Priscilla
Thanks for your input - tried all your suggestions but the issue still
remains that I get connection in all but netmeeting to a remote phone
(in that specific direction). There is something I am missing with the
way netmeeting gets relayed and it may be a gateway problem but I cannot
see it in this simple scanario. I understand the immediate router to be
the gateway and should correctly relay the NM session across the WAN to
the remote phone. eg NM12 should be able to call phone 22 - but does
not. NM12 can call phone 11 ok and NM12 can setup a session with NM23.
Both phones can successfully initiate a session with both the NMs. So
there is something subtle I just don't see.
I can ping all interfaces and hosts - see route table below.
I am replying directly as my responses seem to get lost for some reason
on the list.
Correction below ie my diagramatical error should have been FXS
interfaces not FXO.
I have not seen any issues raised in TAC regarding the IOS or NM - maybe
because no one would try to implement this in a serious deployment.
I would be interested to know if anyone else on the list has
successfully tried this experiment.
---------------------------------------------------------------------------------------------
Scenario as per sketch below
G===D G===D
/o\ /o\
--- Phone No=11 --- Phone No=22
\ /
FXS \ / FXS
------ 192.168.10.0 ------
( A )---------------( B )
------ ------
/ 192.168.168.80 \192.168.20.1
/ \
_____ _____
| | NetMeeting | | NetMeeting
|___| 12 |___| 23
/ / / /
---- ----
192.168.168.81 192.168.20.2
IOS = c2600-js-mz.122-7b.bin
FYI the route table seems ok to me - below
A#sho ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
.........................
Gateway of last resort is not set
192.168.10.0/24 is variably subnetted, 2 subnets, 2 masks
C 192.168.10.2/32 is directly connected, Serial0/0
C 192.168.10.0/30 is directly connected, Serial0/0
R 192.168.20.0/24 [120/1] via 192.168.10.2, 00:00:03, Serial0/0
C 192.168.168.0/24 is directly connected, Ethernet0/0
B#sho ip rou
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
...............................
Gateway of last resort is not set
192.168.10.0/24 is variably subnetted, 2 subnets, 2 masks
C 192.168.10.0/30 is directly connected, Serial0/1
C 192.168.10.1/32 is directly connected, Serial0/1
C 192.168.20.0/24 is directly connected, Ethernet0/0
R 192.168.168.0/24 [120/1] via 192.168.10.1, 00:00:12, Serial0/1
B#
Priscilla Oppenheimer wrote:
>
> Beautiful ASCII art! ;-)
>
> The thing that sticks out is this on Router A (and analgous thing on Router
> B):
>
> dial-peer voice 5 voip
> destination-pattern 22
> session target ipv4:192.168.20.1
> ip precedence 5
>
> Why are you using the Ethernet port as the target? Can you ping that
> Ethernet port from the NM PC? What does show ip route tell you?
>
> What happens if you use the serial port as the target? That would be more
> direct anyway.
>
> Try simplifying. For example remore rtp compression and see if that helps.
> Remove ip precedence stuff until you get it working.
>
> Is there something else you're not telling us? ;-) You have FXO in the
> drawing. Basic analog phones are foreign exchange OFFICE (FXO). (that is
> the phone itself). Such a phone would attach to an foreign exchange STATION
> (FXS) port on a router....
>
> Good luck!
>
> Priscilla
>
> At 01:18 PM 5/11/02, Edmund Woltynski wrote:
> >Hi all
> >
> >Firstly I have checked the archives & found nothing to help me solve
> >this problem which I thought I had setup a working scenario in my lab 2
> >years ago (getting rusty have'nt played with this stuff for a while).
> >
> >Scenario as per sketch below
> >
> > G===D G===D
> > /o\ /o\
> > --- Phone No=11 --- Phone No=22
> > \ /
> > FXO \ / FXO
> > ------ 192.168.10.0 ------
> > ( A )---------------( B )
> > ------ ------
> > / 192.168.168.80 \192.168.20.1
> > / \
> > _____ _____
> > | | NetMeeting | | NetMeeting
> > |___| 12 |___| 23
> > / / / /
> > ---- ----
> > 192.168.168.81 192.168.20.2
> >
> >
> > IOS = c2600-js-mz.122-7b.bin
> >
> >The problem I have is that I cannot get netmeeting 12 (192.168.168.81)
> >with gateway (in NM 12) set to router A to ring & converse with phone 22
> >(FXO) on router B but can with phone 11 (naturally) and vica versa ie
> >netmeeting 23 (192.168.20.1) cannot ring and setup a call with phone 11
> >but can with phone 22. Both phones (11 & 22) are able to initiate calls
> >and converse with either NMs 12 or 23 and phone to phone works. (BTW
> >using the latest version of netmeeting and have installed other IOS
> >(plus or better to eliminate possible buggy IOS)and NM12 to NM23 ok.
