On the 3750 it's GigabitEthernet1/0/15, on the nexus it's Ethernet1/3. I am under the impression that the Nexus supports 1/10/25.
NEXUS SHOW RUN
NEXUS-SW1# show run
!Command: show running-config
!Running configuration last done at: Tue Mar 2 14:59:29 2021
!Time: Tue Mar 2 15:01:38 2021
version 9.3(2) Bios:version 05.42
switchname BMC-NEXUS-SW1
vdc BMC-NEXUS-SW1 id 1
limit-resource vlan minimum 16 maximum 4094
limit-resource vrf minimum 2 maximum 4096
limit-resource port-channel minimum 0 maximum 511
limit-resource u4route-mem minimum 248 maximum 248
limit-resource u6route-mem minimum 96 maximum 96
limit-resource m4route-mem minimum 58 maximum 58
limit-resource m6route-mem minimum 8 maximum 8
feature telnet
ip domain-lookup
system default switchport
copp profile strict
snmp-server user admin
snmp-server user
rmon event 1 description FATAL(1) owner PMON@FATAL
rmon event 2 description CRITICAL(2) owner PMON@CRITICAL
rmon event 3 description ERROR(3) owner PMON@ERROR
rmon event 4 description WARNING(4) owner PMON@WARNING
rmon event 5 description INFORMATION(5) owner PMON@INFO
ntp server x.x.x.x use-vrf default
ip route 0.0.0.0/0 x.x.x.x
vlan 1,6,25,500,505
vlan 6
name vswitch-hx-vm-network
vlan 25
name vswitch-hx-inband-mgmt
vlan 500
name vswitch-hx-storage-data
vlan 505
name vswitch-hx-vmotion
vrf context management
ip route 0.0.0.0/0 x.x.x.x
interface Ethernet1/1
description HXAF-C220-A [LOM#0]
switchport mode trunk
mtu 9216
fec rs-fec
interface Ethernet1/2
description HXAF-C220-B [LOM#0]
switchport mode trunk
mtu 9216
fec rs-fec
interface Ethernet1/3
switchport mode trunk
speed 1000
interface Ethernet1/4 -1/54
interface mgmt0
vrf member management
ip address x.x.x.x/24
line console
line vty
boot nxos bootflash:/nxos.9.3.2.bin
no system default switchport shutdown
NEXUS SHOW INTERFACE
NEXUS-SW1# show interface ethernet1/3
Ethernet1/3 is up
admin state is up, Dedicated Interface
Hardware: 100/1000/10000/25000 Ethernet, address: b0c5.3c05.96ca (bia b0c5.3c0
5.96ca)
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, medium is broadcast
Port mode is trunk
full-duplex, 1000 Mb/s, media type is 1G
Beacon is turned off
Auto-Negotiation is turned on FEC mode is Auto
Input flow-control is off, output flow-control is off
Auto-mdix is turned off
Rate mode is dedicated
Switchport monitor is off
EtherType is 0x8100
EEE (efficient-ethernet) : n/a
admin fec state is auto, oper fec state is off
Last link flapped 00:08:43
Last clearing of "show interface" counters never
1 interface resets
Load-Interval #1: 30 seconds
30 seconds input rate 0 bits/sec, 0 packets/sec
30 seconds output rate 1672 bits/sec, 2 packets/sec
input rate 0 bps, 0 pps; output rate 1.67 Kbps, 2 pps
Load-Interval #2: 5 minute (300 seconds)
300 seconds input rate 0 bits/sec, 0 packets/sec
300 seconds output rate 1656 bits/sec, 2 packets/sec
input rate 0 bps, 0 pps; output rate 1.66 Kbps, 2 pps
RX
0 unicast packets 0 multicast packets 0 broadcast packets
0 input packets 0 bytes
0 jumbo packets 0 storm suppression bytes
0 runts 0 giants 0 CRC 0 no buffer
0 input error 0 short frame 0 overrun 0 underrun 0 ignored
0 watchdog 0 bad etype drop 0 bad proto drop 0 if down drop
0 input with dribble 0 input discard
0 Rx pause
TX
0 unicast packets 1583 multicast packets 0 broadcast packets
1583 output packets 112988 bytes
0 jumbo packets
0 output error 0 collision 0 deferred 0 late collision
0 lost carrier 0 no carrier 0 babble 0 output discard
0 Tx pause
3750 SHOW RUN
ab3750XA#show run
Building configuration...
Current configuration : 10020 bytes
!
! Last configuration change at 12:55:39 EST Tue Mar 2 2021
! NVRAM config last updated at 13:00:42 EST Tue Mar 2 2021
!
version 15.0
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
service sequence-numbers
!
hostname ab3750XA
!
boot-start-marker
boot-end-marker
!
enable secret 5 enable password secret
!
username
no aaa new-model
clock timezone EST -5 0
clock summer-time EDT recurring
switch 1 provision ws-c3750x-24s
switch 2 provision ws-c3750x-24p
system mtu routing 1500
ip routing
!
