From: Ken.Farrington@barclayscapital.com
Date: Mon Nov 24 2003 - 18:26:58 GMT-3
Is there such a thing?
Say a config below without HSRP. Or even with HSRP, the state (active
router could change)
Both routers will receive a DHCP request (packet shows IP broadcast), which
DHCP offer will the client pick up from which router.
Boring subject this one :) This should be for the windows guys...........
you know, those people that click and drag ?????
Only joking :)
Capture summary on the end of e-mail
Router 1
!
ip dhcp pool E0
network 167.203.21.0 255.255.255.0
default-router 167.203.21.1
domain-name kenny
!
ip dhcp pool E1
network 167.203.22.0 255.255.255.0
default-router 167.203.22.1
domain-name kennyF
!
interface Ethernet0
description VLAN 1
ip address 167.203.21.1 255.255.255.0
!
interface Ethernet1
description VLAN 2
ip address 167.203.22.1 255.255.255.0
Router 2
!
ip dhcp pool E0
network 167.203.21.0 255.255.255.0
default-router 167.203.21.2
domain-name kenny
!
ip dhcp pool E1
network 167.203.22.0 255.255.255.0
default-router 167.203.22.2
domain-name kennyF
!
interface Ethernet0
description VLAN 1
ip address 167.203.21.2 255.255.255.0
!
interface Ethernet1
description VLAN 2
ip address 167.203.22.2 255.255.255.0
No. Time Source Destination Protocol
Info
3 2.003610 167.203.22.5 224.0.0.13 PIMv2
Hello
4 2.111123 167.203.22.6 224.0.0.10 EIGRP
Hello
6 4.206077 167.203.22.5 224.0.0.10 EIGRP
Hello
7 4.552545 Cisco_29:09:07 Cisco_29:09:07 LOOP
Loopback
9 6.394249 0.0.0.0 255.255.255.255 DHCP
DHCP Discover - Transaction ID 0xdb0fe00d
10 6.396530 167.203.22.6 167.203.22.2 ICMP
Echo (ping) request
11 6.397800 167.203.22.5 167.203.22.2 ICMP
Echo (ping) request
12 6.887026 167.203.22.6 224.0.0.10 EIGRP
Hello
13 7.894996 167.203.22.6 167.203.22.2 ICMP
Echo (ping) request
14 7.900174 167.203.22.5 167.203.22.2 ICMP
Echo (ping) request
16 8.396142 167.203.22.6 167.203.22.2 DHCP
DHCP Offer - Transaction ID 0xdb0fe00d
17 8.396487 0.0.0.0 255.255.255.255 DHCP
DHCP Request - Transaction ID 0xdb0fe00d
18 8.399563 167.203.22.6 167.203.22.2 DHCP
DHCP ACK - Transaction ID 0xdb0fe00d
19 8.401462 192.168.69.5 Broadcast ARP Who
has 167.203.22.2? Tell 167.203.22.2
20 8.403970 167.203.22.5 167.203.22.2 DHCP
DHCP Offer - Transaction ID 0xdb0fe00d
21 8.841820 167.203.22.5 224.0.0.10 EIGRP
Hello
22 9.294380 192.168.69.5 Broadcast ARP Who
has 167.203.22.2? Tell 167.203.22.2
24 10.295374 192.168.69.5 Broadcast ARP Who
has 167.203.22.2? Tell 167.203.22.2
25 11.798999 167.203.22.6 224.0.0.10 EIGRP
Hello
27 12.798965 167.203.22.2 40.25.1.87 NBNS
Multi-homed registration NB IBM-LAPTOP<00>
28 12.799779 167.203.22.6 167.203.22.2 ICMP
Destination unreachable
29 13.273276 167.203.22.5 224.0.0.10 EIGRP
Hello
31 14.301138 167.203.22.2 30.25.1.87 NBNS
Multi-homed registration NB IBM-LAPTOP<00>
32 14.301897 167.203.22.6 167.203.22.2 ICMP
Destination unreachable
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