Netgear GSM7228PS User Manual Page 281
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Routing Commands
281
ProSafe Managed Switch
Helper IP Address.............................. 1.2.3.4
............................................... 1.2.3.5
show ip helper statistics
Use this command to display the number of DHCP and other UDP packets processed and
relayed by the UDP relay agent.
Format show ip helper statistics
Mode
Privileged EXEC
Term Definition
DHCP client
messages received
The number of valid messages received from a DHCP client. The count is
incremented only if IP helper is enabled globally, the ingress routing interface is up,
and the packet passes a number of validity checks, such as having a TTL>1 and
having valid source and destination IP addresses.
DHCP client
messages relayed
The number of DHCP client messages relayed to a server. If a message is relayed
to multiple servers, the count is incremented once for each server.
DHCP server
messages received
The number of DHCP responses received from the DHCP server. This count
includes only messages that the DHCP server unicasts to the relay agent for relay
to the client.
DHCP server
messages relayed
The number of DHCP server messages relayed to a client.
UDP clients
messages received
The number of valid UDP packets received. This count includes DHCP messages
and all other protocols relayed. Conditions are similar to those for the first statistic in
this table.
UDP clients
messages relayed
The number of UDP packets relayed. This count includes DHCP messages relayed
as well as all other protocols. The count is incremented for each server to which a
packet is sent.
DHCP message hop
count exceeded max
The number of DHCP client messages received whose hop count is larger than the
maximum allowed. The maximum hop count is a configurable value listed in show
bootpdhcprelay. A log message is written for each such failure. The DHCP relay
agent does not relay these packets.
DHCP message with
secs field below min
The number of DHCP client messages received whose secs field is less than the
minimum value. The minimum secs value is a configurable value and is displayed in
show bootpdhcprelay. A log message is written for each such failure. The DHCP
relay agent does not relay these packets.
DHCP message with
giaddr set to local
address
The number of DHCP client messages received whose gateway address, giaddr, is
already set to an IP address configured on one of the relay agent’s own IP
addresses. In this case, another device is attempting to spoof the relay agent’s
address. The relay agent does not relay such packets. A log message gives details
for each occurrence.
- ProSafe Managed Switch 1
- Technical Support 2
- Trademarks 2
- Statement of Conditions 2
- Revision History 2
- Contents 3
- Chapter 5 Routing Commands 4
- Chapter 13 Log Messages 6
- Chapter 15 Command List 7
- Licensing and Command Support 8
- Command Syntax 10
- Command Conventions 11
- Common Parameter Values 11
- Table 3. Type of Slots 12
- Using a Command’s “No” Form 13
- Managed Switch Modules 13
- Command Modes 14
- CLI Error Messages 18
- CLI Line-Editing Conventions 18
- Using CLI Help 19
- Accessing the CLI 20
- Stacking Commands 21
- For Each Interface: 30
- Non-Stop Forwarding Commands 31
- Port Configuration Commands 39
- Loopback Interface Commands 45
- VLAN Commands 64
- Double VLAN Commands 77
- Voice VLAN Commands 80
- Protected Ports Commands 82
- Private Group Commands 85
- Private VLAN 86
- GARP Commands 90
- GVRP Commands 92
- GMRP Commands 94
- Switching Commands 100
- ProSafe Managed Switch 101
- 802.1X Supplicant Commands 109
- Storm-Control Commands 112
- Flow Control Commands 122
- Port Mirroring 139
- Static MAC Filtering 141
- DHCP L2 Relay Agent Commands 145
- DHCP Client Commands 149
- MLD Snooping Commands 180
- vlanid 0-3600 184
- Port Security Commands 190
- LLDP (802.1AB) Commands 194
- LLDP-MED Commands 203
- Denial of Service Commands 212
- TCP Header Offset = 1 213
- MAC Database Commands 222
- ISDP Commands 224
- <unit/slot/port>] 231
- About MVR 232
- MVR Commands 232
- Example: 237
- Routing Commands 240
- IP Routing Commands 246
- Virtual LAN Routing Commands 266
- Commands 267
- DHCP and BOOTP Relay Commands 276
- IP Helper Commands 278
- 1583compatibility 283
- Table 1. Trapflags Groups 304
- Dampening 327
- ICMP Throttling Commands 336
- IP Multicast Commands 339
- DVMRP Commands 344
- PIM Commands 349
- Example 1: 357
- Example 2: 357
- (RP) advertisement 358
- Example 3: 359
- Example 4: 359
- IGMP Proxy Commands 367
- IPv6 Commands 373
- IPv6 Routing Commands 375
- 3ffe:1::1234/64 377
- C - connected, S - static 389
- ::0) and unsupported 394
- OSPFv3 Commands 398
- DHCPv6 Commands 431
- <pool-name> 437
- [<ipv6-address>] 437
- IPv6 Multicast Commands 439
- IPv6 PIM Commands 442
- IPv6 MLD Commands 449
- IPv6 MLD-Proxy Commands 455
- [<unit/slot/port>] 466
- DiffServ Class Commands 470
- DiffServ Policy Commands 479
- DiffServ Service Commands 484
- DiffServ Show Commands 485
- [in 489
- {deny 492
- {deny 498
- {deny 503
- AutoVOIP 508
- About PoE 518
- PoE Commands 519
- PSE-capable ports 527
- Utility Commands 529
- Auto Install Commands 530
- Dual Image Commands 532
- Logging Commands 550
- For example: 577
- For each configured server: 578
- DHCP Server Commands 579
- Message Received: 590
- Message Sent: 590
- DNS Client Commands 591
- Packet Capture Commands 595
- Cable Test Command 617
- [<index>] 621
- Software License Commands 622
- IP Address Conflict Commands 623
- RFC 2819 626
- RFC 3273 626
- RFC 3434 626
- UDLD Commands 631
- Management Commands 635
- Network Interface Commands 638
- Console Port Access Commands 641
- Telnet Commands 643
- Secure Shell (SSH) Commands 648
- Management Security Commands 651
- Access Commands 659
- User Account Commands 659
- SNMP Commands 683
- RADIUS Commands 694
- TACACS+ Commands 706
- <ip-address 707
- <priority> 710
- IPv6 Management Commands 716
- Log Messages 721
- Table 3. BSP Log Messages 722
- Table 4. NIM Log Messages 722
- Utilities 724
- Management 726
- Table 16. WEB Log Messages 728
- Table 18. SSHD Log Messages 728
- Table 19. SSLT Log Messages 729
- Switching 730
- Table 28. FDB Log Message 734
- Table 31. MFDB Log Message 734
- Table 36. ACL Log Messages 736
- Table 37. CoS Log Message 736
- Routing/IPv6 Routing 737
- Table 43. VRRP Log Messages 739
- Table 44. ARP Log Message 739
- Multicast 740
- Stacking 742
- Technologies 743
- O/S Support 745
- Captive Portal Commands 747
- Command List 773
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