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General| Brand | Huawei |
|---|---|
| Model | V200R001C01 |
| Category | Network Router |
| Language | English |
Identifies the target audience for the document, including engineers.
Defines symbols used in the document for warnings and notes.
Details changes made in the initial commercial release.
Troubleshoot issues related to board registration failures.
Troubleshoot scenarios where a board fails to be registered.
Troubleshoot scenarios involving high CPU usage and its impact on services.
Troubleshoot user login failures through Telnet.
Troubleshoot user login failures through SSH.
Troubleshoot issues where monitoring devices do not receive mirrored packets.
Troubleshoot SNMP connection and trap reception failures.
Troubleshoot Network Quality Assessment (NQA) test failures.
Troubleshoot issues with Network Time Protocol (NTP) clock synchronization.
Troubleshoot issues with CWMP management of the AR2200-S.
Troubleshoot issues related to Eth-Trunk interface configuration and operation.
Troubleshoot scenarios where an Eth-Trunk interface fails to forward traffic.
Troubleshoot communication failures between users in a VLAN.
Troubleshoot issues with MAC address entries and learning.
Troubleshoot MSTP topology changes leading to service interruption.
Troubleshoot Layer 2 traffic forwarding failures in bridge groups.
Troubleshoot E1/T1 interfaces failing to send or receive data.
Troubleshoot Frame Relay (FR) interface ping failures when link status is Up.
Troubleshoot Multiframe Relay (MFR) interface ping failures when link status is Up.
Troubleshoot Dial Control Channel (DCC) call initiation failures.
Troubleshoot ISDN link establishment failures.
Troubleshoot PPPoE dialup failures.
Troubleshoot PPP interface protocol status being Down.
Troubleshoot common xDSL faults.
Troubleshoot 3G call failures after correct dialing parameters are set.
Troubleshoot voice service issues.
Troubleshoot lack of audio feed on a telephone.
Troubleshoot absence of dial tone after going offhook.
Troubleshoot issues causing poor call quality.
Troubleshoot busy tone issues after offhook.
Troubleshoot scenarios where a call fails to connect.
Troubleshoot issues with calling number display on the called party's phone.
Troubleshoot fax service failures.
Troubleshoot SIP Application Gateway (SIP AG) malfunctions.
Troubleshoot scenarios where ping operations fail.
Troubleshoot Dynamic Host Configuration Protocol (DHCP) faults.
Troubleshoot Routing Information Protocol (RIP) issues.
Troubleshoot Open Shortest Path First (OSPF) issues.
Troubleshoot Layer 3 multicast traffic interruptions.
Troubleshoot scenarios where multicast traffic is interrupted.
Troubleshoot Protocol Independent Multicast (PIM) neighbor relationship issues.
Troubleshoot Rendezvous Point Tree (RPT) forwarding failures in PIM-SM.
Troubleshoot Shared Tree (SPT) forwarding failures in PIM-SM.
Troubleshoot Multicast Source Discovery Protocol (MSDP) peer issues.
Troubleshoot IGMP/MLD entry generation failures on multicast devices.
Troubleshoot traffic policy faults.
Troubleshoot traffic policies that fail to take effect.
Troubleshoot priority mapping issues.
Troubleshoot scenarios where packets enter incorrect queues.
Troubleshoot incorrect priority mapping results.
Troubleshoot traffic policing faults.
Troubleshoot traffic policing based on classifiers failing to take effect.
Troubleshoot incorrect interface-based traffic policing results.
Troubleshoot traffic shaping faults.
Troubleshoot incorrect queue-based traffic shaping results.
Troubleshoot congestion avoidance faults.
Troubleshoot congestion avoidance failing to take effect.
Troubleshoot congestion management faults.
Troubleshoot congestion management failing to take effect.
Troubleshoot Authentication, Authorization, and Accounting (AAA) issues.
Troubleshoot RADIUS authentication failures.
Troubleshoot HWTACACS authentication failures.
Troubleshooting cases for AAA.
Troubleshoot ARP security issues.
Troubleshoot ARP entries being maliciously modified.
Troubleshoot gateway address spoofing.
Troubleshoot user traffic interruption due to bogus ARP packets.
Troubleshoot IP address scanning attacks causing high CPU usage.
Troubleshoot ARP learning failures.
Troubleshoot Network Access Control (NAC) issues.
Troubleshoot 802.1x authentication failures.
Troubleshoot MAC address authentication failures.
Troubleshoot MAC address bypass authentication failures.
Troubleshoot firewall issues.
Troubleshoot SYN flood attacks.
Troubleshoot Access Control List (ACL) issues.
Troubleshoot packet filtering firewall failures due to invalid ACL config.
Troubleshoot Network Address Translation (NAT) issues.
Troubleshoot internal users failing to access the public network.
Troubleshoot external hosts failing to access internal servers.
Troubleshoot internal hosts failing access due to conflicting IP addresses.
Troubleshoot interface backup mechanism failures.
Troubleshoot interface backup failing to activate.
Troubleshooting cases for interface backup scenarios.
Troubleshoot Bidirectional Forwarding Detection (BFD) session issues.
Troubleshoot BFD sessions failing to establish.
Troubleshoot interface forwarding interruption after BFD session failure.
Troubleshoot BFD session parameter changes not taking effect.
Troubleshoot dynamic BFD sessions failing to be created.
Troubleshoot Virtual Router Redundancy Protocol (VRRP) issues.
Troubleshooting cases for VRRP scenarios.
Troubleshoot common GRE tunnel faults.
Troubleshoot ping failures to remote tunnel interfaces.
Troubleshooting cases for GRE tunnels.
Troubleshoot IPSec tunnel issues.
Troubleshoot IPSec Security Associations (SAs) failing manual establishment.
Troubleshoot IPSec SAs failing IKE negotiation establishment.
Troubleshoot IPSec configuration failures using policy templates.
Troubleshoot NAT traversal failures in IPSec tunnels.
Troubleshoot GRE over IPSec failures.
Troubleshooting cases for IPSec issues.
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