From: nhatphuc (nhatphuc@gmail.com)
Date: Fri Mar 02 2007 - 06:21:25 ART
Hi Group,
Please help me with this simple configuration.
I configure equal-cost load balancing using RIP. It doesn't work as I
thought.
I enable fast-switching but it still does process-switching. Is there any
feature that can affect router' switching path?
Thanks
Below is my configuration:
Router#sh run
Building configuration...
Current configuration : 1882 bytes
!
configuration mode exclusive manual
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
no service password-recovery
!
hostname Router
!
boot-start-marker
boot-end-marker
!
enable password 7 0822455D0A16
!
no aaa new-model
!
resource policy
!
!
!
no ip cef
!
!
!
ipv6 unicast-routing
ipv6 cef
!
voice-card 0
no dspfarm
!
password encryption aes
!
interface Loopback0
ip address 1.1.1.1 255.255.255.0
!
interface Loopback1
ip address 10.0.0.1 255.255.255.0
!
interface GigabitEthernet0/0
ip address 100.100.100.1 255.255.255.0
duplex auto
speed auto
ipv6 enable
ipv6 nat
!
interface GigabitEthernet0/1
ip address 200.200.200.1 255.255.255.0
duplex auto
speed auto
ipv6 address 2001:1:1::1/64
ipv6 enable
ipv6 nat
!
interface Serial0/2/0
no ip address
shutdown
no fair-queue
clock rate 2000000
!
interface Serial0/2/1
no ip address
shutdown
clock rate 2000000
!
router rip
passive-interface Loopback0
passive-interface Loopback1
network 10.0.0.0
network 100.0.0.0
network 200.200.200.0
!
!
!
ip http server
no ip http secure-server
!
ip access-list extended NORIP
deny udp any eq rip any
deny udp any any eq rip
permit ip any any
!
access-list 100 deny udp any eq rip any
access-list 100 deny udp any any eq rip
access-list 100 deny ip any host 255.255.255.255
access-list 100 permit ip any any
!
!
ipv6 nat v4v6 source 172.16.1.2 2001::20
ipv6 nat v6v4 source 2001:1:1::10 172.16.1.20
ipv6 nat prefix 2001::/96
!
control-plane
!
bridge 1 protocol ieee
!
!
!
!
!
!
!
!
!
line con 0
line aux 0
no exec
transport input telnet
line vty 0 4
login local
transport input all
!
scheduler allocate 20000 1000
!
webvpn context Default_context
ssl authenticate verify all
!
no inservice
!
!
end
Router#sh ip ro
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
C 200.200.200.0/24 is directly connected, GigabitEthernet0/1
1.0.0.0/24 is subnetted, 1 subnets
C 1.1.1.0 is directly connected, Loopback0
100.0.0.0/24 is subnetted, 1 subnets
C 100.100.100.0 is directly connected, GigabitEthernet0/0
R 20.0.0.0/8 [120/1] via 200.200.200.2, 00:00:26, GigabitEthernet0/1
[120/1] via 100.100.100.2, 00:00:06, GigabitEthernet0/0
10.0.0.0/24 is subnetted, 1 subnets
C 10.0.0.0 is directly connected, Loopback1
R 192.168.1.0/24 [120/1] via 200.200.200.2, 00:00:27, GigabitEthernet0/1
[120/1] via 100.100.100.2, 00:00:07, GigabitEthernet0/0
Router#sh ip cef
%CEF not running
Prefix Next Hop Interface
Router#sh ip int g0/0
GigabitEthernet0/0 is up, line protocol is up
Internet address is 100.100.100.1/24
Broadcast address is 255.255.255.255
Address determined by non-volatile memory
MTU is 1500 bytes
Helper address is not set
Directed broadcast forwarding is disabled
Multicast reserved groups joined: 224.0.0.9
Outgoing access list is not set
Inbound access list is not set
Proxy ARP is enabled
Local Proxy ARP is disabled
Security level is default
Split horizon is enabled
ICMP redirects are always sent
ICMP unreachables are always sent
ICMP mask replies are never sent
IP fast switching is enabled
IP fast switching on the same interface is disabled
IP Flow switching is disabled
IP CEF switching is disabled
IP Feature Fast switching turbo vector
IP multicast fast switching is enabled
IP multicast distributed fast switching is disabled
IP route-cache flags are Fast
Router Discovery is disabled
IP output packet accounting is disabled
IP access violation accounting is disabled
TCP/IP header compression is disabled
RTP/IP header compression is disabled
Policy routing is disabled
Network address translation is disabled
BGP Policy Mapping is disabled
WCCP Redirect outbound is disabled
