 720-based Catalyst 6500 that runs Cisco IOS Software experiences failover because the fabric channel is unable to sync
• A T1 and E1 combination port adapter does not show up in the show run or show version command output due to the card type command not being configured
• A VIP-3-BADMALUCMD error message appears in the log
• A Wrong system software for this hardware error message is displayed after upgrading the Cisco IOS Software image
• A motor noise is experienced on VoIP calls across Frame Relay if cRTP and fast switching are enabled
• A processor memory parity error causes multiple crashes for the 7200 and 7500 series routers
• A prompt to erase Flash occurs when issuing the copy running-config startup-config command
• A router loads Cisco IOS Software successfully after an upgrade using the xmodem command, yet no file is in the Flash
• A router produces error messages followed by the SYS-6-BOOT MESSAGES Messages above this line are from the boot loader informational message at bootup
• A router with VPN Accelerator Module (VAM) displays the VPN HW-1-PACKET ERROR slot 6 Packet Encryption/Decryption error,Output replay error(0x08000000) error message
• AAA requests sent by Router / Switch to Cisco Secure ACS server fails as it contains wrong source IP address
• AIM-ATM initialization fails
• ATM PVC bundle and bundle interface is DOWN because of incomplete configuration
• ATM PVC bundle is DOWN with PG down
• ATM bundle and subinterface is DOWN because bumping is exhausted
• ATM bundle and subinterface is down with PV down
• ATM, voice, switch, or VPN modules are not recognized after a Cisco IOS Software upgrade to the supported software train
• After Cisco Unity 4.2 is installed, Cisco Personal Assistant application stops to work
• After SRST failover and router reload, incoming calls and outgoing calls fail with a re-order tone through the Cisco IOS MGCP gateway (PRI). The 0x80A9 - Temporary failure error message is displayed after the user issues the debug mgcp pack...
• After an unsuccessful VPN client session , the router with IOS version 12.3 shows that the user is still logged in.
• After an upgrade to Cisco CallManager 4.x, cannot modify users in the Active Directory or update device associations with Cisco CallManager Administration, which results in the 1009 Could not update user violation constraint error message
• After the MCS is replaced and the Cisco CallManager 4.x is restored on a new MCS, the MoH service fails to start
• After the Microsoft Windows 2000 is upgraded to 2000-4.4, motherboard failure occurs on IBM server models MCS-7845-I1-IPC1 and MCS-7845-I1-ECS1
• After the transcoding sessions are configured on the 28xx router, unable to add the transcoder on the Cisco CallManager 4.x, and the Device in use already error message appears
• Alarm LED lit on WIC-1DSU-T1
• An AIM is not recognized by a Cisco 2600/3600/3700 series router
• An MGCP Cisco IOS Software based gateway cannot be configured correctly by Cisco CallManager
• An active Supervisor Engine 720 crashes after a redundant supervisor is inserted in Catalyst 6500 and Catalyst 7600 series switches
• Analog FXS and FXO hardware support on 2600, 3600 and VG200 series platforms
• Analog FXS and FXO hardware support on Cisco 175x platforms
• Analog FXS or FXO hardware support on Catalyst 4000 platforms

A cont.

• AutoQoS for VoIP

B

• BRI multilink calls fail because the router does not attempt to dial the second number
• Buffer tuning

