From: andrew.waldwyn@xxxxxx
Date: Sun Sep 02 2001 - 05:51:04 GMT-3
Neil,
Try "multiring ip" under your token ring interfaces.
The problem is that the router is sending the IP packets without RIF. As the
catalyst is configured to do SRB between both VLANs it will drop all the
frames that don't carry the RIF.
Regards
Andy
-----Original Message-----
From: Neil Garcia Legada [mailto:nlegs@visto.com]
Sent: 02 September 2001 06:58
To: ccielab@groupstudy.com
Subject: 3920 Token Ring Switch Question
Hello Group,
Below are my configurations on cat3920. Routers are attached using ports as
per the CDP info. TrBRF's were defined with corresponding TrCRF's under it.
Ports are then assigned to TrCRF's accordingly.
When SRB bridging mode is used on TrCRF's, why is it that ping from r3 to r8
is unsuccessful ??? But when I changed the bridging mode to SRT I was able
to ping r8 from r3. Is there a way to make it work using SRB on TrCRF's ???
I'm kind of confuse about those bridging mode.
Appreciate any feedback.
Thanks,
Neil
*******
VTP VLAN Configuration
TrBRF/TrCRF ID Brdg/Rng Ports Local
State
TrBRF100 100 0x01
preferred
TrCRF10 10 auto yes
preferred
TrCRF11 11 auto yes
preferred
TrBRF200 200 0x01
preferred
TrCRF20 20 auto yes
preferred
trbrf-default 1005 0x0F
preferred
trcrf-default 1003 0xCCC yes
preferred
Local VLAN Port Configuration
Port Mode TrCRF TrBRF
3 Static TrCRF10 TrBRF100
8 Static TrCRF11 TrBRF100
13 Static TrCRF20 TrBRF200
CDP Neighbor Display
Box Local Prt Device ID Remote Prt Net Address Platform
1 3 r3 TokenRing0 10.0.0.3 cisco 2523
1 8 r8 TokenRing0 10.0.0.8 cisco 2500
1 13 r13 TokenRing1 10.0.0.13 cisco RP1
VLAN Parameter Configuration for TrBRF
VLAN ID 100
VLAN Name TrBRF100
State Operational
MTU 4472
Bridge Number 0x01
VLAN ID 200
VLAN Name TrBRF200
State Operational
MTU 4472
Bridge Number 0x01
VLAN Parameter Configuration for TrCRF
VLAN ID 10
VLAN Name TrCRF10
Parent VLAN TrBRF100
State Operational
Ring Number auto
Bridging Mode SRB
Max ARE Bridge Hop Count 7
Max STE Bridge Hop Count 7
Backup CRF No
Ports in TrCRF 3
VLAN ID 11
VLAN Name TrCRF11
Parent VLAN TrBRF100
State Operational
Ring Number auto
Bridging Mode SRB
Max ARE Bridge Hop Count 7
Max STE Bridge Hop Count 7
Backup CRF No
Ports in TrCRF 8
VLAN ID 20
VLAN Name TrCRF20
Parent VLAN TrBRF200
State Operational
Ring Number auto
Bridging Mode SRT
Max ARE Bridge Hop Count 7
Max STE Bridge Hop Count 7
Backup CRF No
Ports in TrCRF 13
hostname r3
!
!
ip subnet-zero
ip tcp synwait-time 5
no ip domain-lookup
!
interface TokenRing0
ip address 10.0.0.3 255.255.255.0
no ip directed-broadcast
ring-speed 16
!
hostname r8
!
!
ip subnet-zero
ip tcp synwait-time 5
no ip domain-lookup
!
interface TokenRing0
ip address 10.0.0.8 255.255.255.0
no ip directed-broadcast
ring-speed 16
end
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