The two switches are connected with a Cat 5 cable. I don't think the load on the link is close to capacity.
This is the interface in the 4507 that is connected to the 2960:
GigabitEthernet2/4 is up, line protocol is up (connected)
Hardware is Gigabit Ethernet Port, address is 188b.9d7c.f573 (bia 188b.9d7c.f573)
Description: Link to IDF RM124 Switch
MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 5/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 1000Mb/s, link type is auto, media type is 10/100/1000-TX
input flow-control is off, output flow-control is off
Auto-MDIX on (operational: on)
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:00, output never, output hang never
Last clearing of "show interface" counters 1d05h
Input queue: 0/2000/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 22209000 bits/sec, 3882 packets/sec
5 minute output rate 3295000 bits/sec, 1264 packets/sec
365959793 packets input, 253917723302 bytes, 0 no buffer
Received 24819753 broadcasts (960360 multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 input packets with dribble condition detected
127899036 packets output, 44005896196 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 unknown protocol drops
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out
This is the interface in the 2960 that is connected to the 4507:
GigabitEthernet1/0/1 is up, line protocol is up (connected)
Hardware is Gigabit Ethernet, address is 2c73.a0d4.4301 (bia 2c73.a0d4.4301)
Description: Link to West Admin Core Switch
MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,
reliability 255/255, txload 5/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 1000Mb/s, media type is 10/100/1000BaseTX
input flow-control is off, output flow-control is unsupported
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:00, output 00:00:00, output hang never
Last clearing of "show interface" counters 1d05h
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 4004
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 3056000 bits/sec, 1215 packets/sec
5 minute output rate 21202000 bits/sec, 3742 packets/sec
127963812 packets input, 43929819123 bytes, 0 no buffer
Received 5038399 broadcasts (2747701 multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 2747701 multicast, 0 pause input
0 input packets with dribble condition detected
366714022 packets output, 254475446489 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 unknown protocol drops
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier, 0 pause output
0 output buffer failures, 0 output buffers swapped out
This is the output of a ping between the two switches. The results show a lot of variability in reply times.
SUSIAHEAD001124#p i
Target IP address: 192.168.20.2
Repeat count [5]: 100
Datagram size [100]:
Timeout in seconds [2]:
Extended commands [n]: y
Source address or interface: 192.168.20.36
Type of service [0]:
Set DF bit in IP header? [no]:
Validate reply data? [no]:
Data pattern [0xABCD]:
Loose, Strict, Record, Timestamp, Verbose[none]:
Sweep range of sizes [n]:
Type escape sequence to abort.
Sending 100, 100-byte ICMP Echos to 192.168.20.2, timeout is 2 seconds:
Packet sent with a source address of 192.168.20.36
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Success rate is 100 percent (100/100), round-trip min/avg/max = 1/29/577 ms
