From: michael liu (michaelql@hotmail.com)
Date: Mon Nov 04 2002 - 03:16:28 GMT-3
check the dhcp pool on server, and make sure it has default gw for vlan 5
is correct.
~ml
>From: "Todd Veillette" >Reply-To: "Todd Veillette" >To: >Subject: Re:
DHCP error >Date: Sun, 3 Nov 2002 18:15:35 -0500 > >Jeff, >Just to add to
Chuck's reply, I noticed the gateway of the >failed forwarded dhcp's are
via 25.252, which must be >a loopback on the Router; but I don't believe
you would >see these if HSRP was set up correctly for vlan 5 as the >.254
would route via the helper. > >-TV > >----- Original Message ----- >From:
"Chuck Church" >To: >Sent: Sunday, November 03, 2002 9:56 AM >Subject:
Re: DHCP error > > > > Jeff, > > You've got HSRP configured with what
looks like alternating > > priorities. Do you have ip helper on the other
routing device? > > Technically, it should work on just one, and with
both you'll get 2 > > forwarded bootp requests, but you'd need that if
you lost the primary MSFC > > with the helper statements. That's the only
difference I see between VLAN >4 > > and 5. > > > > Chuck Church > > CCIE
#8776, MCNE, MCSE > > Sr. Network Engineer > > Magnacom Technologies > >
140 N. Rt. 303 > > Valley Cottage, NY 10989 > > 845-267-4000 > > > > > >
HI Jeff, > > > > I've just scanned down the post and the debug messages
do seem strange, > > > > Can you confirm that: > > 1. the Winnt server
has a scope defined corectly for vlan 5 > > 2. that the switch has "ip
classless" and "ip subnet-zero" switched on > > 3. If that still does not
work try setting the helper address on vlan 5 to > > the broadcast
address on vlan 2, ie 10.2.2.255 > > > > good luck > > > > Adam > > > >
-----Original Message----- > > From: nobody@groupstudy.com > >
[mailto:nobody@groupstudy.com]On Behalf Of > > jeff szeto > > Sent: 03
November 2002 13:39 > > To: ccielab@groupstudy.com > > Cc: Prashanth;
Larry Letterman; michael liu; Phil Virnoche > > Subject: Re: dhcp error >
> > > > > Hi Group, > > > > The following is the related config. The dhcp
server is a WinNT, located >in > > Vlan 2 > > Vlan 4 dhcp clients can get
ip while vlan 5 clients can't. They use the >same > > dhcp server. > >
The switch can ping the dhcp server. Also, if I assign an address
manually > > to > > a host in vlan 5, the connection is ok. > > > > > >
interface Vlan2 > > ip address 10.2.2.252 255.255.255.0 > > no ip
redirects > > no ip mroute-cache > > standby 2 preempt > > standby 2 ip
10.2.2.254 > > > > > > interface Vlan4 > > ip address 10.2.4.252
255.255.255.0 > > ip helper-address 10.2.2.3 > > ip helper-address
10.2.2.170 > > no ip redirects > > no ip mroute-cache > > standby 4
preempt > > standby 4 ip 10.2.4.254 > > > > > > interface Vlan5 > > ip
address 10.2.5.252 255.255.255.0 > > ip helper-address 10.2.2.3 > > ip
helper-address 10.2.2.170 > > no ip redirects > > no ip mroute-cache > >
standby 5 priority 150 preempt > > standby 5 ip 10.2.5.254 > > > > Thanks
for your help! > > > > Jeff > > > > ----- Original Message ----- > >
From: michael liu > > To: prashanthcm@yahoo.com ; > >
jytszeto@hotmail.com ; >ccielab@groupstudy.com > > > > Sent: Sunday,
November 03, 2002 5:58 PM > > Subject: Re: dhcp error > > > > > > Jan 1
08:57:27.463 HKG: DHCPD: BOOTREQUEST not > > > forwarded. No route to
helper > > can you ping from the router? > > > > > > > > >From: Prashanth
> > >Reply-To: Prashanth > > >To: jeff szeto , ccielab@groupstudy.com > >
>Subject: Re: dhcp error > > >Date: Sat, 2 Nov 2002 17:13:26 -0800 (PST)
> > > > > >Jeff, > > > > > > > *Jan 1 08:57:27.463 HKG: DHCPD: setting
giaddr to > > >10.2.25.252. > > > > > >this is how the network is
identified by the DHCP > > >server and I am assuming you have pools
defined for > > >every VLAN. Every pool again should have the default > >
>router/gateway as the VLAN interface address. > > >all VLAN interfaces
will have helper addresses > > >configured to point to the DHCP server. >
> > > > >I have tried this test with a W2K server on VLAN 1 > > >with PCs
on other VLANS with a NM-ESW-16 (etherswitch > > >module) which has the
Catalyst IOS code on the Router > > >IOS...and it works! > > > > >
>probably a #sh run would help and also what is ur DHCP > > >server? > >
> > > >thanks > > >prashanth > > > > > > > > > > > >--- jeff szeto wrote:
> > > > Hi Group, > > > > > > > > I have a 6500 with different vlans. The
dhcp client > > > > can't get ip address. When > > > > I do a debug in
the switch, I see a error showing no > > > > route to the dhcp server. >
> > > But this server is connected to the switch and I can > > > > ping
it from the switch. > > > > The following is the log and the route table.
