[c-nsp] Weird LAN problem between Cisco and Juniper

[Eric Kagan]

Quick stab, Duplex mis-match ?  Its burnt me before as its easy to overlook

Eric

> Hi,
> 
> Weird situation. Any ideas?
> 
> 145 - cisco 7603
> 146 - cisco 3550
> 148 - juniper M20
> 149 - juniper M20
> 
> 145 and 146 in one location, connected via several gigabit 
> etherchannels to 148 and 149 in second location. Switches in 
> between are catalysts 4000 series. No errors on catalyst 
> ports. No errors on router ports. No filters, no ACL's, no 
> shapers. Nothing of that kind.
> 
> In general, high delay and 10-90% packet loss from .145 to 
> .148 All other combinations work fine.
> 
> 
> br
> --
> Konstantin Barinov
> INFONET AS, Tallinn, Estonia
> 
> 
> 
> 
> 
> 
> network 1.2.3.144/29
> 
> 
> IP 1.2.3.145
> 
> akm-bb#ping 1.2.3.148
> 
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 1.2.3.148, timeout is 2 
> seconds: !..!! Success rate is 60 percent (3/5), round-trip 
> min/avg/max = 4/14/36 ms
> 
> akm-bb#ping 1.2.3.149
> 
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 1.2.3.149, timeout is 2 
> seconds: !!!!! Success rate is 100 percent (5/5), round-trip 
> min/avg/max = 1/2/4 ms
> 
> akm-bb#ping 1.2.3.146
> 
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 1.2.3.146, timeout is 2 
> seconds: !!!!! Success rate is 100 percent (5/5), round-trip 
> min/avg/max = 1/1/4 ms
> 
> 
> 
> IP 1.2.3.146
> 
> 
> akm-l3#ping 1.2.3.148
> 
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 1.2.3.148, timeout is 2 
> seconds: !!!!! Success rate is 100 percent (5/5), round-trip 
> min/avg/max = 1/1/1 ms
> 
> akm-l3#ping 1.2.3.149
> 
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 1.2.3.149, timeout is 2 
> seconds: !!!!! Success rate is 100 percent (5/5), round-trip 
> min/avg/max = 1/2/4 ms
> 
> akm-l3#ping 1.2.3.145
> 
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 1.2.3.145, timeout is 2 
> seconds: !!!!! Success rate is 100 percent (5/5), round-trip 
> min/avg/max = 1/1/1 ms
> 
> 
> 
> 
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net 
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/
>