!
ip domain-name
ip name-server
vtp domain disable
vtp mode transparent
!
mls qos map cos-dscp 0 8 16 24 32 46 48 56
mls qos srr-queue input bandwidth 70 30
mls qos srr-queue input threshold 1 80 90
mls qos srr-queue input priority-queue 2 bandwidth 30
mls qos srr-queue input cos-map queue 1 threshold 2 3
mls qos srr-queue input cos-map queue 1 threshold 3 6 7
mls qos srr-queue input cos-map queue 2 threshold 1 4
mls qos srr-queue input dscp-map queue 1 threshold 2 24
mls qos srr-queue input dscp-map queue 1 threshold 3 48 49 50 51 52 53 54 55
mls qos srr-queue input dscp-map queue 1 threshold 3 56 57 58 59 60 61 62 63
mls qos srr-queue input dscp-map queue 2 threshold 3 32 33 40 41 42 43 44 45
mls qos srr-queue input dscp-map queue 2 threshold 3 46 47
mls qos srr-queue output cos-map queue 1 threshold 3 4 5
mls qos srr-queue output cos-map queue 2 threshold 1 2
mls qos srr-queue output cos-map queue 2 threshold 2 3
mls qos srr-queue output cos-map queue 2 threshold 3 6 7
mls qos srr-queue output cos-map queue 3 threshold 3 0
mls qos srr-queue output cos-map queue 4 threshold 3 1
mls qos srr-queue output dscp-map queue 1 threshold 3 32 33 40 41 42 43 44 45
mls qos srr-queue output dscp-map queue 1 threshold 3 46 47
mls qos srr-queue output dscp-map queue 2 threshold 1 16 17 18 19 20 21 22 23
mls qos srr-queue output dscp-map queue 2 threshold 1 26 27 28 29 30 31 34 35
mls qos srr-queue output dscp-map queue 2 threshold 1 36 37 38 39
mls qos srr-queue output dscp-map queue 2 threshold 2 24
mls qos srr-queue output dscp-map queue 2 threshold 3 48 49 50 51 52 53 54 55
mls qos srr-queue output dscp-map queue 2 threshold 3 56 57 58 59 60 61 62 63
mls qos srr-queue output dscp-map queue 3 threshold 3 0 1 2 3 4 5 6 7
mls qos srr-queue output dscp-map queue 4 threshold 1 8 9 11 13 15
mls qos srr-queue output dscp-map queue 4 threshold 2 10 12 14
mls qos queue-set output 1 threshold 1 100 100 50 200
mls qos queue-set output 1 threshold 2 125 125 100 400
mls qos queue-set output 1 threshold 3 100 100 100 400
mls qos queue-set output 1 threshold 4 60 150 50 200
mls qos queue-set output 1 buffers 15 25 40 20
mls qos
!
crypto pki trustpoint TP-self-signed-
enrollment selfsigned
subject-name cn=IOS-Self-Signed-Certificate
revocation-check none
rsakeypair TP-self-signed
!
!
crypto pki certificate chain TP-self-signed
quit
archive
path
write-memory
time-period 10080
!
!
!
spanning-tree mode pvst
spanning-tree extend system-id
!
!
vlan internal allocation policy ascending
!
vlan 5
name ITS
!
vlan 10
name Management
!
vlan 97
name Firewall_Segment
!
!
interface FastEthernet0
description Management Interface
no ip address
no ip route-cache
!
interface GigabitEthernet1/0/1-14
!
interface GigabitEthernet1/0/15
description Link to BMNTC-NEX-SW1-3
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 1
switchport mode trunk
!
interface GigabitEthernet1/0/16-24
!
interface GigabitEthernet1/1/1
!
interface TenGigabitEthernet2/1/1
!
interface TenGigabitEthernet2/1/2-14
!
interface Vlan1
description <>
ip address x.x.x.x 255.255.255.0 secondary
ip address x.x.x.x 255.255.255.0
ip helper-address x.x.x.x
!
interface Vlan5
description ITS
ip address x.x.x.x 255.255.255.0
!
interface Vlan10
description Management
ip address x.x.x.x 255.255.255.192
!
interface Vlan97
description Firewall Segment
ip address x.x.x.x.253 255.255.255.0
!
ip default-gateway x.x.x.x
ip http server
ip http authentication local
ip http secure-server
!
ip route 0.0.0.0 0.0.0.0 x.x.x.x
ip route 0.0.0.0 0.0.0.0 x.x.x.x
!
!
!
!
line con 0
line vty 0 4
password
login
line vty 5 15
password
login
!
ntp server 0.pool.ntp.org
end
3750 PORT1/15
ab3750XA#show interface GIgabitEthernet1/0/15
GigabitEthernet1/0/15 is down, line protocol is down (notconnect)
Hardware is Gigabit Ethernet, address is 881d.fcd8.2d8f (bia 881d.fcd8.2d8f)
Description: Link to BMNTC-NEX-SW1-3
MTU 1500 bytes, BW 10000 Kbit/sec, DLY 1000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive not set
Auto-duplex, Auto-speed, link type is auto, media type is 1000BaseSX SFP
input flow-control is off, output flow-control is unsupported
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
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts (0 multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 0 multicast, 0 pause input
0 input packets with dribble condition detected
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 4 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
