From: Schulz, Dave (DSchulz@dpsciences.com)
Date: Sat Jul 22 2006 - 02:32:12 ART
Group -
I have been running some of the ppp commands with the peer default
command. I set up the following scenario (which appears to be
performing as it should). However, the outcome has some strange issue.
This is not a published lab, just some different scenarios that I set up
....
R2 is connected to R5 over a serial link running ppp. R5 is using a
local pool to supply addressing to R2, while R2 is using a local dhcp
server to supply addressing to R5. The configuration is as follows:
R2.....
!
hostname R2
!
no ip dhcp use vrf connected
ip dhcp excluded-address 27.2.2.2
!
ip dhcp pool pool2
network 27.2.2.0 255.255.255.0
!
interface Serial0/1
ip address negotiated
encapsulation ppp
no peer neighbor-route
peer default ip address dhcp-pool pool2
R5........
!
hostname R5
!
!
interface Serial0/0
ip address negotiated
encapsulation ppp
no peer neighbor-route
peer default ip address pool pool1
no fair-queue
!
ip local pool pool1 27.2.2.2
Now, note the following on R5 ......I am trying to understand why the
show ip route indicates as it does. Thoughts?
R5#sh ip rou
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS
level-2
ia - IS-IS inter area, * - candidate default, U - per-user static
route
o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
27.0.0.0/32 is subnetted, 2 subnets
C 27.2.2.2 is directly connected, Serial0/0
C 27.2.2.1 is directly connected, Serial0/0
30.0.0.0/24 is subnetted, 1 subnets
C 30.3.3.0 is directly connected, Serial0/1
R5#sh ip int brie
Interface IP-Address OK? Method Status
Protocol
FastEthernet0/0 unassigned YES NVRAM administratively
down down
Serial0/0 27.2.2.1 YES IPCP up
up
Serial0/1 30.3.3.5 YES manual up
up
R5#
Here is the same output on R2
R2#sh ip rou
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS
level-2
ia - IS-IS inter area, * - candidate default, U - per-user static
route
o - ODR, P - periodic downloaded static route
Gateway of last resort is 10.1.1.1 to network 0.0.0.0
1.0.0.0/32 is subnetted, 4 subnets
O IA 1.1.1.1 [110/2] via 10.1.1.1, 02:54:41, FastEthernet0/0
O IA 1.3.3.3 [110/2] via 10.1.1.1, 02:54:41, FastEthernet0/0
O IA 1.5.5.5 [110/2] via 10.1.1.1, 02:54:41, FastEthernet0/0
O IA 1.4.4.4 [110/2] via 10.1.1.1, 02:54:41, FastEthernet0/0
2.0.0.0/24 is subnetted, 1 subnets
C 2.2.2.0 is directly connected, Loopback0
3.0.0.0/32 is subnetted, 1 subnets
O IA 3.3.3.3 [110/2] via 10.1.1.3, 02:54:41, FastEthernet0/0
20.0.0.0/24 is subnetted, 1 subnets
C 20.2.2.0 is directly connected, Loopback2
10.0.0.0/24 is subnetted, 1 subnets
C 10.1.1.0 is directly connected, FastEthernet0/0
27.0.0.0/32 is subnetted, 1 subnets
C 27.2.2.2 is directly connected, Serial0/1
C 27.2.2.1 is directly connected, Serial0/1
O*E2 0.0.0.0/0 [110/1] via 10.1.1.1, 02:54:44, FastEthernet0/0
R2#sh ip int brie
Interface IP-Address OK? Method Status
Protocol
FastEthernet0/0 10.1.1.2 YES manual up
up
Serial0/0 unassigned YES NVRAM administratively
down down
Serial0/1 27.2.2.2 YES IPCP up
up
Dave Schulz,
Email: dschulz@dpsciences.com <mailto:dschulz@dpsciences.com >
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