Hi, Today we had duplicate ip issues between two SVIs with the same ip address ; one SVI was admin down...? We saw some traffic on the down/down SVI : #sh int vlan402 Vlan402 is administratively down, line protocol is down , Autostate Enabled Hardware is Ethernet SVI, address is 4cbc.48a5.827b (bia 4cbc.48a5.827b) Description: Vlan Mgmt Internet address is 10.10.10.1/24 MTU 1500 bytes, BW 1000000 Kbit/sec, 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 1d10h, output 2d04h, output hang never Last clearing of "show interface" counters never Input queue: 0/375/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: fifo Output queue: 0/40 (size/max) 5 minute input rate 9000 bits/sec, 13 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 146435 packets input, 10955861 bytes, 0 no buffer Received 0 broadcasts (0 IP multicasts) 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored 555 packets output, 33300 bytes, 0 underruns 0 output errors, 2 interface resets 0 unknown protocol drops 0 output buffer failures, 0 output buffers swapped out How is that possible ? thanks in advance. Regards. S.
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Hi, We have c9300 as access switches, with several vlans and a vlan interface for management. We use 16.6.5. Routing is made on l3 backbone switch. I use "ip default-gateway" command To set the management vlan's gw. It works. Some collegues think that we need to enable ip routing just for management and tacacs on vty ; is it necessary or usefull somehow ? Thanks YVI.
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