06-05-2024 12:00 AM
I have Cisco C9300 direct connect with Cisco 3850
Cisco C9300
interface Vlan100
ip address 10.0.100.1 255.255.255.192
interface Gi1/0/10
switchport mode trunk
channel-group 1 mode on
interface Port-channel1
switchport mode trunk
Cisco 3850
interface Vlan100
ip address 10.0.100.2 255.255.255.192
interface Te1/1/2
speed 1000
switchport mode trunk
channel-group 3 mode on
interface Port-channel3
switchport mode trunk
on 2 switches, int vlan & int po up, So I cant ping between 2 switches by subnet 10.0.100.0/192
06-05-2024 12:05 AM
share
show ip int brief
show vlan brief
show ip interface status
show spanning tree interface port-channel <>
MHM
06-05-2024 12:11 AM
infra of customer, I cant logon any time.
So all int vlan, int po, int gi1/0/10 direct connect int te1/1/2 up
disabled spaning-tree vlan 100
tested: ping 10.0.100.2 source 10.0.100.1
06-05-2024 12:18 AM
ping 10.0.100.2 source vlan 100 <<- use interface
if ping not work
I need to see output of show
MHM
06-05-2024 12:41 AM
sw-wlc01#ping 10.0.100.2 source vlan 100
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.100.2, timeout is 2 seconds:
Packet sent with a source address of 10.0.100.1
.....
Success rate is 0 percent (0/5)
06-05-2024 12:45 AM
(3850)sw-access-01#traceroute 10.0.100.1
Type escape sequence to abort.
Tracing the route to 10.0.100.1
VRF info: (vrf in name/id, vrf out name/id)
1 10.0.100.1 3 msec * 2 msec
(c9300)sw-wlc-01#traceroute 10.0.100.2
Type escape sequence to abort.
Tracing the route to 10.0.100.2
VRF info: (vrf in name/id, vrf out name/id)
1 * * *
2 * * *
3 * * *
06-05-2024 12:06 AM
also on more thing
did you try
ping <VLAN 100> source <VLAN 100>
MHM
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