I've enabled IP routing, ip cef is on by default, also enabled ip multicast routing. With both machines HOST A connected on VLAN 5 and HOST B pointing to the relevent gateway (switches VLAN interface IP)... I have perfect connectivity.
However, when using iperf, if I connect both hosts to the same VLAN I get:
987 MBytes 857 Mbits/sec
However, if they are on seperate VLANs I get the following:
118 MBytes 98.9 Mbits/sec
I also have a 3560X and this performs fine, so there is something wrong with the 4948E... can anyone advise if they have seen this before and what I should do?
Here are some interface diags:
Vlan5 is up, line protocol is up
Hardware is Ethernet SVI, address is
Description: VLAN FIVE
Internet address is 192.168.5.1/24
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive not supported
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:00, output never, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
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