Forum Discussion

nineheadbird_67's avatar
nineheadbird_67
Icon for Nimbostratus rankNimbostratus
Nov 11, 2009

multiple subnets within a vlan not allowed?

We have 6900 LTM connected to Cisco router, on cisco end, there are four subnets on interface vlan 299(see below). Tagged interface 299 from cisco to F5 configured as vlan external on F5, and there ar...
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JRahm's avatar
JRahm
Icon for Admin rankAdmin
Aug 04, 2011
Just to confirm behavior, I have two self IPs on one vlan (config below): 


net self 10.79.1.1 {
    address 10.79.1.1/24
    vlan vlan_1
}
net self 10.79.2.1 {
    address 10.79.2.1/24
    vlan vlan_1
}

Results:

[root@golgotha:Active] backups ping 10.79.1.1

PING 10.79.1.1 (10.79.1.1) 56(84) bytes of data.

64 bytes from 10.79.1.1: icmp_seq=1 ttl=64 time=0.069 ms

64 bytes from 10.79.1.1: icmp_seq=2 ttl=64 time=0.038 ms

--- 10.79.1.1 ping statistics ---

2 packets transmitted, 2 received, 0% packet loss, time 1000ms

rtt min/avg/max/mdev = 0.038/0.053/0.069/0.017 ms

[root@golgotha:Active] backups ping 10.79.2.1

PING 10.79.2.1 (10.79.2.1) 56(84) bytes of data.

64 bytes from 10.79.2.1: icmp_seq=1 ttl=64 time=0.043 ms

64 bytes from 10.79.2.1: icmp_seq=2 ttl=64 time=0.028 ms

--- 10.79.2.1 ping statistics ---

2 packets transmitted, 2 received, 0% packet loss, time 1000ms

rtt min/avg/max/mdev = 0.028/0.035/0.043/0.009 ms