ZyXEL Communications ZYWALL USG 20 Manual page 947

troubleshooting
729
types
89
interfaces
88, 107, 217
and DNS servers
287
and HTTP redirect
and layer-3 virtualization
and NAT
341
and physical ports
and policy routes
and static routes
309
and VPN gateways
and zones
88, 218
as DHCP relays
286
as DHCP servers
286, 630
backup, see trunks
bandwidth management
bridge, see also bridge interfaces.
cellular
218
configuration overview
default configuration
DHCP clients
285
Ethernet, see also Ethernet interfaces.
gateway
285
general characteristics
IP address
284
metric
285
MTU
286
overlapping IP address and subnet mask
port groups, see also port groups.
PPPoE/PPTP, see also PPPoE/PPTP interfaces.
prerequisites
96, 219
relationships between
static DHCP
287
subnet mask
284
trunks, see also trunks.
types
218
virtual, see also virtual interfaces.
VLAN, see also VLAN interfaces.
where used
96
WLAN
218
Internet access
troubleshooting
728, 734
Internet Control Message Protocol, see ICMP
Internet Explorer
43
Internet Message Access Protocol, see IMAP
Internet Protocol Security, see IPSec
IP alias, see virtual interfaces
IP decoy portscan
480
ZyWALL USG 20/20W User's Guide
350
218
88, 218
305
394
285, 295
96
90
218
285
219
IP distributed portscan
IP policy routing, see policy routes
IP pool
432
IP portscan
479
IP portsweep
480
IP protocols
561
and service objects
ICMP, see ICMP
TCP, see TCP
UDP, see UDP
IP static routes, see static routes
IP/MAC binding
359
exempt list
363
monitor
189
static DHCP
362
IPSec
391
active protocol
AH
399
and certificates
authentication
basic troubleshooting
certificates
410
connections
394
connectivity check
encapsulation
399
encryption
400
ESP
399
established in two phases
local network
391
local policy
399
manual key
399
NetBIOS
398
peer
391
Perfect Forward Secrecy
PFS
400
phase 2 settings
policy enforcement
remote access
remote IPSec router
remote network
remote policy
399
replay detection
SA life time
399
SA monitor
196
522
SA see also IPSec SA
see also VPN
site-to-site with dynamic peer
static site-to-site
480
562
399
394
400
732
400
392
400
399
399
398
391
391
398
421
398
398
Index
947