> >
> >Would anyone care to take a quick look and see what I have missed? -
> >much appreciated.
> >
> >-----------------------
> >A#sho run
> >Building configuration...
> >
> >Current configuration : 1605 bytes
> >!
> >version 12.2
> >service timestamps debug uptime
> >service timestamps log uptime
> >service password-encryption
> >!
> >hostname A
> >!
> >enable password 7 xxxxxx
> >!
> >memory-size iomem 10
> >ip subnet-zero
> >no ip domain-lookup
> >!
> >call rsvp-sync
> >
> >interface Ethernet0/0
> > ip address 192.168.168.80 255.255.255.0
> > half-duplex
> >!
> >interface Serial0/0
> > description connected to B
> > bandwidth 1536
> > ip address 192.168.10.1 255.255.255.252
> > encapsulation ppp
> > ip tcp header-compression iphc-format
> > no fair-queue
> > clockrate 4000000
> > ip rtp header-compression iphc-format
> > ip rtp reserve 16384 100 24
> >!
> >router rip
> > version 2
> > network 192.168.10.0
> > network 192.168.168.0
> > no auto-summary
> >!
> >ip classless
> >no ip http server
> >ip pim bidir-enable
> >
> >snmp-server community public RO
> >!
> >voice-port 1/0/0
> > cptone AU
> > description connected to Phone (11)
> >!
> >dial-peer cor custom
> >!
> >dial-peer voice 1 pots
> > destination-pattern 11
> > port 1/0/0
> >!
> >dial-peer voice 5 voip
> > destination-pattern 22
> > session target ipv4:192.168.20.1
> > ip precedence 5
> >!
> >dial-peer voice 81 voip
> > destination-pattern 12
> > session target ipv4:192.168.168.81
> > codec g711ulaw
> >!
> >dial-peer voice 82 voip
> > destination-pattern 23
> > session target ipv4:192.168.20.2
> > codec g711ulaw
> >!
> >line con 0
> > exec-timeout 0 0
> > password 7 xxxxx
> > login
> >line aux 0
> >line vty 0 4
> > password 7 xxxxxx
> > login
> >!
> >end
> >A#
> >
> >B#sho run
> >Building configuration...
> >
> >Current configuration : 1642 bytes
> >!
> >version 12.2
> >service timestamps debug uptime
> >service timestamps log uptime
> >service password-encryption
> >!
> >hostname B
> >!
> >enable password 7 xxxxx
> >!
> >memory-size iomem 10
> >ip subnet-zero
> >
> >no ip domain-lookup
> >!
> >call rsvp-sync
> >!
> >interface Ethernet0/0
> > ip address 192.168.20.1 255.255.255.0
> > half-duplex
> >!
> >interface Serial0/1
> > description connected to A
> > bandwidth 1536
> > ip address 192.168.10.2 255.255.255.252
> > encapsulation ppp
> > ip tcp header-compression iphc-format
> > fair-queue 64 256 1
> > ip rtp header-compression iphc-format
> > ip rtp reserve 16384 100 24
> >!
> >router rip
> > version 2
> > network 192.168.10.0
> > network 192.168.20.0
> > no auto-summary
> >!
> >ip classless
> >no ip http server
> >ip pim bidir-enable
> >!
> >!
> >snmp-server community public RO
> >!
> >voice-port 1/0/0
> > cptone AU
> > description connected to Phone_1 (22)
> >!
> >dial-peer cor custom
> >!
> >dial-peer voice 1 pots
> > destination-pattern 22
> > port 1/0/0
> >!
> >dial-peer voice 5 voip
> > destination-pattern 11
> > session target ipv4:192.168.168.80
> > ip precedence 5
> >!
> >dial-peer voice 81 voip
> > destination-pattern 12
> > session target ipv4:192.168.168.81
> > codec g711ulaw
> >!
> >dial-peer voice 82 voip
> > destination-pattern 23
> > session target ipv4:192.168.20.2
> > codec g711ulaw
> >!
> >!
> >line con 0
> > exec-timeout 0 0
> > password 7 xxxxx
> > login
> >line aux 0
> >line vty 0 4
> > password 7 xxxxxx
> > login
> >!
> >end
> >
> >B#
> >--
> >
> >------------------------------------------------------
> >Regards
> > Edmund Woltynski
> >
> >___________________________
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> >-------------------------------------------------
> ________________________
>
> Priscilla Oppenheimer
> http://www.priscilla.com
--
------------------------------------------------------
Regards
Edmund Woltynski
MCNE, LSE, MCP, PSE, CCDA, CCNA+CVoice etc...etc
Ph: 08 83711492
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