I have a ASA5505 with mostly factory default configuration. Its license allows only two vlan interfaces (vlan 1 and vlan 2). The default config has interface vlan 1 as inside (security level 100), and interface vlan 2 as outside (security level 0 and using DHCP).
I only changed interface vlan 1 to IP 10.10.10.1/24. After I plugged in a few hosts to vlan 1 ports and connect port Ethernet0/0 (default in vlan 2) to a live network, here are a couple of issues I found:
a) One host I plugged in is a PC, and another host is a WAAS WAE device. Both are in vlan 1 ports. I hard coded their IP to 10.10.10.250 and 10.10.10.101, /24 subnet mask, and gateway of 10.10.10.1. I can ping from the PC to WAE but not from WAE to the PC, although the WAE has 10.10.10.250 in its ARP table. They are in the same vlan and same subnet, how could it be? Here are the ping and WAE ARP table.
PING 10.10.10.250 (10.10.10.250) from 10.10.10.101 : 56(84) bytes of data.
--- 10.10.10.250 ping statistics ---
5 packets transmitted, 0 packets received, 100% packet loss
Protocol Address Flags Hardware Addr Type Interface
Internet 10.10.10.250 Adj 00:1E:37:84:C9:CE ARPA GigabitEthernet1/0
Internet 10.10.10.10 Adj 00:14:5E:85:50:01 ARPA GigabitEthernet1/0
Internet 10.10.10.1 Adj 00:1E:F7:7F:6E:7E ARPA GigabitEthernet1/0
b) None of the hosts in vlan 1 in 10.10.10.0/24 can ping interface vlan 2 (address in 172.26.18.0/24 obtained via DHCP). But on ASA routing table, it has both 10.10.10.0/24 and 172.26.18.0/24, and also a default route learned via DHCP. Is ASA able to route between vlan 1 and vlan 2? (inside and outside). Any changes I can try?
Here are ASA routing table and config of vlan 1 and vlan 2 (mostly its default).
ASA# sh route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is 172.26.18.1 to network 0.0.0.0
C 172.26.18.0 255.255.255.0 is directly connected, outside
C 127.1.0.0 255.255.0.0 is directly connected, _internal_loopback
C 10.10.10.0 255.255.255.0 is directly connected, inside
d* 0.0.0.0 0.0.0.0 [1/0] via 172.26.18.1, outside
ip address 10.10.10.1 255.255.255.0
ip address dhcp setroute
switchport access vlan 2
All other ports are in vlan 1 by default.