04-27-2009 01:07 AM - edited 03-11-2019 08:24 AM
Pros,
In the Dual 6509 switch in VSS environmnet,
there are 2 contexts created and C1 context having 15 svi interfaces. One out of 15 is user vlan. When i configured the PC in any one of the vlan and pinging the gateway of the SVI from the pc getting more round trip time as below.
Reply from 172.20.10.1: bytes=32 time=54ms TTL=255
Reply from 172.20.10.1: bytes=32 time=44ms TTL=255
Reply from 172.20.10.1: bytes=32 time=47ms TTL=255
Reply from 172.20.10.1: bytes=32 time=56ms TTL=255
Reply from 172.20.10.1: bytes=32 time=44ms TTL=255
Reply from 172.20.10.1: bytes=32 time=36ms TTL=255
Reply from 172.20.10.1: bytes=32 time=46ms TTL=255
Reply from 172.20.10.1: bytes=32 time=35ms TTL=255
Reply from 172.20.10.1: bytes=32 time=36ms TTL=255
Reply from 172.20.10.1: bytes=32 time=33ms TTL=255
Reply from 172.20.10.1: bytes=32 time=33ms TTL=255
Reply from 172.20.10.1: bytes=32 time=20ms TTL=255
Reply from 172.20.10.1: bytes=32 time=30ms TTL=255
Reply from 172.20.10.1: bytes=32 time=30ms TTL=255
Reply from 172.20.10.1: bytes=32 time=16ms TTL=255
Reply from 172.20.10.1: bytes=32 time=30ms TTL=255
Reply from 172.20.10.1: bytes=32 time=16ms TTL=255
Reply from 172.20.10.1: bytes=32 time=33ms TTL=255
Reply from 172.20.10.1: bytes=32 time=16ms TTL=255
Reply from 172.20.10.1: bytes=32 time=29ms TTL=255
Reply from 172.20.10.1: bytes=32 time=24ms TTL=255
Reply from 172.20.10.1: bytes=32 time=27ms TTL=255
Reply from 172.20.10.1: bytes=32 time=24ms TTL=255
Reply from 172.20.10.1: bytes=32 time=20ms TTL=255
Reply from 172.20.10.1: bytes=32 time=17ms TTL=255
Reply from 172.20.10.1: bytes=32 time=14ms TTL=255
Reply from 172.20.10.1: bytes=32 time=15ms TTL=255
Reply from 172.20.10.1: bytes=32 time=10ms TTL=255
Reply from 172.20.10.1: bytes=32 time=9ms TTL=255
Reply from 172.20.10.1: bytes=32 time<1ms TTL=255
Reply from 172.20.10.1: bytes=32 time<1ms TTL=255
Reply from 172.20.10.1: bytes=32 time<1ms TTL=255
Reply from 172.20.10.1: bytes=32 time<1ms TTL=255
Reply from 172.20.10.1: bytes=32 time<1ms TTL=255
Reply from 172.20.10.1: bytes=32 time<1ms TTL=255
Reply from 172.20.10.1: bytes=32 time<1ms TTL=255
Only pinging bet vlans i am getting the delay.In the same vlan ping fins.
thanks
swami
05-04-2009 03:03 PM
On a 5.0.0af system, when the configured echo canceller tail length configport parameter 15 was changed from the factory default 64 ms to the max 128 ms value, echoes with tails or round trip delays longer than 64 ms were not cancelled adequately. In addition, these long echos resulted in other voice quality issues such as choppy voice and sudden variations in loudness. Restoring the configured echo tail back to 64 ms eliminated the choppy voice and echo canceller operation returned to normal.
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