Hey Tahir,
I threw together a quick lab to check out what might be happening and
I had no problems with the sub-interfaces... The DLCIs are different
but that doesnt matter right now. Here are the configurations. There's
nothing to them really!
I have had many issues with the frame-switch on GNS3 and rarely use it
because of what you are describing...
HTHs
r2#sh run
!
interface Serial1/0
no ip address
encapsulation frame-relay
serial restart-delay 0
!
interface Serial1/0.110 multipoint
ip address 100.100.110.2 255.255.255.0
snmp trap link-status
frame-relay map ip 100.100.110.5 101
frame-relay map ip 100.100.110.6 102 broadcast
!
r2#ping 100.100.110.5
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 100.100.110.5, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 4/10/20 ms
r2#ping 100.100.110.6
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 100.100.110.6, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 4/8/28 ms
r2#
_____________________________
r5#sh run
Building configuration...
!
interface Serial1/0
no ip address
encapsulation frame-relay
serial restart-delay 0
!
interface Serial1/0.110 multipoint
ip address 100.100.110.5 255.255.255.0
snmp trap link-status
frame-relay map ip 100.100.110.6 202
frame-relay map ip 100.100.110.2 202
!
r5#ping 100.100.110.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 100.100.110.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 4/5/12 ms
r5#ping 100.100.110.6
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 100.100.110.6, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 8/8/8 ms
r5#
_____________________________
r6#sh run
Building configuration...
interface Serial1/0
no ip address
encapsulation frame-relay
serial restart-delay 0
!
interface Serial1/0.110 multipoint
ip address 100.100.110.6 255.255.255.0
snmp trap link-status
frame-relay map ip 100.100.110.5 203
frame-relay map ip 100.100.110.2 203 broadcast
!
r6#ping 100.100.110.5
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 100.100.110.5, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 4/4/8 ms
r6#ping 100.100.110.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 100.100.110.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/4/8 ms
r6#
On Aug 13, 2009, at 11:36 AM, Tahir Bashir wrote:
Hi All,
I have designed a frame relay archetecture on GNS3. with the
following configuration,
R2
int s1/0
ip address 100.100.100.2 255.255.255.0
encap fr
no fr inv
fr map ip 100.100.100.4 204 broad
fr map ip 100.100.100.5 205 broad
fr map ip 100.100.100.6 206 broad
fr map ip 100.100.100.2 204
no shut
R4
int s1/0
ip address 100.100.100.4 255.255.255.0
encap fr
no fr inv
fr map ip 100.100.100.2 402 broad
fr map ip 100.100.100.5 402
fr map ip 100.100.100.6 402
fr map ip 100.100.100.4 402
no shut
R5
int s1/0
ip address 100.100.100.5 255.255.255.0
encap fr
no fr inv
fr map ip 100.100.100.2 502 broad
fr map ip 100.100.100.4 502
fr map ip 100.100.100.5 502
fr map ip 100.100.100.6 502
no shut
R6
int s1/0
ip address 100.100.100.6 255.255.255.0
encap fr
no fr inv
fr map ip 100.100.100.2 602 broad
fr map ip 100.100.100.4 602
fr map ip 100.100.100.5 602
fr map ip 100.100.100.6 602
no shut
------------------ For Blue Line in IPExpert Exercise
R2
int s1/0.110 multipoint
ip add 100.100.110.2 255.255.255.0
fr map ip 100.100.110.5 215 broad
fr map ip 100.100.110.6 216 broad
fr map ip 100.100.110.2 215
R5
int s1/0.110 multipoint
ip add 100.100.110.5 255.255.255.0
fr map ip 100.100.110.5 512
fr map ip 100.100.110.6 512
fr map ip 100.100.110.2 512 broad
R6
int s1/0.110 multipoint
ip add 100.100.110.6 255.255.255.0
fr map ip 100.100.110.5 612
fr map ip 100.100.110.6 612
fr map ip 100.100.110.2 612 broad
Note: R2 is Hub and remaining two are spokes. With Physical
interface its working pretty gud but with subinterface it is showing
that Subinterface is down. Advance thanks for help.
Regards,
Tahir
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