First Question answer:
c3640A(config)#ip forward-protocol udp ?
Port number
biff Biff (mail notification, comsat, 512)
bootpc Bootstrap Protocol (BOOTP) client (68)
bootps Bootstrap Protocol (BOOTP) server (67)
discard Discard (9)
dnsix DNSIX security protocol auditing (195)
domain Domain Name Service (DNS, 53)
echo Echo (7)
isakmp Internet Security Association and Key Management Protocol
(500)
mobile-ip Mobile IP registration (434)
nameserver IEN116 name service (obsolete, 42)
netbios-dgm NetBios datagram service (138)
netbios-ns NetBios name service (137)
netbios-ss NetBios session service (139)
ntp Network Time Protocol (123)
pim-auto-rp PIM Auto-RP (496)
rip Routing Information Protocol (router, in.routed, 520)
snmp Simple Network Management Protocol (161)
snmptrap SNMP Traps (162)
sunrpc Sun Remote Procedure Call (111)
syslog System Logger (514)
tacacs TAC Access Control System (49)
talk Talk (517)
tftp Trivial File Transfer Protocol (69)
time Time (37)
who Who service (rwho, 513)
xdmcp X Display Manager Control Protocol (177)
Second answer:
The way I understand the command, and please correct me if I am wrong, is as
follows.
It forwards subnet broadcasts to a destination network in a unicast format
and once the unicast packet is received on the destination network it is
then sent out as a broadcast. I think that is what it does.
Thanks,
Eric
-----Original Message-----
From: khramov [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, September 25, 2001 2:58 PM
To: [EMAIL PROTECTED]
Subject: DHCP [7:21051]
Hello
How do I enable broadcast for DHCP server? I know that ip
helper enables UDP broadcast, but broadcast of netbios
services causes some problems for win nt server. So I guess
to be more specific what can I do to forward udp broadcast on
ports 67 and 68 only?
And another question that I have what exactly ip
directed-broadcast command does? I've searched Cisco's web
site but I never came across a clear defenition?
Thanks,
Alex
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