C

• CBUS-3-CCBPTIMEOUT or CBUS-3-CMDTIMEOUT errors are reported
• CallManager server response is slow
• CallManager service does not start on reboot and the MMManInitinitializing routeplan error message is found in the Event Viewer application, CallManager and SDL traces
• Can a 1760 router act as a gateway in a IP Telephony setup?
• Can a 871 router can be configured for LWAPP mode with a 4400 controller
• Can a router running Cisco IOS software be configured to allow Cisco VPN Client connections?
• Can an ATM port adapter in a VIP be hot-swapped on a Cisco 7500 series router
• Cannot autonegotiate port speed and duplex due to port configuration or NIC driver capability
• Cannot break to ROMmon because the no service password-recovery command has been configured
• Cannot configure T.37 on-ramp and off-ramp faxing on Communication Media Module (CMM)
• Cannot configure the Cisco VIC-4FXS/DID Analog Voice Interface Card to use DID trunk ports on a Cisco 2821 voice gateway
• Cannot delete a global directory user from the CCMAdmin page on Cisco CallManager, the Could not delete user. UserID=username error message is displayed
• Cannot erase or copy to Flash on a Cisco 1600, 2500, or AS5200 series router dev open System flash not writable or Error erasing flash
• Cannot establish LAN-to-LAN IPSec/GRE tunnel - Added GRE to existing IPSec tunnel
• Cannot restore the phone button template information from a Backup and Restore System (BARS) backup. The error message Error in retrieving Phone Template is displayed
• Cannot save configuration due to simultaneous access to NVRAM Error opening nvram/startup-config (Device or resource busy) error message
• Choppy voice heard on VoIP or VoFR calls across a public Frame Relay network
• Cisco 2600, 3600, and 3700 series routers reload continuously
• Cisco 2800 Series Routers crash with SYS-2-MALLOCFAIL Memory fragmentation No Alternate pool errors
• Cisco 7200 or 7500 series router cannot access the Flash memory on the Flash disk
• Cisco 7200 series router with an NPE-300 and 64MB of total DRAM fails to boot a Cisco IOS image
• Cisco 7900 Series IP phones reset intermittently after upgrade to Cisco CallManager version 3.3(3)
• Cisco IOS Software and hardware support for analog FXO and FXS cards
• Cisco Unity Express Voice Mail FAQ
• Client adapter causes Windows to shut down
• Configure ISL trunking between Catalyst switches that run CatOS and Cisco IOS (native mode)
• Configuring Telnet, console, and AUX port passwords
• Configuring ds0-group on an MFT VWIC brings down the voice gateway serial interface
• Connectivity issues between subnets connected to the same router
• Continuous boot loop due to insufficient memory
• Continuous boot loop, not enough memory in the system for I/O memory

D

• Degraded performance over a Frame Relay link due to high CPU utilization
• Dialin users are unable to connect at 56K and are often capped at 33K
• Differentiate Layer 2 operations in Catalyst OS and Cisco IOS Software on Catalyst 6500 series switches.
• Dropped calls are experienced intermittently when calling a mobile phone through a PRI connected voice gateway
• During the installation of the new FlexWAN card, the EOS-2-INT error message is received on the Cisco Catalyst 7600 Series switches running 12.2(18)SXE2
• Dynamic Multipoint VPN (DMVPN) tunnel flapping intermittently

E

• E&M VIC support on Cisco 2600 and 3600 series routers.
• E&M VIC support on the Cisco 1700 series access router
• EIGRP and OSPF neighbors flap over the GRE tunnel
• EIGRP packets are not sent across an ATM PVC due to missing broadcast keyword in the PVC configuration
• EIGRP route is not installed in the routing table
• Easy VPN hardware clients with VTI configured for no-split tunneling break with the default route pushed by the server
• Enabling ROMmon security to prevent a person without physical access to the router from viewing the configuration file (no service password-recovery command)
• Error message ?SVCLC-5-FWTRUNK Firewalled VLANs configured on trunks? is received in Catalyst 6500 Series Switches with Firewall Services Module (FWSM) running Cisco IOS® software
• Error message ?SVCLC-5-FWTRUNK Firewalled VLANs configured on trunks? is received in Catalyst 6500 Series Switches with Firewall Services Module (FWSM) running Cisco IOS ® software
• Ethernet media problems - excessive noise, excessive collisions, excessive runt frames, late collisions, and no link integrity on 10Base-T, 100Base-T4, or 100Base-TX
• Extended authentication fails for AAA clients with Cisco Secure ACS

F

• FAQ on Cisco 1800 Series ISR.

F cont.