WCCP Redirect inbound is disabled
WCCP Redirect exclude is disabled
Router#sh ip int g0/1
GigabitEthernet0/1 is up, line protocol is up
Internet address is 200.200.200.1/24
Broadcast address is 255.255.255.255
Address determined by non-volatile memory
MTU is 1500 bytes
Helper address is not set
Directed broadcast forwarding is disabled
Multicast reserved groups joined: 224.0.0.9
Outgoing access list is not set
Inbound access list is not set
Proxy ARP is enabled
Local Proxy ARP is disabled
Security level is default
Split horizon is enabled
ICMP redirects are always sent
ICMP unreachables are always sent
ICMP mask replies are never sent
IP fast switching is enabled
IP fast switching on the same interface is disabled
IP Flow switching is disabled
IP CEF switching is disabled
IP Feature Fast switching turbo vector
IP multicast fast switching is enabled
IP multicast distributed fast switching is disabled
IP route-cache flags are Fast
Router Discovery is disabled
IP output packet accounting is disabled
IP access violation accounting is disabled
TCP/IP header compression is disabled
RTP/IP header compression is disabled
Policy routing is disabled
Network address translation is disabled
BGP Policy Mapping is disabled
WCCP Redirect outbound is disabled
WCCP Redirect inbound is disabled
WCCP Redirect exclude is disabled
Router#sh ip ro 20.0.0.1
Routing entry for 20.0.0.0/8
Known via "rip", distance 120, metric 1
Redistributing via rip
Last update from 100.100.100.2 on GigabitEthernet0/0, 00:00:08 ago
Routing Descriptor Blocks:
200.200.200.2, from 200.200.200.2, 00:00:27 ago, via GigabitEthernet0/1
Route metric is 1, traffic share count is 1
* 100.100.100.2, from 100.100.100.2, 00:00:08 ago, via GigabitEthernet0/0
Route metric is 1, traffic share count is 1
Router#p 20.0.0.1 so lo1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 20.0.0.1, timeout is 2 seconds:
Packet sent with a source address of 10.0.0.1
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms
Router#
*Mar 2 02:05:45.195: IP: tableid=0, s=10.0.0.1 (local),
d=20.0.0.1(GigabitEthernet0/0), routed via RIB
*Mar 2 02:05:45.195: IP: s=10.0.0.1 (local),
d=20.0.0.1(GigabitEthernet0/0), len 100, sending
*Mar 2 02:05:45.199: IP: tableid=0, s=20.0.0.1 (GigabitEthernet0/1), d=
10.0.0.1 (Loopback1), routed via RIB
*Mar 2 02:05:45.199: IP: s=20.0.0.1 (GigabitEthernet0/1), d=10.0.0.1, len
100, rcvd 4
*Mar 2 02:05:45.199: IP: tableid=0, s=10.0.0.1 (local),
d=20.0.0.1(GigabitEthernet0/1), routed via RIB
*Mar 2 02:05:45.199: IP: s=10.0.0.1 (local),
d=20.0.0.1(GigabitEthernet0/1), len 100, sending
*Mar 2 02:05:45.199: IP: tableid=0, s=20.0.0.1 (GigabitEthernet0/0), d=
10.0.0.1 (Loopback1), routed via RIB
*Mar 2 02:05:45.199: IP: s=20.0.0.1 (GigabitEthernet0/0), d=10.0.0.1, len
100, rcvd 4
*Mar 2 02:05:45.199: IP: tableid=0, s=10.0.0.1 (local),
d=20.0.0.1(GigabitEthernet0/0), routed via RIB
*Mar 2 02:05:45.199: IP: s=10.0.0.1 (local),
d=20.0.0.1(GigabitEthernet0/0), len 100, sending
*Mar 2 02:05:45.199: IP: tableid=0, s=20.0.0.1 (GigabitEthernet0/1), d=
10.0.0.1 (Loopback1), routed via RIB
*Mar 2 02:05:45.199: IP: s=20.0.0.1 (GigabitEthernet0/1), d=10.0.0.1, len
100, rcvd 4
*Mar 2 02:05:45.199: IP: tableid=0, s=10.0.0.1 (local),
d=20.0.0.1(GigabitEthernet0/1), routed via RIB
*Mar 2 02:05:45.199: IP: s=10.0.0.1 (local),
d=20.0.0.1(GigabitEthernet0/1), len 100, sending
*Mar 2 02:05:45.203: IP: tableid=0, s=20.0.0.1 (GigabitEthernet0/0), d=
10.0.0.1 (Loopback1), routed via RIB
*Mar 2 02:05:45.203: IP: s=20.0.0.1 (GigabitEthernet0/0), d=10.0.0.1, len
100, rcvd 4
*Mar 2 02:05:45.203: IP: tableid=0, s=10.0.0.1 (local),
d=20.0.0.1(GigabitEthernet0/0), routed via RIB
*Mar 2 02:05:45.203: IP: s=10.0.0.1 (local),
d=20.0.0.1(GigabitEthernet0/0), len 100, sending
*Mar 2 02:05:45.203: IP: tableid=0, s=20.0.0.1 (GigabitEthernet0/1), d=
10.0.0.1 (Loopback1), routed via RIB
*Mar 2 02:05:45.203: IP: s=20.0.0.1 (GigabitEthernet0/1), d=10.0.0.1, len
100, rcvd 4
Router#
This archive was generated by hypermail 2.1.4 : Sun Apr 01 2007 - 06:35:49 ART