Troubleshooting Flowchart; Solution - H3C S5150-EI Series Troubleshooting Manual

Troubleshooting flowchart

Figure 9 Troubleshooting protocol flapping

Solution

To resolve the problem:
1. Verify that Layer 2 is operating correctly, as described in
2. Verify that Layer 3 is operating correctly, as described in
3. Execute the debug rxtx softcar show 1 command in probe view to check for software-related
packet loss.
[Sysname-probe] debug rxtx softcar slot 1
ID Type
0 ROOT
1 ISIS
2 ESIS
3 CLNP
4 VRRP
5 UNKNOWN_IPV4MC
6 UNKNOWN_IPV6MC
7 IPV4_MC_RIP
8 IPV4_BC_RIP
9 MCAST_NTP
10 BCAST_NTP
4. If the problem persists, contact H3C Support.
When you contact H3C Support, provide diagnostic information if software-related packet loss
occurred.
RcvPps Rcv_All DisPkt_All Pps
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
30
"Layer 2 forwarding failure."
"Layer 3 forwarding failure."
Dyn Swi Hash ACLmax
300 S On SMAC 0
200 D On SMAC 8
100 S On SMAC 8
100 S On SMAC 8
1024 S On SMAC 8
100 S On SMAC 8
100 S On SMAC 8
150 D On SMAC 8
150 D On SMAC 8
100 S On SMAC 8
100 S On SMAC 8