We have two Catalyst 2960 switches showing high buffer loss. The site is under heavy utilization, so we want to eliminate all possible issue.
Here is the switch status:
System image file is "flash:c2960-lanbase-mz.122-25.SEE3
The below buffer status is just after a reboot:
Public buffer pools:
Small buffers, 104 bytes (total 61, permanent 25, peak 175 @ 00:14:39):
60 in free list (20 min, 60 max allowed)
5219 hits, 50 misses, 114 trims, 150 created
0 failures (0 no memory)
Middle buffers, 600 bytes (total 30, permanent 15, peak 91 @ 00:14:34):
29 in free list (10 min, 30 max allowed)
1902 hits, 37 misses, 96 trims, 111 created
0 failures (0 no memory)
Big buffers, 1536 bytes (total 56, permanent 50, peak 56 @ 00:14:36):
56 in free list (5 min, 150 max allowed)
5017 hits, 2 misses, 0 trims, 6 created
0 failures (0 no memory)
VeryBig buffers, 4520 bytes (total 10, permanent 0, peak 10 @ 00:14:39):
0 in free list (0 min, 10 max allowed)
51 hits, 5 misses, 0 trims, 10 created
0 failures (0 no memory)
Large buffers, 5024 bytes (total 0, permanent 0):
0 in free list (0 min, 5 max allowed)
0 hits, 0 misses, 0 trims, 0 created
0 failures (0 no memory)
Huge buffers, 18024 bytes (total 0, permanent 0):
0 in free list (0 min, 2 max allowed)
0 hits, 0 misses, 0 trims, 0 created
0 failures (0 no memory)
Interface buffer pools:
RxQFB buffers, 2040 bytes (total 150, permanent 150):
145 in free list (0 min, 150 max allowed)
136 hits, 0 misses
RxQ1 buffers, 2040 bytes (total 128, permanent 128):
2 in free list (0 min, 128 max allowed)
1007 hits, 12 fallbacks
RxQ3 buffers, 2040 bytes (total 16, permanent 16):
1 in free list (0 min, 16 max allowed)
1276 hits, 93 fallbacks
RxQ4 buffers, 2040 bytes (total 64, permanent 64):
1 in free list (0 min, 64 max allowed)
148 hits, 2 fallbacks
RxQ6 buffers, 2040 bytes (total 64, permanent 64):
0 in free list (0 min, 64 max allowed)
64 hits, 0 misses
RxQ7 buffers, 2040 bytes (total 96, permanent 96):
31 in free list (0 min, 96 max allowed)
1550 hits, 0 misses
RxQ8 buffers, 2040 bytes (total 32, permanent 32):
0 in free list (0 min, 32 max allowed)
1352 hits, 1324 misses
RxQ10 buffers, 2040 bytes (total 16, permanent 16):
1 in free list (0 min, 16 max allowed)
164 hits, 29 fallbacks
RxQ12 buffers, 2040 bytes (total 16, permanent 16):
0 in free list (0 min, 16 max allowed)
16 hits, 0 misses
RxQ15 buffers, 2040 bytes (total 4, permanent 4):
0 in free list (0 min, 4 max allowed)
17643 hits, 17639 misses
RxQ11 buffers, 2040 bytes (total 4, permanent 4):
0 in free list (0 min, 4 max allowed)
4 hits, 0 misses