> > > > Could you help to resolve this problem? > > > > > > > > Thank
you. > > > > > > > > Jeff > > > > > > > > Router#debug ip dhcp server
packet > > > > > > > > *Jan 1 08:57:27.463 HKG: DHCPD: setting giaddr to
> > > > 10.2.25.252. > > > > *Jan 1 08:57:27.463 HKG: DHCPD: BOOTREQUEST
from > > > > 0100.065b.37ae.b4 forwarded > > > > to > > > > 10.2.20.170.
> > > > *Jan 1 08:57:27.463 HKG: DHCPD: BOOTREQUEST not > > > >
forwarded. No route to helper > > > > a > > > > ddr 10.2.20.170 > > > >
*Jan 1 08:57:27.463 HKG: DHCPD: BOOTREQUEST from > > > >
0100.065b.37ae.b4 forwarded > > > > to > > > > 10.2.20.3. > > > > *Jan 1
08:57:27.463 HKG: DHCPD: BOOTREQUEST not > > > > forwarded. No route to
helper > > > > a > > > > ddr 10.2.20.3 > > > > *Jan 1 08:57:27.567 HKG:
DHCPD: forwarding > > > > BOOTREPLY to client > > > > 0006.5b37.aeb4. > >
> > *Jan 1 08:57:27.567 HKG: DHCPD: creating ARP entry > > > >
(10.2.25.15, > > > > 0006.5b37.aeb4) > > > > . > > > > *Jan 1
08:57:27.567 HKG: DHCPD: unicasting > > > > BOOTREPLY to client
0006.5b37.aeb4 > > > > ( > > > > 10.2.25.15). > > > > *Jan 1 08:57:27.567
HKG: DHCPD: setting giaddr to > > > > 10.2.25.252. > > > > *Jan 1
08:57:27.567 HKG: DHCPD: BOOTREQUEST from > > > > 0100.065b.37ae.b4
forwarded > > > > to > > > > 10.2.20.170. > > > > *Jan 1 08:57:27.567
HKG: DHCPD: BOOTREQUEST not > > > > forwarded. No route to helper > > > >
a > > > > ddr 10.2.20.170 > > > > *Jan 1 08:57:27.571 HKG: DHCPD:
BOOTREQUEST from > > > > 0100.065b.37ae.b4 forwarded > > > > to > > > >
10.2.20.3. > > > > *Jan 1 08:57:27.571 HKG: DHCPD: BOOTREQUEST not > > >
> forwarded. No route to helper > > > > a > > > > ddr 10.2.20.3 > > > >
*Jan 1 08:57:27.675 HKG: DHCPD: forwarding > > > > BOOTREPLY to client >
> > > 0006.5b37.aeb4. > > > > *Jan 1 08:57:27.679 HKG: DHCPD: creating
ARP entry > > > > (10.2.25.15, > > > > 0006.5b37.aeb4) > > > > . > > > >
*Jan 1 08:57:27.679 HKG: DHCPD: unicasting > > > > BOOTREPLY to client
0006.5b37.aeb4 > > > > ( > > > > 10.2.25.15). > > > > > > > > Router#sh
ip ro > > > > C 10.2.19.0/24 is directly connected, Vlan19 > > > > C
10.2.20.0/24 is directly connected, Vlan20 > > > > C 10.2.21.0/24 is
directly connected, Vlan21 > > > > C 10.2.22.0/24 is directly connected,
Vlan22 > > > > C 10.2.23.0/24 is directly connected, Vlan23 > > > > C
10.2.24.0/24 is directly connected, Vlan24 > > > > C 10.2.25.0/24 is
directly connected, Vlan25 > > > > C 10.2.26.0/24 is directly connected,
Vlan26 > > > > C 10.2.27.0/24 is directly connected, Vlan27 > > > > > > >
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This archive was generated by hypermail 2.1.4 : Tue Dec 03 2002 - 07:22:52 GMT-3