• FIB-3-xxxxx or FIB-4-xxxxx CEF-related error messages
• Failover does not work. Failover interface is in a Waiting state.
• Failover does not work. There is an IP address problem.
• Failover not working with the Pix Firewall
• Fast memory is low on a Cisco 7500 Series Router
• Fax transmissions are incomplete or corrupted due to digital clock slips on a Cisco 2600 or 3700 series gateway with an AIM-VOICE-30 voice module
• Fax transmissions are incomplete or corrupted due to digital clock slips on a Cisco 2800 or 3800 Integrated Services Router (ISR) gateways
• Few modems connect, and subsequent calls from same clients ring busy or hang, due to a Cisco IOS anomaly
• Flash memory problem Received Open device slotd failed (bad device info block) error message
• Flash memory shows as Read Only in the output of the show version or show flash commands
• Flash space is not freed after deleting a file
• Frame Relay line protocol flaps with increasing interface resets or LMI timeouts
• Functionality details of the Advanced Interface Module for VPN

G

• Garbage output is seen on the console port
• Getting log message AAAA-3-INVSTATE unknown AUTHOR/EXEC Internal state is invalid astruct 0x487EF918 ustruct 0x0 on Cat 6500 series switch and Cisco IOS Router

H

• Hardware and software compatibility and memory requirements for the Cisco 2600, 3600 and 3700 series routers
• Hardware installation and maintenance procedure for the Cisco 1600, 1700, 2500, 2600, 3600, and 3700, 4000, 4500, and 4700 series routers
• Hardware, software and feature compatibility and memory requirements
• High CPU utilization on a router
• High CPU utilization on the CSM blade in Catalyst 6500 series switches
• Hot swapped line card is not detected with the OIR-3-LONGSTALL Long bus stall (nnnn aaaa), the new PAM may not seated properly. Please remove it and try again. logged error message and the new line card may not be seated properly
• How To Configure Cisco Express Forwarding (CEF)
• How and when to configure an ISAKMP profile for VPN tunnels on routers
• How can I verify that the Cisco Unity license upgrade was successful?
• How do I configure IPSec without encryption?
• How do I configure Layer 2 Tunneling Protocol (L2TP) over IPSec?
• How do I configure V.92 MoH?
• How do I set custom TACACS login prompts in RME 4.0?
• How do you troubleshoot DSP on NM-HDV for Cisco 2600/3600/VG200 Series Routers?
• How does Cisco Unity licensing work?
• How does OSPF select the best route and does load balancing work across multiple paths?
• How does load balancing work?
• How does the Cisco Catalyst 6500 Series WLSM provide fast secure roaming across subnets
• How long is the PIX Firewall failover cable and can you use a longer cable?
• How to add a new network to the current VPN configuration in the router
• How to address 12000 series line card problems
• How to address ALIGN-3-CORRECT error messages
• How to address MGCP-3-INTERNAL ERROR messages while booting
• How to address hardware problems on the 12000 series
• How to allow IDS to SSH to a device
• How to apply LLQ across DSL on an 800 series router
• How to change the session timeout value in a Wireless LAN Controller in order to reauthenticate the Controller/LAP with a Radius server for any specified time period
• How to check if a port is set to ErrDisable with SNMP
• How to check if an IOS gateway router is compatible with Cisco CallManager in the MGCP mode
• How to check the realtime data of the power inline consumption of a Power over Ethernet (PoE) device connected to Catalyst 3750 Series Switches
• How to choose and install software for the 801, 802, 803, 804, 805, 806, 826, 827, 828, 831, 836, SOHO70, 1000, 1400, 1600, 1600-R, 1700, 2500, 2600, 3000, 3600, 3700, 4000, 4500, 4700, AS5100, AS5200, AS5300 and MC3810 products
• How to choose and install software for the RP and RSP7000, 7100, 7200, 7300, 7400, 7500, 7600, 10000 (ESR), 12000, uBR71XX, uBR72XX and uBR10000p
• How to compare QoS values for IP precedence, DSCP and MPLS EXP values along with standard values used in IOS Software for configuration
• How to configure 802.1X authentication based on the MAC address
• How to configure AAA rules on ASA to authenticate users
• How to configure ASA 5510 to check Microsoft Windows Active Directory attributes
• How to configure ATM IMA on 2600, 3600 and 3700 routers using AIM-ATM and VWIC modules